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Analysis (e.g., of output, state, or design)

Subclass of:

714 - Error detection/correction and fault detection/recovery

714100000 - DATA PROCESSING SYSTEM ERROR OR FAULT HANDLING

714001000 - Reliability and availability

714025000 - Fault locating (i.e., diagnosis or testing)

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application numberDescriptionNumber of patent applications / Date published
714038000 Of computer software 156
714039000 Monitor recognizes sequence of events (e.g., protocol or logic state analyzer) 68
Entries
DocumentTitleDate
20110179309Debugging a multiprocessor system that switches between a locked mode and a split mode - A data processing system 07-21-2011
20130031413METHODS AND SYSTEMS FOR PREBOOT DATA VERIFICATION - A method for validating the data defining an executable program prior to loading of the data for program execution is described. The method includes calculating a verification number for the data within a primary data storage area, the data defining an executable program, comparing the calculated verification number with a stored number, executing the program within the primary data storage area if the verification number matches the stored number, calculating a verification number for the data within a secondary data storage area, the data within the secondary data storage area defining the same executable program as that within the primary data storage area, if the verification number and the stored number do not match, comparing the calculated verification number for the data within the secondary data storage area with the stored number, causing the program to be executed if the verification number for the data within the secondary data storage area and the stored number match, and indicating a failure if the verification number for the data within the secondary data storage area and stored number do not match.01-31-2013
20120204063Non-transitory computer-readable recording medium in which a failure analyzing program is recorded, failure analyzing apparatus, and method for analyzing failure - Among the combinations of failure candidates which combinations are generated by a generator, one combination that minimizes a cost derived in a cost calculator is selected. For the selected combination of failure candidates, a function, which specifically provides a correlation between one or more failure factor and an error (or error rate) of each failure element is output. A correct failure factor is estimated on the basis of the function.08-09-2012
20110209005TIME-GAP DEFECT DETECTION APPARATUS AND METHOD - A programmatic time-gap defect correction apparatus and method corrects errors which may go undetected by a computer system. Buffer underruns or overruns, which may incur errors in data transfers, yet remain undetected and uncorrected in a computer system, are corrected by an error avoidance module in accordance with the invention. Bytes transferred to and from buffers, used by an I/O controllers to temporarily store data while being transferred between synchronous and asynchronous devices, are counted and an error condition is forced based on the count. If the count exceeds the capacity of the buffer, an error condition is forced, thereby reducing chances that errors are incurred into the data transfer.08-25-2011
20090204850APPARATUS AND A METHOD FOR REPORTING THE ERROR OF EACH LEVEL OF THE TUNNEL DATA PACKET IN A COMMUNICATION NETWORK - The invention provides methods and devices for reporting and parsing the errors of a packet based on IPSec protocol family in a communication network. Concretely, the reserved field in ICMP security failure message is used to denote the error type at the second level of the error in the packet. With the aid of the solution provided by the invention, it is possible to report the error types for a tunnel packet which has an error in detail. And the source termination device can ascertain the error types of a tunnel packet, so as to eliminate the error.08-13-2009
20110191635NOISY MONITOR DETECTION AND INTERMITTENT FAULT ISOLATION - A method of detecting and diagnosing system faults, includes detecting the noisy status of a monitor during operations and incorporating a quantified monitor uncertainty level to support fault isolation reasoning. A sequential probability ratio test is used to statistically test the noisy status of a monitor and Shannon's entropy theory is used to quantify the uncertainty levels of the monitor to support the use of the monitor values in fault isolation.08-04-2011
20080209274Device, System and Method for Predictive Failure Analysis - A large population of mass-produced devices (08-28-2008
20090193297Diagnostic context construction and comparison - A data processing system 1 has a processor core 07-30-2009
20100083046LOG MANAGEMENT METHOD AND APPARATUS, INFORMATION PROCESSING APPARATUS WITH LOG MANAGEMENT APPARATUS AND STORAGE MEDIUM - One system monitors components constituting an information apparatus and a program in execution. The system classifies logs outputted from the information processing apparatus for each monitor target, divides the monitor targets into categories of hardware and software, refers to relationship definition information indicating the combination of monitor targets in which an operational relationship exists between monitor targets belonging to different categories and specifies a combination indicated in the relationship definition information among monitor targets whose logs are classified. The system relates logs arranged for each monitor target on the basis of the specified combination and outputs the logs on a display device.04-01-2010
20130031414IDENTIFYING AN ERROR CAUSE WITHIN A DISPERSED STORAGE NETWORK - A method begins by a dispersed storage (DS) processing module selecting two or more correlated error messages of a plurality of error messages. The method continues with the DS processing module identifying two or more collection of records corresponding to the selected two or more correlated error messages such that a collection of records includes an event record including information regarding an event, a first record including information regarding a dispersed storage (DS) processing module processing an event request to produce a plurality of sub-event requests, and a plurality of records including information regarding a plurality of DS units processing the plurality of sub-event requests. The method continues with the DS processing module identifying a correlation cause of one or more errors corresponding to the two or more correlated error messages based on the two or more collections of records.01-31-2013
20110202800PROGNOSTIC ANALYSIS SYSTEM AND METHODS OF OPERATION - A prognostic analysis system and methods of operating the system are provided. In particular, a prognostic analysis system for the analysis of physical system health applicable to mechanical, electrical, chemical and optical systems and methods of operating the system are described herein.08-18-2011
20100077257METHODS FOR DISASTER RECOVERABILITY TESTING AND VALIDATION - Exemplary methods and computer recovery readiness evaluation process relate to a virtual recovery testing process for Disaster Recovery Plans (DRPs) that can be executed by technical generalists. As such, by implementing the DRP virtual testing process a technical generalist can be charged with the tasks of evaluating and validating documented DRP assumptions, plan execution steps, interoperability dependencies/requirements in addition to the availability of applications, application specific vaulted vital records, and hardware systems that are referenced within the recovery logic of a DRP. Further, the use of established DRP problem management processes to addresses anomalies & deficiencies can also be accomplished.03-25-2010
20100115342SYSTEM EVALUATION APPARATUS - An apparatus for evaluating a change of an existing system to a modified system by using a test system including a subsystem having the same configuration with either of the existing subsystem and the modified system includes: a memory for storing configuration information of the test system and test information; and a processor for executing a process including: activating the test system to execute test on the subsystem, collecting test information from the test system, and storing the test result information while the subsystem has the same configuration as the existing system; confirming the test system has been modified; and activating the test system to execute test on the subsystem, collecting test result information from the test system, and storing the test result information while the subsystem has the same configuration as the modified system.05-06-2010
20100115341COMPUTING DIAGNOSTIC EXPLANATIONS OF NETWORK FAULTS FROM MONITORING DATA - A system and method for network fault diagnosis in a network having network elements is presented. The method comprises creating a network causality model, generating Boolean expressions from the network causality model, converting the Boolean expressions into SAT sets, receiving network monitoring results, correlating these monitoring results with the SAT sets, and enumerating all possible diagnostic explanations of potential faults, properly annotated. Creating a network causality model can comprise creating, for each network element, an element-specific causality model, stitching together all network elements using the element-specific causality models and a network topology, retrieving monitoring state and propagation information, and generating the network causality model using the stitched together network elements and the monitoring state and propagation information. Stitching together network elements can comprise adding causes and implies dependency between appropriate network elements and/or adding and connecting reachable and not-reachable states. The network causality model can comprise network element states.05-06-2010
20100115339AUTOMATED LOAD MODEL - A method and system for testing a computer system is provided. In one implementation the method and system may include receiving a script footprint that includes dimension-effect values corresponding to the number of times a computer system dimension is affected by the script. Target information may also be received. The target information includes target dimension values corresponding to a desired number of times per time period each dimension should be affected. The method and system may determining the number of times to execute the scripts within the time period so as to minimize the difference between the actual number of times dimensions are affected and the target-dimension value per time period. The method and system may also execute the script on the computer system the determined number of times within the time period.05-06-2010
20130086428OPERATOR MESSAGE COMMANDS FOR TESTING A COUPLING FACILITY - A facility is provided to enable operator message commands from multiple, distinct sources to be provided to a coupling facility of a computing environment for processing. These commands are used, for instance, to perform actions on the coupling facility, and may be received from consoles coupled to the coupling facility, as well as logical partitions or other systems coupled thereto. Responsive to performing the commands, responses are returned to the initiators of the commands.04-04-2013
20130086427PORTABLE DEVICE, METHOD FOR DIAGNOSING SERVICE, AND DIAGNOSIS SYSTEM THEREOF - A portable device for diagnosing a diagnosis device, a method for providing a diagnosis service, and a diagnosis system thereof are provided. The portable device includes a setting information collecting unit which collects setting information relating to the diagnosis device which is output from the diagnosis device, a diagnosis device information generating unit which generates diagnosis device information based on the setting information, a communication unit which transmits the diagnosis device information to a server, and a diagnosis result output unit which, if diagnosis result information is received from the server via the communication unit, outputs the received diagnosis result information. Accordingly, an electronic apparatus without a network function may provide a diagnosis service remotely by using a portable device.04-04-2013
20130080836Detecting Data Corruption in Medical Binary Decision Diagrams Using Hashing Techniques - In particular embodiments, a method includes receiving from a remote system a binary decision diagram (BDD) representing data streams from sensors, an input, and a first hash code, transforming the received BDD to a second arithmetic function by performing the arithmetic transformation on the received BDD, calculating a second hash code from the second arithmetic function and the input, and if the first hash code equals the second hash code, then indicating that the received BDD is uncorrupted data, else indicating that the received BDD is corrupted data.03-28-2013
20090106595GATHERING INFORMATION FOR USE IN DIAGNOSTIC DATA DUMPING UPON FAILURE OCCURRENCE - Techniques for gathering information during runtime of a monitored system such that the information is available for facilitating diagnostics for the monitored system. In one embodiment, upon detection of a condition (such as an error condition) in the monitored system, a portion of the gathered information provides contextual information that facilitates gathering of diagnostic data that is relevant for the detected condition. This facilitates capturing of diagnostic data that is relevant for diagnosing the detected condition. The information gathered and stored during runtime may include information related to local variables, information related to tagged information (e.g., tagged functions/processes) executing in the monitored system, information related to potential impacts to the monitored system due to failures, metadata information, and other information.04-23-2009
20130042147FAULT ANALYSIS RULE EXTRACTION DEVICE, FAULT ANALYSIS RULE EXTRACTION METHOD AND STORAGE MEDIUM - The disclosed fault analysis rule extraction device includes: an event preprocessing section and a fault analysis rule extraction section. The event preprocessing section merges, with respect to event groups each of which is grouped every certain time period, event groups that can be presumed to occur from the same fault by a cluster analysis. The fault analysis rule extraction section extracts a fault analysis rule useful for a fault analysis by relating event logs to clusters. By the fault analysis rule extraction device of the above configuration, highly accurate fault analysis rule are automatically provided from the event logs of a system.02-14-2013
20130042148MALFUNCTION ANALYSIS APPARATUS, MALFUNCTION ANALYSIS METHOD, AND RECORDING MEDIUM - A malfunction analysis apparatus (02-14-2013
20090158095Method for testing a computer device and a computer system thereof - A method performed by a software module for testing a computer device. The method first selects the computer device from a device list, and links a driver of the computer device through a program interface, in which the program interface is provided by an operating system. Next, the method sets the computer device by the driver according to a function of the computer device, and records the execution time for the computer device to perform the corresponding function.06-18-2009
20100107014REAL TIME MONITORING OF COMPUTER FOR DETERMINING SPEED OF VARIOUS PROCESSES - A system is disclosed for identifying one or more causes of a computer executing one or more processes running slowly, the system includes: apparatus for detecting states of one or more threads of the one or more processes; apparatus for identifying one or more of said one or more processes that have one or more threads with wait states that occur above a threshold to indicate which modules within a process or processes is causing said computer to run slowly.04-29-2010
20100107013INPUT/OUTPUT WORKLOAD ANALYSIS METHOD AND SYSTEM FOR A STORAGE AREA NETWORK - A system and method of input/output (I/O) workload analysis of the components in a storage area network (SAN) is disclosed. In one embodiment, a method for analyzing I/O workloads of components in the SAN includes determining host bus adapter (HBA) to storage port oversubscription ratios and HBA to inter-switch link (ISL) oversubscription ratios in the SAN, selecting a subset of the components for monitoring based on the HBA to storage port oversubscription ratios and the HBA to ISL oversubscription ratios, continuously monitoring the subset of the components and storing I/O statistics of the subset of the components, and forecasting expected I/O workloads of the subset of the components based on current I/O workloads associated with the I/O statistics of the subset of the components and respective I/O workload threshold values of the subset of the components.04-29-2010
20100107012HIERARCHICAL DEBUG INFORMATION COLLECTION - Embodiments of the invention are generally related to retrieving debug data from a plurality of nodes of a parallel computer system. To retrieve debug data, a message may be broadcast from a service node of the system to each of the plurality of nodes via a first network, the message indicating a debug operation that is to be performed. A node of the plurality of nodes may transfer an interrupt signal to the rest of the plurality of nodes via a second network. Upon receiving the interrupt signal, the plurality of nodes may perform the debug operation comprising transferring the debug data to the service node via a third network.04-29-2010
20090119543Computer Implemented Life Form - The computer implemented life form (CILF) is a belief program which excludes all three of the classical logic paradigms, it can then (at least for discussion purposes) be considered derived from a form of “non-classical” logic. Certainly, even the mere idea that reality itself could possibly be nothing more than a simulation, could easily be considered a new (neo-classical) and useful form of non-classical thought. The programming methods used by the CILF are non-computational, meaning they will not generate any independent fact or data. Instead, the CILF programming method will merely check data to form a state of belief or doubt upon the input data from which a new and improved data store can be more correctly and effectively established.05-07-2009
20120166882METHODS AND TOOLS TO DEBUG COMPLEX MULTI-CORE, MULTI-SOCKET QPI BASED SYSTEM - Methods and apparatus relating to debugging complex multi-core and/or multi-socket systems are described. In one embodiment, a debug controller detects an event corresponding to a failure in a computing system and transmits data corresponding to the event to one of the other debug controllers in the system. Other embodiments are also disclosed and claimed.06-28-2012
20120166879Computer- readable recording medium, apparatus, and method for processing data - A method for processing data includes storing a type information of a configuration element of a first data process system in association with an identification information of the configuration element in a configuration information storage part, determining the type information corresponding to a message output from the first data process system, the message including the identification information, comparing a first message group including a plurality of first messages and a second message group including a plurality of second messages, the plural second messages being stored in association with the type information of a second data process system in a message group storage part, determining whether the plural first messages match the plural second messages, and determining whether the type information of the plural first messages match the type information of the plural second messages when the plural first messages do not match the plural second messages.06-28-2012
20130047035System and Method of Troubleshooting - Systems and methods are provided wherein raw event indicating notices from one or more regional monitoring systems are automatically combined with one or more links to troubleshooting information specific to the device and/or event which triggered the respective notice. A configuration database and associated trouble shooting database provide model identification and specific event related information for maintenance personnel.02-21-2013
20090307529System for Automatically Attaching RFID Tag Label and Method Thereof - A system for automatically attaching a radio frequency identification (RFID) tag label and a method thereof are provided. The system includes: an RFID printer for writing original tag information of an object to an RFID tag attached to one surface of the RFID tag label, printing a bar code on the other surface, and outputting the RFID tag label; an applicator for fixing in place the RFID tag label output by the RFID printer and attaching the RFID tag label to the object by applying predetermined pressure; a verification RFID reader including an antenna located near the applicator for reading the written original tag information to verify whether the tag information is correctly recognized from the RFID tag label attached to the object; a warning device for warning a user when the tag information is not correctly recognized from the RFID tag label attached to the object; and a control device for performing control to deliver the original tag information of the object from the exterior to the RFID printer, receiving the read tag information from the verification RFID reader, comparing the read tag information with the original tag information of the object to determine whether the read tag information is consistent with the original tag information, and controlling operation of the warning device based on the determination result, thereby preventing, in advance, errors such as erroneous information for an object distributing process from being generated due to recognition failure, errors and the like.12-10-2009
20110271146Anomaly Detecting for Database Systems - Methods, systems and computer program products for detecting anomalies for a database system are provided. A method may include extracting workload features from a query optimizer based on a query workload and generating feature models for the extracted workload features. The method may also include extracting instance features from the query optimizer based on a query instance. Instance feature values may be obtained. The method may further include applying a query instance to the workload feature models to produce a prediction value for each workload feature. Anomalies may be reported based on a comparison of each instance feature value with a corresponding prediction value. A system for detecting anomalies for a database system may include a query optimizer, a feature modeler and an anomaly detector.11-03-2011
20130073908MAINTENANCE DEVICE AND MAINTENANCE METHOD - According to one embodiment, a maintenance device includes a first interface, a memory, and a processor. The first interface is configured to acquire setting information read by a reading unit configured to read the apparatus information including apparatus identification information and error information from an information processing device. The memory is configured to store an apparatus information table including registration error information corresponding to the registration apparatus identification information. The processor is configured to analyze the apparatus information based on the apparatus information table.03-21-2013
20090271662STEADY STATE COMPUTER TESTING - A steady state value of each parameter in a set of one or more parameters of a computer system under test is defined, and acts related to the parameter are performed while the system under test is processing one or more test workloads. The acts can include comparing a working value of the parameter with the steady state value of the parameter, as well as operating on one or more workloads to bring the working value closer to a steady state value. This can include increasing or decreasing the working value of the parameter, such as by admitting one or more workloads to the system under test or cancelling one or more workloads from the system under test.10-29-2009
20090031169Self-Repairing Of Microprocessor Array Structures - A level of indirection is utilized when writing to a microprocessor array structure, thereby masking hard faults in the array structure. Among other benefits, this minimizes the use of a backward error recovery mechanism with its inherent delay for recovery. The indirection is used to effectively remove from use faulty portions of the array structure and substitute spare, functioning portions to perform the duties of the faulty portions. Thus, for example, faulty rows in microprocessor array structures are mapped out in favor of substitute, functioning rows.01-29-2009
20130067284Apparatus and Method for Low Overhead Correlation of Multi-Processor Trace Information - A method of coordinating trace information in a multiprocessor system includes receiving processor trace information from a set of processors. The processor trace information from each processor includes a processor identity and a coherence indicator that demarks selective shared memory transactions. Coherence manager trace information is generated for each of the processors. The coherence manager trace information for each processor includes trace metrics and a coherence indicator.03-14-2013
20130067283METHOD AND APPARATUS FOR DETECTING FAILURES AND REQUESTING FAILURE DIAGNOSES - A method for detecting failures and requesting failure diagnoses, includes receiving monitoring information from an resource object. Further, the method includes, if an error message is included in the received monitoring information, determining that a failure has been detected in the resource object to send a failure diagnosis request message to a failure diagnosis framework. Furthermore, the method includes receiving failure diagnosis result information from the failure diagnosis framework.03-14-2013
20130067282FAULT POSITION DETERMINING CIRCUIT, STORAGE DEVICE AND INFORMATION PROCESSING APPARATUS - A fault analyzing circuit has: a comparing circuit to compare fault data stored in a storage area with a fault being caused with data of an alternation register; and a position identifying circuit to identify an error bit position from data of a comparative result of the comparing circuit.03-14-2013
20110022894METHOD AND SYSTEM FOR DETERMINING AN INDIVIDUAL FAILURE RATE FOR THE EVALUATION OF AN INDIVIDUAL COMPLEX TECHNICAL OPERATING EQUIPMENT - A method and a system are disclosed for determining an individual failure rate for at least one individual technical operating equipment. For the calculation, a data processing unit receives not only the statistical data and characteristics specific for the type of the technical operating equipment, but also valid characteristic data for the individual technical operating equipment are used. Furthermore, additional characteristic values are used that are derived from information about influences by the site of use and the mode of operation of the individual technical operating equipment in an industrial plant. On the basis of the operating equipment type-specific data, an individualized average failure rate can be formed. Characteristic values associated with the individual operating equipment are used for forming a correcting factor. By linking the average failure rate to the correction factor, the individual failure rate is calculated.01-27-2011
20090006896Failure analysis apparatus - Relating with board numbers of the boards mounted with the logic circuits and mounted places on the boards and in relation to log information to be collected from the logic circuits, analysis information describing information to be processed when the log information is generated, information of a condition for which the log information is to be valid, and information of a condition for which the log information is to be invalid are defined for analyzing failures using the analysis information based on the logic circuits. Upon the realization of the failure analysis based on the logic circuits, the analysis information further describes information of the priority of the log information to realize a thorough analysis of critical failures.01-01-2009
20090006895Method for debugging reconfigurable architectures - A method is described for debugging reconfigurable hardware. In one example embodiment, debugging information is written for each configuration cycle into a memory which is then evaluated by a debugger.01-01-2009
20130166957SYSTEM ERROR ANALYSIS METHOD AND THE DEVICE USING THE SAME - A system error analysis device which includes a top unit and a storage unit coupled to the top module is mentioned. The storage unit is configured to store each of the input data, each of the output data and each of the bus data transmitted by the top unit. When receiving an interrupting signal, the system error analysis device outputs the input data, the output data and the bus data stored as soon as the interrupting signal is received and the input data, the output data and the bus data stored before the receiving of the interrupting signal. Accordingly, by comparing and analyzing the data output by system error analysis device, the system employing the system error analysis device is able to obtain the reason of the generation of the interrupting signal.06-27-2013
20130166958SOFTWARE BURNING SYSTEM AND BURNING CONTROL METHOD - A burning control method for burning software to at least one chip is provided, the method includes: controlling the at least one chip to enter a download mode when the at least one chip is startup; initializing the at least one chip when the chip enters the download mode; executing a burning process to burn software into the at least one chip when the chip is initialized; controlling the at least one chip to enter the test mode when the burning process is completed; testing whether the software has been burned into the at least one chip successfully when the at least one chip is in the test mode.06-27-2013
20090158094Method and System For Protocol Embedded Automated Test Control - A method and system of an embodiment may include designing two or more test cases for a network, creating one or more test records comprising data and configuration data for the two or more test cases, provisioning a user record on the network, running a first test case using the user record provisioned on the network, the first test case comprising, transmitting at least a first portion of the data to a network element being tested, and receiving a response from the network element based at least in part on the configuration data for the first test case contained in the data transmitted, running a second test case using the user record provisioned on the network, the second test case comprising, transmitting at least a second portion of the data to a network element being tested, and receiving a response from a network element based at least in part on configuration data for the second test case contained in the data transmitted.06-18-2009
20080294940METHOD AND DEVICE FOR MANAGING COMPUTING SYSTEM - In a computing system comprising plural processor modules possessing plural processors, plural I/O devices serving as an interface of communication between the plural processor modules and external equipment, and a connection mechanism possessing plural switching units to which the plural processor modules and the plural I/O devices are coupled, the plural switching units possessed by the connection mechanism are managed as a network. In particular, the management information which defines each of plural paths by a line of two or more switching units among the plural switching units is acquired, the path status on the plural paths is grasped by analyzing the acquired management information, and the path status information on the grasped path status is created and outputted.11-27-2008
20110283144ANALYSIS STACK FOR COMPLEX EVENT FLOWS - Methods, systems, and computer-readable media to analyze a CEP query are disclosed. A particular analysis module is configured to receive data associated with an event flow generated by execution of a CEP query. The data is received from a first analysis module (e.g., in a stack of analysis modules) or from the event flow via a software communication interface. The analysis module is also configured to execute an analysis operation on the data to generate a result. The analysis module can output the result to a second analysis module (e.g., in the stack of analysis modules) or to a user interface via the software communication interface.11-17-2011
20110283143EMBEDDED GUARD-SANITIZER - An apparatus includes a processor; a volatile, high-to-low working memory partition connected to the processor; a volatile, low-to-high working memory partition connected to the processor; a high-side, input/output section providing an interface to a high-side network or data bus, and configured to send messages to the high-to-low working memory, and to receive messages from the low-to-high working memory; a low-side, input/output section providing an interface to a low-side network or data bus, and configured to send messages to the low-to-high working memory, and to receive messages from the high-to-low working memory; a first non-volatile memory for storing a rule set binary image, whereby the processor controls the transfer of messages between the high-side input/output section and the low-side input/output section in accordance with the rule set; and a second non-volatile, memory for storing firmware for controlling executive functions of the apparatus.11-17-2011
20110283146RISK ELEMENT CONSOLIDATION - Apparatus and methods for reducing infrastructure failure rates. The apparatus and methods may involve reduction of data complexity. The reduction may be based on the use of nonlinear analysis to derive representative variables, which may be multi-valued. Multi-valued variables may be consolidated. A model may be developed based on the values and relationships of the derived variables. The model may be applied to assess the risk involved in a prospective infrastructure change.11-17-2011
20090150725METHOD FOR DEBUGGING RECONFIGURABLE ARCHITECTURES - A method for debugging reconfigurable hardware is described. According to this method, all necessary debug information is written in each configuration cycle into a memory, which is then analyzed by the debugger.06-11-2009
20120089874DIAGNOSING ENTITIES ASSOCIATED WITH SOFTWARE COMPONENTS - In one embodiment, a system includes a recording module adapted for recording event history information for one or more events associated with an entity, an evaluating module adapted for evaluating the event history information for each of the one or more events associated with the entity against a symptom rule, wherein the symptom rule defines a validity state of a diagnosis, an issuing module adapted for issuing a subscription to one or more subscribers, wherein the subscription enables the one or more subscribers to receive diagnosis information, and an indicating module adapted for indicating the validity state of the diagnosis to the subscriber, wherein the recording module and the evaluating module are independent such that the issuing module and the event history information are substantially decoupled. Other systems, methods, and computer program products are also described, according to various embodiments.04-12-2012
20110289355METHOD AND SYSTEM FOR DIAGNOSING A COMPUTER SYSTEM - A method includes determining a rule lookup key for a computer system to be diagnosed, retrieving a diagnostic rule set associated with the rule lookup key, and executing the diagnostic rule set on the computer system. The computer system may include a computer and peripherals arranged in a configuration, and the diagnostic rule set executed on the computer system may be based on changes in configuration or behavior attributes of the computer system.11-24-2011
20080294939DEBUGGING DEVICE AND METHOD USING THE LPC/PCI BUS - A debug device include a programmable logic device (11-27-2008
20090287961SYSTEMS AND METHODS FOR PROVIDING INTERACTIVE CUSTOMER SUPPORT - A system for providing device diagnostics includes a surface interface operatively linked and in communication with a processor. The surface interface includes a multi-touch interface to detect multiple simultaneous inputs and an object recognition interface to communicate with a device upon the device being placed on the surface interface. The system further includes a memory operatively linked and in communication with the processor, wherein the memory includes a system application configured to: recognize a customer device when the customer device is placed on the surface interface, conduct a diagnostic test to determine whether the device is operating without error, and perform a corrective action if the diagnostic test detects an error.11-19-2009
20100005340Test execution of user SQL in database server code - Systems, methods, and other embodiments associated with test execution of user SQL in server code are described. One example method includes producing a reproduced execution environment that reproduces a portion of an execution environment in which a user SQL runs. The example method may also include running the user SQL in the reproduced execution environment and capturing a statistic associated with performance of the user SQL while the user SQL runs in the reproduced execution environment. The method may conclude by storing, displaying, and/or providing a signal concerning the statistic.01-07-2010
20100115338Reliable Fault Resolution In A Cluster - A method and system for localizing and resolving a fault in a cluster environment. The cluster is configured with at least one multi-homed node, and at least one gateway for each network interface. Heartbeat messages are sent between peer nodes and the gateway in predefined periodic intervals. In the event of loss of a heartbeat message by any node or gateway, an ICMP echo is issued to each node and gateway in the cluster for each network interface. If neither a node loss not a network loss is validated in response to the ICMP echo, an application level ping is issued to determine if the fault associated with the absence of the heartbeat message is a transient error condition or an application software fault.05-06-2010
20100268992METHOD AND SYSTEM FOR PROTOCOL EMBEDDED AUTOMATED TEST CONTROL - A method and system of an embodiment may include executing a first test case using a user record provisioned on a network, the first test case comprising transmitting at least a first portion of the data to a network element being tested and receiving a response from the network element being tested in the first test case based at least in part on the configuration data for the first test case contained in the transmitted first portion of the data, executing a second test case using the user record provisioned on the network, the second test case comprising transmitting at least a second portion of the data to a network element being tested and receiving a response from the network element being tested in the second test case based at least in part on configuration data for the second test case contained in the transmitted second portion of the data.10-21-2010
20110264960APPARATUS AND METHOD FOR ANALYZING ERROR GENERATION IN MOBILE TERMINAL - An apparatus and a method for determining error generation in a mobile terminal are provided. More particularly, an apparatus and a method for analyzing and reporting an error of a device driver in real-time without a separate debugging apparatus in a mobile terminal are provided. The apparatus includes a dumper and an analyzer. When an error-generating device exists, the dumper retrieves error information used for analyzing an error generating cause from a register range of the error-generating device, and receives dumped information corresponding to the retrieving of the error information. The analyzer analyzes the dumped information to determine the error generating cause.10-27-2011
20130219223Method for Metric Ranking in Invariant Networks of Distributed Systems - A method for metric ranking in invariant networks includes, given an invariant network and a set of broken invariants, two ranking processes are used to determine and rank the anomaly scores of each monitoring metrics in large-scale systems. Operators can follow the rank to investigate the root-cause in problem investigation. In a first ranking process, given a node/metric, the method determines multiple scores by integrating information from immediate neighbors to decide the anomaly score for metric ranking. In a second ranking process, given a node/metric, an iteration process is used to recursively integrate the information from immediate neighbors at each round to determine its anomaly score for metric ranking.08-22-2013
20130219224JOB CONTINUATION MANAGEMENT APPARATUS, JOB CONTINUATION MANAGEMENT METHOD AND JOB CONTINUATION MANAGEMENT PROGRAM - A job continuation management apparatus according to an exemplary aspect of the invention includes, job execution units that carrying out jobs; a job management information memory unit storing job identification information, identification information on the job execution unit, job execution information and job continuing execution priority in unit of the job; and a job continuation management unit referring to the job management information memory unit when a failure occurs in the job execution units, and, about records having identification information of the job execution unit identical with identification information of the failed job execution, sends the job identification information and the job execution information to one of the job execution units except for the failed unit sequentially in a order starting from a job having highest the job continuing execution priority to lowest, and making the job execution unit of a receiving party perform continuation execution of the job.08-22-2013
20110173500APPARATUS AND METHOD FOR MANAGING NETWORK SYSTEM - An apparatus for managing a network system including a plurality of components, the apparatus includes a memory that stores component type data of each component of the plurality of components, component relation data including relation information indicating a pair of components related to each other in the network system and error history data including error information of respective error components in the plurality of components. The apparatus includes a processor that executes a procedure including extracting a pair of component type data as a relation class candidate on the basis of the component type data of a pair of error components indicated by the error information in the error history data, the pair of error components being indicated by the relation information.07-14-2011
20100125755Method to identify performance and capacity bottlenecks of complex systems - Systems and methods are described that analyze complex systems and identify potential performance bottlenecks that may affect capacity and response time. The bottlenecks are identified to resolve problems originating at a specific subsystem(s).05-20-2010
20110126053Revenue Assurances Proactive Testing Method and System - A computer readable storage medium stores a set of instructions executable by a processor. The set of instructions is operable to receive an image of a switch in a communications network, the image being a representation of an internal logic of the switch; simulate a plurality of communication sessions using the image; generate a plurality of simulated communication session records corresponding to the plurality of simulated communication sessions; and evaluate a performance of the switch by comparing the plurality of simulated communication session records to a set of expected communication session records, the expected set of communication set of records corresponding to the set of simulated communication sessions.05-26-2011
20090144586SYSTEM AND PROGRAM PRODUCTS FOR FACILITATING ACCESS TO STATUS AND MEASUREMENT DATA ASSOCIATED WITH INPUT/OUTPUT PROCESSING - Input/output processing is facilitated by readily enabling access to information associated with input/output processing. This information includes status information and measurement data provided by a control unit executing input/output commands. The status and measurement data are provided in a status control block identified in a transport control word, which is further used to specify a location in memory that includes the input/output commands to be executed.06-04-2009
20090187790Generation of trace elements within a data processing apparatus - A data processing apparatus and method for generating trace elements is provided. The data processing apparatus comprises a device for performing a sequence of operations including memory operations on data values having associated data addresses. For at least some of the memory operations the data address is determined relative to an architectural state value of an item of architectural state of the device. Trace logic is provided for receiving indications of the sequence of operations being performed by the device, and for generating from the indications a stream of trace elements. When for a memory operation the data address is determined to have been determined relative to an architectural state value of the item of the architectural state, the trace logic is operable dependent on that item of architectural state to omit at least one of a data address indication and a data value indication from the stream of trace elements generated in respect of that memory operation. A trace analysing apparatus can then be provided to reconstruct such omitted information based on a tracked architectural state value of the relevant item of architectural state.07-23-2009
20090282288DYNAMIC MODEL CHECKING WITH PROPERTY DRIVEN PRUNING TO DETECT RACE CONDITIONS - A system and method for dynamic data race detection for concurrent systems includes computing lockset information using a processor for different components of a concurrent system. A controlled execution of the system is performed where the controlled execution explores different interleavings of the concurrent components. The lockset information is used during the controlled execution to check whether a search subspace associated with a state in the execution is free of data races. A race-free search subspace is dynamically pruned to reduce resource usage.11-12-2009
20080209272Apparatus and Method For Sensing Faults of Application Programs in a Cdma System - The present invention generally relates to apparatus and method for sensing faults of application programs in a CDMA system, which comprises a shared memory comprising a plurality of fields, wherein each of the fields comprises a Heart Beat; a plurality of application programs corresponding to the plurality of fields in the shared memory on a one-to-one basis, each of which accesses to the corresponding field and increments the corresponding Heart Beat by 1 when a certain period (p1) elapses; and an operation and management processing unit which detects values of the Heart Beats of the plurality of fields in the shared memory when other certain period (p2) elapses, if all of the values of the Heart Beats equal “1,” then the operation and management processing unit initializes the values to “0” and performs normal operation, and if any of the values of the Heart Beats equals to “0,” then the operation and management processing unit recognizes a fault of an application program connected to the field, the value of Heart Beat which is “0,” and issues an alarm. According to the apparatus and method for sensing faults of application programs in a CDMA system of the present invention, the procedure of monitoring application programs can be simplified. This improves the efficiency of the system, compared to the conventional method, which executes the system commands repeatedly and monitors the operation status by detecting the returned value.08-28-2008
20090282287SUPPORTING APPARATUS FOR ANALYZING COMPUTER OPERATION STATUS - Processing time required from transmission of a request packet including a processing request from a client, until return of a reply packet in which internal information including an operation status of a plurality of servers is added to an execution result of processing corresponding to the processing request, obtained by the servers in cooperation with each other, is calculated by a function incorporated beforehand in the respective servers. Moreover, the internal information added to the reply packet is extracted and stored in an internal information DB in association with the calculated required time of the processing. Furthermore predetermined statistical processing is performed with respect to the internal information and the required time associated with the internal information stored in the internal information DB to analyze the operation status of the plurality of servers.11-12-2009
20090313505SYSTEM AND METHOD FOR DETECTING COMBINATIONS OF PERFOMANCE INDICATORS ASSOCIATED WITH A ROOT CAUSE - Methods and system are provided for detecting combinations of performance indicators that are associated with a root cause. The method comprises storing a plurality of error codes, each representative of at least one performance indicator, storing descriptive data associated with each of the plurality of error codes, storing a plurality of root causes, each associated with descriptive data that corresponds to the descriptive data of the plurality of error codes, identifying the error codes from the plurality of error codes that correspond to at least one of the plurality of root causes, and analyzing the error codes that correspond to at least one root cause to determine combinations of performance indicators that are associated with the root cause.12-17-2009
20090300422Analysis method and system using virtual sensors - A method for analyzing operations of a plurality of machines communicating with a server computer. The method may include establishing a plurality of virtual sensors corresponding to a plurality of engine systems of the respective plurality of machines. Each virtual sensor may be indicative of interrelationships between a plurality of input parameters and a plurality of output parameters of an engine system. The method may also include determining an operational accuracy of each virtual sensor, and calculating a score of each machine based on the operational accuracy of a virtual sensor of the machine. Further, the method may include ranking the plurality of machines based upon the score of each machine, scheduling maintenance for a certain number of machines based on the ranking of the plurality of machines, and providing automatic notification of the scheduled maintenance.12-03-2009
20110271147LOGICAL ENTITY FAULT ISOLATION IN NETWORK SYSTEMS MANAGEMENT - Various embodiments include one or more of systems, methods, and software to provide a status of a logical entity between entity models in network management systems, such as for fault isolation, in an efficient manner. Some embodiments, when receiving requests for a status of a logical entity while already in the process of determining the status in response to a previously received request, include adding an identifier of the subsequent requestor to a status requestor list and not responding to or taking any further action with regard to the request from the subsequent requestor until the status in response to the first received status request is determined.11-03-2011
20120297251METHOD AND COMPUTER PROGRAM PRODUCT FOR SYSTEM TUNING BASED ON PERFORMANCE MEASUREMENTS AND HISTORICAL PROBLEM DATA AND SYSTEM THEREOF - According to one embodiment, a test system includes a data collection module adapted for collecting data from a test system, a storage module adapted for storing the collected data in an organized format, the data including problem data, associated configuration information, associated performance information, and activity data, an analysis module adapted for analyzing the collected data to define at least two activity zones by correlating the problem data, the associated configuration information, the associated performance information, and the activity data, the at least two activity zones including a safe zone where the test system operates normally and a danger zone where the test system is susceptible to operational problems, and an adjustment module adapted for adjusting available resources and/or workload of the test system to cause the test system to operate in the danger zone thereby increasing a likelihood of fault occurrence for testing purposes.11-22-2012
20110209006MICROCOMPUTER - When a CPU executes a failure detection program, the CPU causes a program counter expected value register to store an expected value of an address which is stored in a program counter after a detection time passes from the start of execution of the failure detection program, and causes a detection time counter to start counting of the detection time. When the detection time counter finishes counting of the detection time, the first comparator outputs as a failure detection result a result of comparison between the address stored in the program counter and the expected value stored in the program counter expected value register.08-25-2011
20100287413ERROR DETECTION AND/OR CORRECTION THROUGH COORDINATED COMPUTATIONS - Techniques are generally described for addressing computation errors via coordinated computation on two computing platforms are disclosed. In some embodiments, one or more cuts may be taken of a computation to observe variables, and the observations may be analyzed to detect errors. Corrections may be created for the detected errors. The disclosed techniques may be employed in power and/or energy minimization/reduction, and debugging, among other goals. Other embodiments may be disclosed and/or claimed.11-11-2010
20080244317Program and apparatus for generating system test specifications - A computer program automatically producing a system test specification adapted for real-life use of a computer system, such that the system's most important processing functions can be tested. An update record storage unit stores update records each including: a process identifier of a data updating process, the name of a dataset updated by that process, and an update timestamp. A function test data storage unit stores data of function tests for checking whether each module realizing operation steps of an operation flow satisfies specified requirements. An operation flow extractor creates a flow descriptor enumerating the names of datasets updated by a data updating process in chronological order. From the stored function test data, a system test generator compiles a system test description for each operation flow, which specifies a series of function tests in the same order as the operation steps constituting each operation flow.10-02-2008
20080244316FAILURE TREND DETECTION AND CORRECTION IN A DATA STORAGE ARRAY - A plurality of data storage devices are arranged to form a multi-device array space, and a controller controls access to the array space. The controller is configured to index sets of operational performance data from the plurality of data storage devices into a unified data log. The controller further detects a failure trend of one or more data storage devices by analyzing at least one of a vertical block of data and a horizontal block of data in the unified data log. The vertical data block of data is associated with one of the data storage devices at a plurality of indices. The horizontal block of data is associated with a plurality of the data storage devices at an index.10-02-2008
20080276127Diagnostic and Trouble-Shooting Methods in a Wireless Control and Sensor Network - A method of performing diagnostics on a first hierarchical device operable within a building automation system is disclosed. The method includes compiling application code configured to control the first hierarchical device such that the application code includes a plurality of internal variables, providing a diagnostic module configured to monitor the plurality of internal variables, collecting internal variable diagnostic data related to the monitored plurality of internal variables, uploading the collected internal variable diagnostic data to a second hierarchical device, performing, at the second first hierarchical device, a layered diagnostic analysis on the internal variable diagnostic data, and identifying a first hierarchical device problem based on the analyzed internal variable diagnostic data.11-06-2008
20090265583Monitoring Device Having Multiple Data Communication Paths - A machine monitoring apparatus collects, processes and communicates machine data to be used for process control purposes and to be used in analyzing the machine performance. The apparatus includes one or more sensors that may be attached to or adjacent the machine for generating signals indicative of a performance parameter of the machine. An analog-to-digital converter converts the signals generated by the one or more sensors to bulk digital data corresponding to the sensed performance parameter. A processor receives and analyzes the bulk digital data and generates control digital data based on the bulk digital data. The control digital data may include one or more scalar values or status messages related to the operational performance of the machine as indicated by the bulk digital data. The apparatus includes a control data interface for providing access to the control digital data via a control data network, and a bulk data interface for providing access to the bulk digital data.10-22-2009
20090265582DATA PROCESSING SYSTEM AND METHOD OF DEBUGGING - A data processing system is provided. The data processing system comprises at least one processor (P) for processing data according to a set of instructions. The processors are coupled by a bus means (BM). Furthermore, a debugging means (DM) is provided to detect the occurrence of events and the corresponding point of time of the occurrence on the bus means (BM). If predefined events occur at, within and/or after/before predefined points in time, the debugging mode is switched on.10-22-2009
20100281304DEBUG MESSAGING WITH SELECTIVE TIMESTAMP CONTROL - A data processing system having debug message generation uses processor circuitry to perform a plurality of processor operations. Global control circuitry is coupled to the processor circuitry. Debug circuitry is coupled to the global control circuitry for generating debug messages corresponding to predetermined processor operations. Message generation logic provides debug messages which selectively include a timestamp field providing information as to when a debug message is generated. Debug control circuitry is coupled to the global control circuitry and the message generation logic and has a timestamp control register. For each of a plurality of debug message types, the timestamp control register selectively enables or disables appending a timestamp to the debug message for that type of debug message. Enable logic is coupled to the timestamp control register for enabling or disabling the timestamp control register based on detecting a selected event in the data processing system.11-04-2010
20100218048MIGRATORY HARDWARE DIAGNOSTIC TESTING - A method and system of migratory hardware diagnostic testing is disclosed. In one embodiment, a method includes performing a diagnostic test of a hardware component of a first partition of a server using a first test module embedded in the first partition in response to a receipt of a test command, and storing context data associated with the diagnostic test of the hardware component in a memory associated with the hardware component, where the context data indicates a current state of the diagnostic test of the hardware component. Further, the method includes analyzing the context data upon a receipt of an instruction for a migration of the hardware component to a second partition of the server, and continuing the diagnostic test of the hardware component using a second test module embedded in the second partition based on the context data if the migration is performed.08-26-2010
20080270835Methods and Apparatus for Displaying Test Results and Alerts - In one embodiment, a sequence of test data items is parsed to identify test results, alerts, and context information that indicates how the test results and alerts correspond to a test execution sequence. The test results and at least some of the context information is displayed in a first display area of a graphical user interface (GUI); and the alerts and at least some of the context information is displayed in a second display area of the GUI. Other embodiments are also disclosed.10-30-2008
20080270836STATE DISCOVERY AUTOMATON FOR DYNAMIC WEB APPLICATIONS - An automaton that detects possible states and transitions that can possibly exist in a web based application is provided. The automaton may comprise a plugin system, an HTTP processor, an application handler, a page handler, an input handler, journals, a coverage analyzer, an expression language interpreter, and a data validator.10-30-2008
20120198281VALIDATION RULES FOR PROCESS VALIDATION - A method for process validation includes receiving from a human user a validation rule. The rule specifies a pattern occurring in a process running on a computerized system, an expected outcome of the pattern, a success action to perform when the expected outcome is realized, and a failure action to perform when the expected outcome is not realized. Upon receiving events corresponding to inputs and outputs of the process running on the computerized system, the validation rule is applied to the events so as to engender one or more of the success and failure actions. A validity of the process is assessed responsively to the one or more of the success and failure actions.08-02-2012
20090187789METHOD AND APPARATUS FOR HANDLING SHARED HARDWARE AND SOFTWARE DEBUG RESOURCE EVENTS IN A DATA PROCESSING SYSTEM - For some data processing systems, it is important to be able to handle overlapping debug events generated by a shared set of debug resources which are trying to cause both exception processing and debug mode entry. However, exception processing and debug mode entry generally have conflicting requirements. In one embodiment, exception priority processing is initially given to the software debug event. Normal state saving is performed and the first instruction of the debug exception handler is fetched, but not executed. Priority is then switched from the software debug event to the hardware debug event and a debug halted state is entered. Once processing of the hardware debug event has been completed, priority is returned to the software debug event and the debug exception handler is executed.07-23-2009
20090049340System analysis device and computer readable storage medium storing system analysis program - A system analysis device for analyzing a state of operation of a computer system includes an analysis processing section, an analysis program storage section, a diagnostic processing section and a condition definition information storage section. The analysis processing section analyzes analysis subject data outputted from the analysis subject computer system. The analysis program storage section stores plural analysis programs, which perform analysis processing on the analysis subject data. The diagnostic processing section diagnoses a state of operation of the computer system from analysis results. The condition definition information storage section stores condition definition information, which defines conditions to be determination standards of the diagnostic processing. The analysis programs and the condition definition information are updated respectively separately from one another.02-19-2009
20090249124VERIFICATION APPARATUS, VERIFICATION METHOD, AND COMPUTER PRODUCT - A main step is retrieved from an operations process subject to verification. Mapping information is referenced to further retrieve a preventive measure against an error expected upon execution of the main step. Based on the order in which the preventive measure is executed within the operations process, it is determined whether the preventive measure has been incorporated into the operations process at a correct position and a result of the determination is output.10-01-2009
20090249123Method and System for Autonomic Verification of HDL Models Using Real-Time Statistical Analysis and Layered Feedback Stages - Real-time statistical analysis is used to perform autonomic self-healing within the context of a 3-tier regression system for analysis of a computer system design component. Throughout the system, there are mechanisms for implementing self-healing if breakage is detected. The regression layer with the highest throughput is maintained in a much cleaner state than otherwise, thereby creating a more efficient environment for identifying and removing defects in the design.10-01-2009
20110225459GENERATING A DEBUGGABLE DUMP FILE FOR A VIRTUAL MACHINE - Cloud computing platforms having computer-readable media that perform methods to generate debuggable dump files are provided. The cloud computing platform includes at least one server having a host virtual machine, guest virtual machine, and hypervisor. The host virtual machine receives a command to generate the debuggable dump file. In response, it suspends all virtual processors executing on the guest virtual machine. The memory pages of the suspended virtual machine are written into a debuggable dump file, and the suspended processors are resumed at an appropriate time.09-15-2011
20090083581Methods and Systems for Managing Response Data in an Information Handling System - Methods for managing response data within an information handling system (IHS), where the method includes the step of obtaining response data from at least one component in the IHS, the response data generated in response to receiving a command. The method also includes accumulating the response data from the at least one component to compute a total response time.03-26-2009
20110145647TROUBLE ANALYSIS APPARATUS - A trouble analysis apparatus is provided which includes: a system topology storing portion; an error detection information receiving portion which collects error detection information; and a trouble source determination portion which, based on both the error detection information collected by the error detection information receiving portion and system topology information stored in the system topology information storing portion, determines a trouble source functional element that is presumed as a functional element which is a source of a system trouble. Links included in the system topology information have information indicating spreading directions of error operations between the functional elements when trouble occurs. When the trouble source detection portion receives the error detection information with regard to multiple error functional elements, the trouble source determination portion sequentially selects one of the multiple error functional elements. The trouble source detection portion determines whether or not directions from the selected error functional element to other error functional elements conform to the spreading directions included in the system topology information. The trouble source determination portion determines the selected error functional element as the trouble source functional element when the spreading directions are conformable.06-16-2011
20110145648Method and Apparatus for Power Diagnostics - A diagnostic tool (06-16-2011
20110145646Use of statistical representations of traffic flow in a data processing system - An apparatus and method are provided for performing verification tests for a design of a data processing system. The apparatus comprises a system under verification representing at least part of the design of the data processing system, and a transactor for connecting to an interface of the system under verification, and for generating signals for input to the system under verification via the interface during performance of the verification tests. Profile storage stores a profile providing a statistical representation of desired traffic flow at the interface, the statistical representation providing statistical information for a plurality of traffic attributes and also identifying at least one dependency between such traffic attributes. The transactor then references the profile in order to determine the signals to be generated, such that the signals generated take account of the specified dependencies identified in the profile. Such a mechanism enables the transactor to more realistically replicate the traffic flow that will be observed in the real system. Another aspect to the present invention provides a mechanism for generating such profiles.06-16-2011
20090063902Preliminary Classification of Events to Facilitate Cause-Based Analysis - The present invention provides methods and systems for performing preliminary cause-based classification of events in a computer or networked computer system. Methods are provided in which, based on an event message, cause-based preliminary classification of an associated event is performed. The result of the preliminary classification is used to facilitate subsequent cause-based analysis, such as root cause analysis, relating to the event. Methods are provided in which preliminary classification is performed using a database including a catalog associating event messages with appropriate preliminary classifications of events associated with the event messages.03-05-2009
20090083582IMAGE FORMING APPARATUS AND METHOD OF MANAGING JOBS THEREOF - An image forming apparatus and a job management method thereof are provided. The job management method includes detecting an occurrence of an error during a processing of a job, and upon detecting the occurrence of the error, providing information about one or more jobs related with the error from among a list of jobs. As a result, it is possible to manage the jobs related with an error and more convenient job management is provided.03-26-2009
20110231707METHOD AND SYSTEM FOR PLATFORM INDEPENDENT FAULT MANAGEMENT - A method for fault management. The method includes generating, in firmware of a computer system, a physical resource inventory (PRI) of a plurality of hardware components of the computer system, wherein the PRI defines a hierarchy of the hardware components. The method further includes traversing, by an enumerator executing in a fault manager, the PRI to generate a topology of the plurality of hardware components. The topology is used for fault management of the computer system.09-22-2011
20110225458GENERATING A DEBUGGABLE DUMP FILE FOR AN OPERATING SYSTEM KERNEL AND HYPERVISOR - Cloud computing platforms having computer-readable media that perform methods to generate debuggable dump files are provided. The cloud computing platform includes server devices running operating system kernels. Optionally, the server may include a hypervisor. The operating system kernel receives a command to generate a debuggable dump file. In response, the operating system estimates memory requires to store the requested memory pages, allocates an appropriately sized buffer, and freezes computation. A hypervisor is present and if its memory pages are requested, the hypervisor freezes its computation. The hypervisor stores its memory pages in the buffer and resumes computation. The operating system kernel stores its pages to the buffer in priority order and resumes its computation. The contents of the buffer are written out as a debuggable dump file.09-15-2011
20090106596USER-TRIGGERED DIAGNOSTIC DATA GATHERING - An infrastructure is provided for gathering diagnostic data that is relevant to an error or other conditions detected in a monitored system. A diagnosability framework is provided that automates the gathering of relevant diagnostic data upon occurrence of the condition in the monitored system. In one embodiment, context data is determined for the condition detected in the monitored system. A rule-based engine is provided that is configured to automatically determine one or more actions to be performed for the condition detected in the monitored system based on the determined context data. The actions may include performing tasks that gather diagnostic data that is relevant to the detected condition, store the gathered diagnostic data in a repository, recommend one or more diagnostic actions to a user, and other diagnostic related actions.04-23-2009
20100180157Remote hardware inspection system and method - The invention discloses a remote hardware inspection system, including a remote monitor station and a client server. The monitor station includes a hardware inspection unit and a first network interface. The hardware inspection unit is for generating a hardware inspection command which is transmitted to the server by the first network interface. The server includes a second network interface, an input/output unit, and a managing/controlling unit. The input/output unit has an inspection program. The second network interface receives the hardware inspection command and transmits it to the managing/controlling unit. In response to the hardware inspection command, the managing/controlling unit generates and transmits a trigger signal to the input/output unit to implement the inspection program. Thereby, the inspection program writes data into the target hardware of the server according to the content of the hardware inspection command.07-15-2010
20090254777Detector of Abnormal Destruction of Memory Sectors - The invention relates to an integrated circuit comprising at least one microprocessor [10-08-2009
20100275064CONFIGURATION VALIDATION SYSTEM FOR COMPUTER CLUSTERS - A method of validating a configuration of a computer clusters includes transmitting a first neighbor identification to a first flexible service processor (FSP) arranged in the first computer cluster and a second neighbor identification to a second FSP arranged in the second computer cluster, connecting a first end of a cable to a first transceiver arranged in the first cluster and connecting a second end of the cable to a second transceiver arranged in the second cluster. The first neighbor identification is passed from the first transceiver to the second computer cluster and the second neighbor identification is passed from the second transceiver toward the first computer cluster. The first neighbor identification is compared with a desired first neighbor identification to establish a first comparison result, and the second neighbor identification is compared with a desired second neighbor identification to establish a second comparison result and a notice is generated.10-28-2010
20090183030EPISODIC CAUSE ANALYSIS - Managing a root cause analysis and outputting an identified root cause, for use in a system comprising a plurality of inter-related elements wherein at least some of the elements experience one or more anomalous states, comprising receiving initial indicators of system element states symptomatic of anomalous element operation, selecting an episode expiration time based on the received initial indicators, receiving additional such indicators, correlating the indicators received prior to the episode expiration time based on pre-defined relationships between the system elements, generating possible causes of the anomalous element states consistent with the received indicators and the pre-defined relationships, asserting possible causes as actual causes, identifying an actual cause as a root cause, and outputting the root cause.07-16-2009
20100162048APPARATUS AND METHOD FOR AUTOMATIC SELF-DIAGNOSIS USING UNIVERSAL SERIAL BUS PORT IN DIGITAL EQUIPMENT - An apparatus and a method for automatically performing self-diagnosis are provided. In the method, when an external storage unit is connected, files stored in the external storage unit are searched for. When a diagnosis file for self diagnosis is stored in the external storage unit, information of at least one item required by the diagnosis file is collected. The collected information is stored as an output file in the external storage unit.06-24-2010
20130219225MANAGEMENT SYSTEM FOR OUTPUTTING INFORMATION DENOTING RECOVERY METHOD CORRESPONDING TO ROOT CAUSE OF FAILURE - A management server includes a meta rule for identifying an event to be a root cause and a failure recovery method that corresponds to the meta rule for an event capable of occurring in a plurality of node apparatuses, and also displays a cause event to be a root cause of an event detected by the management server, and a method for recovering from this cause event.08-22-2013
20080307263SYSTEMS AND MEDIA FOR GENERATING A REGRESSION SUITE DATABASE - Systems and media for generating an improved regression suite by applying harvesting models and/or regression algorithms to tests utilized in verification of a system are disclosed. In one embodiment, a regression manager responsive to user input may be coupled to a harvester module, an analysis module, and a management module. In one embodiment, the harvester module is responsive to harvesting models defined in a modeling language, where the harvester module is coupled to a regression suite database. In another embodiment, a regression methodology may be defined from a collection of regression strategies and each regression strategy may be defined from a combination of harvesting models and/or regression algorithms. A regression generator to receive tests, to apply one or more regression strategies to the tests, to provide reports, and to allow user control may also be provided.12-11-2008
20080307262System for Validating Data for Processing and Incorporation in a Report - A system automates the process of isolating incorrect, corrupt, or sensitive data and skipping duplicate records caused by violations of application business rules during report generation, for example. A data processor provides data for processing for incorporation in a report by, processing received report data to identify data objects in the report data likely to generate errors in preparation of a report based on the report data and providing validated report data by collating received report data and omitting identified data objects likely to generate errors. The data processor communicates the validated report data for storage in a repository for use in preparation of a report. An error data processor provides information indicating identified data objects in the report data likely to generate errors and a corresponding reason an individual data object is likely to cause an error.12-11-2008
20100153783Method and apparatus for system analysis - A system analyzing method for analyzing a transaction system includes firstly extracting a transaction, which is processed by a plurality of servers cooperating with each other in the transaction system, from a message log in which parameters of messages have been subjected to name merge, by using a transaction model which is generated from a set of messages transmitted between the servers during processing of the transaction, and secondly extracting a transaction from a message log from which no transaction is extracted in the firstly extracting, by using a value of a parameter inherited between the servers among parameters in messages included in the message log.06-17-2010
20090089619AUTOMATIC DETECTION OF FUNCTIONAL DEFECTS AND PERFORMANCE BOTTLENECKS IN NETWORK DEVICES - A network device, such as a router or switch, has a CPU and a memory operable to receive, store and output computer code. The code includes device configuration files, traffic pattern files, and standard-behavior-output template files adapted for detecting network device functional defects and bottlenecks. The device is operable in a testing mode to act as either a Device Testing Doctor (DTD) or a Device Under Test (DUT), in which it loads into or accepts from a related, interconnected and similarly configured and operable network device selected ones of the device configurations, transmits to or receives from the other device selected ones of the input traffic patterns, compares its own output or that of the other device in response to the input traffic pattern with selected ones of the standard-behavior-output templates, and detects a network device defect or bottleneck in itself or in the other device based on the comparison.04-02-2009
20100162047SYSTEM, METHOD AND COMPUTER PROGRAM PRODUCT FOR TESTING A BOOT IMAGE - According to one embodiment of the present disclosure, a method for testing a boot image is disclosed. The method comprises creating a test boot image for a first logical partition, creating a second logical partition wherein the second logical partition is a duplicate of the first logical partition, initiating a boot sequence for the second logical partition using the test boot image, and returning a result of the boot sequence to a requestor.06-24-2010
20120246516METHOD AND DEVICE FOR TESTING THE CONFIGURATION OF A COMPUTER SYSTEM - An exemplary system and method for testing the configuration of a computer system includes detecting a function which is executed by the computer system; and testing whether the detected function contravenes a configuration rule of the computer system.09-27-2012
20100169714TEST APPARATUS AND RECORDING MEDIUM - Provided is a test apparatus that tests a device under test, comprising a plurality of test modules that test the device under test; and a control section that controls the plurality of test modules. Each test module includes a test section that tests the device under test; and a self-diagnostic section that diagnoses operation of the test section based on diagnostic data supplied thereto. The control section supplies the diagnostic data in parallel to self-diagnostic sections for which the same type of diagnostic data is set, and supplies the diagnostic data sequentially to self-diagnostic sections for which a different type of diagnostic data is set.07-01-2010
20100262865SYSTEM AND METHOD FOR DIAGNOSING HOME APPLIANCE - A system and method for diagnosing a home appliance are disclosed. The home appliance outputs product information as a predetermined sound signal, and transmits the sound signal to a service center of a remote site over a communication network, such that a service technician of the service center can easily check a current status of the home appliance. The diagnostic system effectively detects data using multiple synchronous signals having a time difference, quickly diagnoses a current status or fault of the home appliance, provides a service for more correctly diagnosing a faulty operation of the home appliance, and increases user satisfaction and reliability.10-14-2010
20090172473SYSTEM AND METHOD FOR SYNCHRONIZING TEST RUNS ON SEPARATE SYSTEMS - A system and method provide for test automation of a process running on separated systems. The systems may be separated physically and/or logically separated. The system and method provide that all information required for a test run are made available on one system. In an embodiment, a central component is used to provide all required status and result information regarding the test status of every system in the test landscape. In further embodiment, an extension of the capabilities of existing test tools is made so that the test tool communicates with the central component via an appropriate protocol.07-02-2009
20100192019VIRTUAL LIBRARY APPARATUS AND METHOD FOR DIAGNOSING PHYSICAL DRIVE - A virtual library apparatus includes an exclusive control section that exclusively secures a logical drive and a physical drive according to an instruction from a host at a time of an occurrence of an error in the physical drive and a diagnostic section that performs a diagnostic process on the exclusively secured physical drive through the exclusively secured logical drive. The exclusive control section releases the exclusively secured logical and physical drives after the diagnostic section completes the diagnostic process for the physical drive.07-29-2010
20100192018Methods of Measuring Consistability of a Distributed Storage System - A method for measuring consistability of a distributed storage system is disclosed. The method includes determining at least one consistency level that the distributed storage system can provide. A plurality of failure classes can be determined for the distributed storage system. A probability of the distributed storage system to be in each of the plurality of failure classes can be measured. Each failure class can be mapped to the at least one consistency level. The probability of each failure class for each consistency level can be summed to determine an expected portion of time that the distributed storage system provides each consistency level.07-29-2010
20100153780TECHNIQUES FOR GENERATING A REUSABLE TEST SCRIPT FOR A MULTIPLE USER PERFORMANCE TEST - Techniques for generating a reusable script for a multiple user performance test of a network application. A description of a multiple user performance test is generated based upon a group of data describing a functional test and a group of data describing commands of a performance test tool. In one embodiment, a functional test tool generates signals based on the description of a multiple user performance test to simulate to a performance test tool multiple users' interactions with a user interface of the performance test tool to manage a performance test session to test the network application. In another embodiment, the functional test tool generates signals simulating user interactions with a user interface of the network application during the performance test session.06-17-2010
20100229045Computer Method and Apparatus Providing Invocation of Device-Specific Application Through a Generic HTTP Link - A computer method and system processes and handles hypertext-type links by converting client device-independent URLs to respective device-dependent URLs. This enables invocation of device-specific applications through a generic HTTP link. The HTTP link may be embedded in an email, SMS, web-page or similar communication documents or files.09-09-2010
20100153782System and Method for Effort Estimation - Methods and systems are provided to estimate the time to implement a regression test. A productivity table may be defined and stored in a host computer system, where the productivity table indicates the time expected to perform a plurality of automation script types at a plurality of complexity levels. The host computer system may receive a list of test flows to be used in conducting a regression test and a selection of a complexity level for each of the listed test flows. Complexity levels may be defined by, and a complexity level for a test flow may be selected based upon a variety of system- and test-related criteria. The total implementation time may be determined based on the complexity levels assigned to test flows in the regression test, the type of scripts used, and the productivity table.06-17-2010
20100229044Diagnostic Test Sequence Optimization Method and Apparatus - A method for optimizing a test sequence to diagnose a failure mode of a device, such as a vehicle, is provided. At least one symptom of a fault of the device is received, and a plurality of taxonomies is generated. The taxonomies include a device component taxonomy, a fault taxonomy, and a diagnostic taxonomy, and each taxonomy has a plurality of nodes. At least one diagnostic test sequence, based on the symptom and the taxonomies, is generated, costs associated with the diagnostic test sequence are determined, and a cost optimal test sequence, based on the costs and the diagnostic test sequence, is generated.09-09-2010
20100235685DEVICE AND METHOD FOR GENERATING TEST CASE AND COMPUTER-READABLE RECORDING MEDIUM - When the system state transition diagram creator sequentially generates transition events based on a system operation specification to create a system state transition diagram, the creator restricts the transition event to be next executed by a scenario state transition diagram restricting the order of execution of the transition events, and test case generator generates a test case based on thus created system state transition diagram.09-16-2010
20100146339COVER LOVER - The present invention relates to a method, device, and system for managing verification of configurable hardware and software. The solution according to the present invention solves this by applying a matrix-like method of handling test and verification parameter combinations and interacting with a user using a browser like interface for simple and fast selection of coverage.06-10-2010
20100235684STORAGE SYSTEM, ADAPTER, AND DIAGNOSIS PROCESSING METHOD - A storage system for controlling a storage device to store data from a host system, the storage system includes a storage controller for controlling to write to or read data from the storage device, a memory for temporally storing data during performing a data relay processing between the host system and the storage device, and a relay device for performing the data relay processing using the memory. The relay device includes a plurality of processing circuits for performing the data relay processing cooperatively and a self-diagnosis controller for controlling each of the processing circuits to start independently a self-diagnosis processing upon completion of the processing by each of the processing circuit.09-16-2010
20100138698REASONING ARCHITECTURE - An inference engine is described with improved speed in evaluating queries posed to a data structure based on an ontology with a declarative set of rules. The inference engine comprises: rule rewriters, a rule compiler, and an operator net. The operator net comprises a graph with operators as nodes and with connections between the operators as edges of the graph. The operators serve for: retrieving facts; matching facts and variables in rules; expressing rule bodies and rule heads; expressing negations; and expressing logical AND operations between rule bodies. The operator net is a very general and versatile representation of the rules and queries. It also lends itself easily to multithreading and debugging.06-03-2010
20100138697REGRESSION TESTING OF A PRINTING SYSTEM - A standard input for a regression test is processed in a printing system in a first (standard) configuration to generate a standard output. The standard output may include a standard PDL output and a standard bitmap. The standard input is processed in the printing system in a second configuration to be tested to generate regression test output. The regression test output may include a test PDL output and test bitmap. The regression test output and the standard output are compared to determine if changes included in the second configuration of the printing system produce an undesirable effect. Each standard input and corresponding standard output is identified by a unique test identifier and is stored.06-03-2010
20100199130SIZING AN INFRASTRUCTURE CONFIGURATION OPTIMIZED FOR A WORKLOAD MIX - Sizing an infrastructure configuration optimized for a workload mix includes: a) instructing a virtualized-aware testing service (VATS) test controller to perform a test of an initial infrastructure configuration in a virtualized environment, in which the test provides at least one test result; b) determining whether the at least one test result satisfies a predetermined requirement as identified in the workload mix; c) modifying at least one parameter of the initial infrastructure configuration to create a modified infrastructure configuration in response to the at least one test result failing to satisfy the predetermined requirement; d) instructing the VATS test controller to perform another test on the modified infrastructure configuration to generate another at least one test result; e) repeating steps b)-d) until a final infrastructure configuration that causes the another at least one test result to satisfy the predetermined requirement is identified; and f) outputting the final infrastructure configuration.08-05-2010
20110066892Visual test automation tool for message-based applications, web applications and SOA systems - In one embodiment, a graphical user interface (“GUI”) enables the efficient composition and execution of a test of a message-based application, Web application, or SOA systems' capacity to receive, process and respond to message traffic. The GUI may be used to generate a test composition by dragging and dropping message clips onto one or more tracks. Each clip includes one or more message, with each track being organized into one or more bands. Each track and each band may run contemporaneously to send messages to a target device or application. It is emphasized that this abstract is provided to comply with the rules requiring an abstract that will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure.03-17-2011
20110066891SELECTIVE LOGGING BASED ON SET PARAMETER - Providing asset-based logging by setting a flag for an identified asset and a transaction includes generating a first detailed log for logging activity related to the identified asset and the transaction by a first application implemented on a first node. A transaction identifier, the flag, and any of the identified asset, information generated by the first application implemented on the first node, information provided to the first application implemented on the first node and a representation of the identified asset is passed to at least one downstream application implemented on at least one second node. Detailed logs generated by the at least one downstream application are correlated with the first detailed log.03-17-2011
20110066890SYSTEM AND METHOD FOR ANALYZING ALTERNATIVES IN TEST PLANS - A method includes creating an initial test plan including initial estimates of effort and defect distributions, creating an alternative test plan including alternative estimates of effort and defect distributions, and displaying at least one metric of the initial test plan and the alternative test plan side by side for comparison by a user.03-17-2011
20090177927DETERMINATION OF IMPACT OF A FAILURE OF A COMPONENT FOR ONE OR MORE SERVICES - A method and system for determining an impact of a failure of a component for one or more services that the component is supporting. A data feed received from a processing node includes data indicative of an identity and system status of a component running on the processing node. The system status of the component identifies whether the component has failed or is active. The one or more services is mapped into a calendar function. After determining that the component supports the one or more services, a lookup in the calendar function is performed to identify a temporal activity and a level of criticality of each service of the one or more services. An impact of the system status of the component on the one or more services is determined from analysis of the identified temporal activity and the identified level of criticality of the one or more services.07-09-2009
20090319831Automation Network, Remote Access Server for an Automation Network and a Method for Transmitting Operating Data Between an Automation System and a Remote Computer - There is described an automation network, a remote access server for an automation network and a method for transmission of operating data between an automation system with one or more automation devices and a remote computer with the operating data of the automation device being transmitted via the Internet or an intranet and displayed and/or changed on the remote computer by an Internet browser. The remote access server provides the operating data for the remote computer and, for a session-oriented access, creates a software object as an image of the automation device and, if changes are to be made to the operating data by the access, a software object for simulation of the automation device and/or of the process to be controlled by the automaton device, so that any changes can be checked for permissibility and/or validity before being forwarded to the automation device.12-24-2009
20090019314NETWORK ADVISOR - A system for diagnosing the configuration and use of devices in an interconnected network. The system may be used to analyze a network and/or discrete network devices, and then suggest steps that a user may take to improve the performance or usability of the network and/or device.01-15-2009
20090019313SYSTEM AND METHOD FOR PERFORMING CLIENT-SIDE INPUT VALIDATION - A system and method for performing client-side input validation may include a JavaServer Faces (JSF) environment having parameters indicating whether to enable or disable client-side validation for a given application, and one or more validation functions for validating required fields, minimum and maximum values, regular expressions, input lengths, or other input parameters.01-15-2009
20090187788METHOD OF AUTOMATIC REGRESSION TESTING - A method of automatic regression testing includes loading binary code representing a first version of a program, extracting a second version of the program embedded within the binary code of the first version of the program, executing a standalone model of the second version of the program based on the extracted second version, wherein executing includes executing a set of instructions to identify at least one error, determining if the standalone model causes the at least one error, and storing results based on the determining.07-23-2009
20090177926INCIDENT SIMULATION SUPPORT ENVIRONMENT - This disclosure describes software for supporting an application. In one aspect, software for supporting a business application receives error and dynamic context information from a remote business application in response to an incident. The dynamic context information at least partially identifies one or more business objects (BOs) associated with the incident. The software is further operable to clone at least one of the BOs associated with the incident. The software can then start a transaction simulating the incident. Conversely, the business application (or other supported software) can transmit error and dynamic context information to support software related to an incident within having a particular execution environment. In response to an automated request from the support software executing a simulated transaction simulating the incident, the supported software communicates a clone of one of the associated BOs to the support software. Alternatively, the software re-directs service calls instead of cloning BOs.07-09-2009
20100223504SYSTEMS AND METHODS FOR INTERROGATING DIAGNOSTIC TARGET USING REMOTELY LOADED IMAGE - Embodiments relate to systems and methods for interrogating one or more diagnostic targets using a remotely loaded image. A set of managed machines, such as personal computers or servers, can be managed by a network management engine communicating with the machines via a secure channel. The network management engine can access a selected diagnostic target to temporarily deactivate the installed native operating system on that target, insert a substitute operating environment, and remotely interrogate the target to perform hardware, software, security, or other diagnostics or installs. The network management engine can connect to the diagnostic target, extract security keys from the native operating environment, remotely load the substitute environment, and then perform diagnostic or provisioning activities while the native environment is deactivate and the diagnostic target is effectively off-network. Installations, diagnostics, or other activities that require the diagnostic target to be isolated from other machines can therefore be safely conducted.09-02-2010
20090150724Model Driven Diagnostics System and Methods Thereof - A method to perform a diagnostic test in an integrated support platform having a plurality of services is disclosed. The method includes a process of building at least one or more knowledge model for each of the plurality of services in the integrated support platform. The process of building the knowledge model includes determining one or more failure(s) of each component and at least one associated symptom to identify the one or more failures and constructing a framework for the diagnostic test associated to the one or more failures. The framework comprising the diagnostic test may be created by at least one of an execution plan based on the most efficient path for determining the failure. The method further includes performing the diagnostic test for resolving one or more failures of each component by using the framework based on the built knowledge model for the plurality of services.06-11-2009
20110239051DIAGNOSIS OF PROBLEM CAUSES USING FACTORIZATION - Technology is described for diagnosing problem causes in complex environments by using factorization of a plurality of features. An embodiment can include the operation of identifying a plurality of entities having entity weighting parameters. The entities may be computing devices. The plurality of features can be associated with a respective entity having feature weighting parameters, and an instance of the plurality of features can be associated with individual entity instances. A fault label can be applied for an ensemble entity. The plurality of features can be linked using the feature weighting parameter and the entity weighting parameter with a bilinear model. A further operation is estimating weighting values for the entity weighting parameters and the feature weighting parameters for use in a statistical model. The meaningful feature parameters can be found for the statistical model that are likely to be responsible for entity faults.09-29-2011
20090113247FAILURE DIAGNOSIS DEVICE, PROGRAM AND STORAGE MEDIUM - A failure diagnosis device, program and storage medium are provided, which are capable of automatically generating FTA and/or FMEA from MFM. An FTA generating section generates an FTA knowledge by reading out, from an HD, an MFM knowledge systematically and organically representing goals, functions, relations between the functions, relations between the functions and goals, and relations between the functions and components realizing the functions; an MFM attendant knowledge including a component behavior knowledge representing relations between failures and behaviors of components when failure occurs in the component; and an influence-repercussion rule defining the influence exerting when the function is changed. An FMEA generating section generates an FMEA knowledge by reading out the MFM knowledge, the MFM attendant knowledge, and the influence-repercussion rule from the HD.04-30-2009
20090113246Apparatus for and Method of Implementing system Log Message Ranking via System Behavior Analysis - A novel and useful method for enabling system logs to be effectively and efficiently monitored by ranking the system log messages by their estimated value to administrators and generating a log view that displays the most important messages. The ranking process uses a dataset of system logs from many computer systems to score messages. For better scoring, unsupervised clustering is used to identify sets of systems that behave similarly. The expected distribution of messages in a given system is estimated using the resulting clusters, and log messages are scored using this estimation.04-30-2009
20100223505SOFTWARE TABLE WALK DURING TEST VERIFICATION OF A SIMULATED DENSELY THREADED NETWORK ON A CHIP - A computer-implemented method, system and computer program product are presented for managing an Effective-to-Real Address Table (ERAT) and a Translation Lookaside Buffer (TLB) during test verification in a simulated densely threaded Network On a Chip (NOC). The ERAT and TLB are stripped out of the computer simulation before executing a test program. When the test program experiences an inevitable ERAT-miss and/or TLB-miss, an interrupt handler walks a page table until the requisite page for re-populating the ERAT and TLB is located.09-02-2010
20110083043HISTORY-BASED CONFLICT RESOLUTION - Processes in a cluster maintain a historical record of problem events as those events occur in the cluster. The record may describe (a) attributes of each event and (b) the resolution action that was performed to resolve each event. Whenever a new event occurs, a process determines whether any entries in the record reflect occurrences of an event with attributes like those of the new event. If a “matching” entry exists, then the process increments that entry's counter. If the historical record indicates that similar events have previously occurred more than a specified number of times, then the process may select and perform a resolution action that differs from the resolution action that is indicated in the entry. Additionally, patterns in the attributes of a recurring problem may be used to predict when the problem is likely to recur. Preventative actions may be taken to avoid recurrence of the problem.04-07-2011
20110107148FAULT MANAGEMENT IN VIRTUAL COMPUTING ENVIRONMENTS - A method and system for fault management in virtual computing environments are provided. The system includes: a monitor of fault events from virtual machines and host devices in a virtual computing environment and a monitor of situation events in the virtual computing environment wherein the situation events refer to a virtual machine name and a host device name. A universal faults component determines if a fault event affects both virtual machines and host devices and a correlating component correlates fault events relating to virtual machines and host devices as relating to the same problem. Host machine fault events correlated to a problem are marked as a root event and virtual machine fault events correlated to a problem are marked as symptoms with a link to the root event.05-05-2011
20090106594Method and Device for Log Events Processing - The present invention relates to a method and device for log event processing. The method comprises the steps of: receiving a log event; determining whether or not the log event meets one or more predetermined conditions; and executing one or more processes determined according to the predetermined conditions when the log event meets the predetermined conditions. The method and device can execute, according to a log event, processes determined according to predetermined conditions on the premise of not changing existing software and hardware architectures.04-23-2009
20110113287System for Automated Generation of Computer Test Procedures - A system automatically generates a workflow report for computerized system testing and other uses. The system comprises at least one processing device including at least one log file including records identifying time stamped actions performed by a user of a computerized processing system and actions performed by the system. A repository includes stored predetermined data patterns associated with workflow tasks performed in a workflow by a user and a system. A parser automatically parses records of the at least one log file to identify workflow tasks performed during a time period using the predetermined data patterns. A report generator automatically generates a workflow report comprising the identified workflow tasks and associated time stamps indicating workflow tasks performed by the system and user during the time period. An output processor provides the generated workflow report to a destination device for access by a user.05-12-2011
20090037773Link Failure Detection in a Parallel Computer - Methods, apparatus, and products are disclosed for link failure detection in a parallel computer including compute nodes connected in a rectangular mesh network, each pair of adjacent compute nodes in the rectangular mesh network connected together using a pair of links, that includes: assigning each compute node to either a first group or a second group such that adjacent compute nodes in the rectangular mesh network are assigned to different groups; sending, by each of the compute nodes assigned to the first group, a first test message to each adjacent compute node assigned to the second group; determining, by each of the compute nodes assigned to the second group, whether the first test message was received from each adjacent compute node assigned to the first group; and notifying a user, by each of the compute nodes assigned to the second group, whether the first test message was received.02-05-2009
20090070630SYSTEM AND METHOD OF IDENTIFYING AND STORING MEMORY ERROR LOCATIONS - A system and method of identifying and storing memory error locations is disclosed. In one form, a method of using a memory is disclosed. The method can include detecting a memory error during execution of a run time environment within an information handling system, and determining if the memory error is a correctable memory error. The method can also include identifying a first memory location within a first memory device causing the memory error, and storing a first reference to the first memory location within a persistent memory. The method can further include disabling use of the first memory location during use of the run time environment.03-12-2009
20130132778ISOLATION OF PROBLEMS IN A VIRTUAL ENVIRONMENT - Problem isolation in a virtual environment is described. In one example, a method (05-23-2013
20100332906Quality of Service Management of End User Devices in an End User Network - Methods and apparatus for managing quality of service of computing resources are presented. For example, a method implemented on a processor for managing quality of service of computing resources includes identifying, by the processor, one or more devices of a user on a network of the user; obtaining, by the processor, at least one management module for the identified one or more devices; installing the at least one management module in the processor; monitoring, by the processor, the one or more devices of the user for a problem; and determining, by the processor, a domain in which a root cause of the problem resides and, optionally, the root cause of the problem. The management module comprises information pertaining to a corresponding device. Further, the method may detect quality of service (QoS) problems and determine if the problems reside in a user domain or a service provider domain.12-30-2010
20110029817ABNORMALITY DETECTION METHOD, DEVICE AND PROGRAM - Model data is generated from performance information sorted by day of the week, time period, and process status by a performance information analysis section and a process status analysis section. An abnormality determination section detects abnormality using appropriate model data. What the graph of an expected status is like, how much the graph of the current status that has been determined abnormal differs from the graph of the expected status, and how much the current status is like the expected status are displayed allowing a system manager to observe detailed information about abnormality determination.02-03-2011
20110035628System And Method For Correlating Carrier Ethernet Connectivity Fault Management Events - A method, system and computer-usable medium are disclosed for suppressing managed endpoint (MEP) child events in a network. A MEP multicast message is broadcast by an originating MEP. Responses received from peer MEPs within a selected time interval are processed to determine their respective IP address, MAC address, and VLAN. If this information is not currently stored in a table of peer MEP device information associated with the originating MEP, then it is added. The responding MEP is then marked in the peer MEP device table as having responded. Peer MEP devices that have responded to previous multicast messages, but have now failed to respond within the selected time interval, are determined. A MEP network event is generated, comprising the IP address of the device containing the MEP, the MAC address for inward-facing MEPs, the MAC address of the associated bridge, the port addresses for outward-facing MEPs, and associated VLAN information. If another MEP network event occurs, the MAC address of the MEP and its VLAN information is determined. If the VLAN associated with the current MEP network event contains a MAC address associated with a prior MEP network event, then the MEP network event is designated as a child MEP network event and suppressed. Otherwise, the MEP network event is designated as a parent MEP network.02-10-2011
20110214020ROOT CAUSE PROBLEM IDENTIFICATION THROUGH EVENT CORRELATION - Correlating activity events to identify a root cause of a process failure. Activity event data is received from a process executing on a computing device. The activity event data corresponds to a plurality of activity events. Each of the activity events has a correlation identifier, a resolution status, and an occurrence time value associated therewith. Each of the activity events are assigned to one of a plurality of event groups based on the correlation identifier of the activity event. Thereafter, at least one of the event groups is determined to have an activity event with a resolution status indicating failure of the process. One of the activity events within the determined event group is selected as a root cause activity event based on the occurrence time values. In some embodiments, the root cause activity event is identified to a user of the computing device.09-01-2011
20100153781SERVER-TO-SERVER INTEGRITY CHECKING - A method performed by a primary server includes receiving integrity criteria and sending a health check request to a secondary server based on the received integrity criteria. The method also includes receiving integrity information from the secondary server and checking the integrity information against the integrity criteria. The method further includes initiating a non-compliance action if the integrity information does not comply with the integrity criteria.06-17-2010
20110246831METHOD AND APPARATUS FOR OPERATIONAL-LEVEL FUNCTIONAL AND DEGRADATION FAULT ANALYSIS - An apparatus and method are provided for analyzing fault tolerance of a system, and performing “what if?” analysis for various fault-tolerant system design options. The fault tolerance analysis approach handles logical failures and quality faults emanating from loss of precision in signal values. The method can detect quality faults, which can allow systems to be built which are resilient to precision losses. Two analysis steps are provided, one static and another simulation-based, which are used in tandem to check the fault tolerance of an automotive or other system. While a simulation-based method checks fault-resilience under specific test cases and fault-scenarios, the static analysis method quickly checks all test cases and fault-scenarios. The static analysis method makes approximations while performing the analysis, and any fault detected is reproduced using the simulation-based method. All analysis operations are performed on operations-level behavioral models of the applications, thereby reducing the cost of analysis.10-06-2011
20090077424HEALTH CHECK FRAMEWORK FOR ENTERPRISE SYSTEMS - A health check framework for enterprise systems is described herein. In one embodiment, a health check framework includes one or more first layer methods as public interfaces to allow an application client to initiate one or more stages of a health checking session, where the first layer methods are independent of a particular component of the enterprise system. The health check framework further includes one or more second layer methods to provide an abstract interface to the one or more system and/or application components with respect to the one or more first layer methods. The second layer methods include one or more methods that are specific to a corresponding one of the system and/or application components of the enterprise system. During a health check session, the first layer methods invoke the second layer methods to perform health check operations. Other methods and apparatuses are also described.03-19-2009
20100138696SYSTEMS AND METHODS FOR MONITORING HARDWARE RESOURCES IN A SOFTWARE PROVISIONING ENVIRONMENT - A provisioning server can provide and utilize a diagnostic tool to test and interrogate hardware on target machines and to collect data from the hardware. The diagnostic tool can operate on the target machine independently of software already installed on the target machine. The diagnostic tool can interrogate hardware of the target machine and collect data from the hardware of the target machine. The provisioning server can select the diagnostic tool from a set of pre-generated diagnostic tools or generate a custom diagnostic tool tailored to a specific target machine. The provisioning server can interact directly with the diagnostic tool or interact with the diagnostic tool utilizing a network management server. Once data is collected, the provisioning server can be configured to store the collected data and/or output the data to other parties or systems.06-03-2010
20100251025OPERATION MANAGEMENT SYSTEM, PROCESS ANALYZING APPARATUS, RECORDING MEDIUM IN WHICH PROCESS ANALYSIS PROGRAM IS RECORDED, AND PROCESS ANALYSIS METHOD - A process analyzing apparatus includes processing-identifying-information acquiring, from setting history information in which an update date and time, update-result information, and management-target identifying information, processing identifying information that is associated with the same management-target identifying information indicating that the updating processing is unsuccessful and that is associated with processing identifying information associated with an update date and time within a specific period of time from the update date and time associated with the update-result information indicating that the updating processing is unsuccessful, and failure-cause-processing estimating, from execution history information in which an execution history of each processing contained in the process is associated with the processing identifying information, processing corresponding to the processing identifying information acquired as the processing that is the cause of the failure of the processing corresponding to the processing identifying information associated with the update-result information indicating that the updating processing is unsuccessful.09-30-2010
20100223506METHOD AND SYSTEM FOR ANALYZING TIME SERIES DATA - Systems and methods for performing fault analysis using numerically coded time series data are disclosed. First time series data, including a plurality of first time entries and an associated first data value for each first time entry, may be received for a machine variable for a first printer. Second time series data, including a plurality of second time entries and an associated second data value for each second time entry, may be received for the machine variable for each of a plurality of second printers. For each second printer, a similarity measurement may be determined for the first time series data for the first printer and the second time series data for the second printer. One or more closest matching second printers may be determined based on the similarity measurements. An association may be displayed between the first printer and each closest matching second printer.09-02-2010
20100131801ELECTRONIC SYSTEM FOR DETECTING A FAULT - An electronic adapter device and an electronic system that comprises the electronic adapter device are described. The electronic adapter device comprises a device and a redundant device able to receive data from a first plurality of electronic devices and redundant data from a second plurality of electronic devices, and able to select therefrom first data and first redundant data respectively. The electronic adapter device also comprises a controller able to receive the selected first data and the selected first redundant data and is able to generate therefrom an error signal indicating a fault in an electronic device of the first plurality or a fault in the device.05-27-2010
20100131802METHOD AND SYSTEM FOR UNIT TESTING WEB FRAMEWORK APPLICATIONS - The lifetime of a data structure containing information for processing a client request is manipulated so that the information remains available to a review and/or testing process. After examination, the information may be discarded.05-27-2010
20100131800DIAGNOSTIC DEVICE - A diagnostic device which detects a fault and estimates its cause on the basis of the degree of variation of each attribute of data containing a plurality of attributes obtained by measuring a diagnosis subject. A diagnosis subject variation degree pattern generation means (05-27-2010
20090313506Test Result Aggregation and Analysis Using Text Expressions - A test and analysis system may use Xpath or other text based analysis descriptors to analyze test results that may be presented in XML. The text based analysis descriptors may be installed and used on an analysis system without exposing the analysis system to security vulnerabilities, and such descriptors may be frequently updated and distributed. A server device may have a test manager that may coordinate tests performed on other devices connected through a local area network, and may gather and store the test results for analysis. In some cases, the test results may be converted to XML for analysis.12-17-2009
20100058112SYSTEM AND METHOD FOR DETECTING TEMPORAL RELATIONSHIPS UNIQUELY ASSOCIATED WITH AN UNDERLYING ROOT CAUSE - Methods and systems are provided for detecting temporal relationships that are uniquely associated with a selected root cause. The method comprises identifying error codes associated with a root cause, wherein each error code comprises a plurality of event indicators and temporal data describing when the event indicator was generated, analyzing each of the error codes to detect a combination of event indicators that is associated with error codes corresponding to the selected root cause and to a non-selected root cause, and detecting a temporal relationship involving the combination of event indicators, wherein the temporal relationship is uniquely associated with error codes corresponding to the selected root cause.03-04-2010
20090217099OPERATIONS MANAGEMENT APPARATUS, OPERATIONS MANAGEMENT SYSTEM, DATA PROCESSING METHOD, AND OPERATIONS MANAGEMENT PROGRAM - An operations management apparatus which acquires performance information for each of a plurality of performance items from a plurality of controlled units and manages operation of the controlled units includes 08-27-2009
20090217098MANAGING USE OF STORAGE BY MULTIPLE PAGEABLE GUESTS OF A COMPUTING ENVIRONMENT - Management of storage used by pageable guests of a computing environment is facilitated. An enhanced suppression-on-protection facility is provided that enables the determination of which level of protection (host or guest) caused a fault condition, in response to an attempted storage access.08-27-2009
20090217096Diagnosing Communications Between Computer Systems - Diagnosing communications between computer systems includes sending a message from a sending node to a receiving node. The receiving node detects an error in the receiving node receiving the message and captures the data regarding the error on the receiving. A diagnostic log request is sent from the receiving node to the sending node, the diagnostic log request including a request for the sending node to log information. The sending node diagnoses the communications error in response to the diagnostic log response.08-27-2009
20090217097PORTAL FACILITATING TELECOMMUNICATION INSTALLATION AND REPAIR SERVICES - A web server includes software to support a remotely accessible web portal for installation and repair services in conjunction with a telecommunication service provided to a customer by a provider. The software includes instructions to provide a first I&R user interface, including a plurality of selectable I&R objects in response to a first input from a remote field device, receive a second input from the remote field device indicating a user's selection of one of the I&R objects, generate a request to invoke an I&R application in response to receiving the input, transmit the request to invoke the I&R application to an I&R system, receive I&R data generated by the I&R application from the I&R system, and convey information indicative of the I&R data to the remote field device.08-27-2009
20110179308Auxiliary circuit structure in a split-lock dual processor system - A multiple-processor system 07-21-2011
20100064176DATA PROCESSING APPARATUS, DATA PROCESSING METHOD, AND RECORDING MEDIUM - A data processing apparatus allocates a page number in a record to each of a plurality of records of a variable data print job and performs a preflight check every page number. After that, the data processing apparatus extracts the records in which the same kind of (or same) problem has occurred in a page of the same page number from the records included in the variable data print job. The data processing apparatus calculates a ratio of the extracted records to all records having the page of the page number and presumes whether the problem relates to a master object or relates to a variable object according to the ratio. The data processing apparatus displays whether the problem in the page relates to the master object or relates to the variable object every page having the problem.03-11-2010
20100064175ELECTRONIC MALFUNCTION DIAGNOSTIC APPARATUS AND METHOD - A method for automatically diagnosing malfunction in device is provided. The method includes: acquiring a sort identification code from a hardware code of the malfunctioning device connected to the diagnostic apparatus; determining the access address of the diagnostic program on the server according to the determined sort identification code in a diagnostic program access address table; accessing the diagnostic program from the server according to the determined access address of the diagnostic program; applying the diagnostic program to the malfunctioning device to generate a diagnosis; and generating a diagnostic report of the generated diagnosis.03-11-2010
20110154120APPARATUS AND SYSTEM FOR INTEGRATEDLY MANAGING STATIC ANALYSIS TOOLS - An apparatus for integratedly managing static analysis tools includes: a tool configuration module receiving initial configuration information in an integrated configuration format for an analysis of static analysis tools from a user, converting the initial configuration information in the integrated configuration format into initial configuration information in an initial configuration format of the static analysis tools, and transmitting the same; a result output module receiving analysis results from the static analysis tools, converting the received analysis results into a common analysis result format, and outputting the same; an analysis configuration module receiving analysis configuration information from the user, converting the received analysis configuration information into analysis configuration information in an analysis configuration format of the static analysis tools, and transmitting the same; and an execution management module performing one or more of functions such as management of the analysis performing of the static analysis tools, management of the configuration of the static analysis tools themselves, and management of the verification rules of the static analysis tools.06-23-2011
20110154119Device and Method for Detecting and Diagnosing Correlated Network Anomalies - A device detects and diagnoses correlated anomalies of a network. The device includes an anomaly detection module receiving a first data stream including an event-series related to the network. The anomaly detection module executes at least one algorithm to detect a potential anomaly in the event-series. The device further includes a correlating module receiving a second data stream including other event-series related to the network. The correlating module determines whether the potential anomaly is false and determines whether the potential anomaly is a true anomaly.06-23-2011
20110154117METHODS AND APPARATUS TO PERFORM LOG FILE ANALYSES - Methods and apparatus to perform log file analyses are disclosed herein. An example method includes generating, by a processor, a plurality of data points by analyzing information in a log file; displaying one or more graphical representations of the data points; and in response to detecting an engagement of a first portion of a first one of the graphical representations, identifying a section of the log file corresponding to the engaged first portion and displaying the section of the log file in association with the graphical representations.06-23-2011
20110154115ANALYSIS RESULT STORED ON A FIELD REPLACEABLE UNIT - A system and method for recording fault information in an electronic system are disclosed herein. A system includes fault analysis logic and a plurality of field replaceable units (“FRUs”). The fault analysis is configured to analyze system error information, and identify at least one of the FRUs in the system to be a possible cause of a detected fault based on the analysis. Each FRU includes writeable non-volatile storage including storage locations reserved to store information including a result of the analysis. The result of the analysis indicates a reason that the FRU storing the information was determined, by the fault analysis logic, to be a possible cause of the fault.06-23-2011
20110154116PREDICTING AND AVOIDING OPERAND-STORE-COMPARE HAZARDS IN OUT-OF-ORDER MICROPROCESSORS - A method and information processing system manage load and store operations executed out-of-order. At least one of a load instruction and a store instruction is executed. A determination is made that an operand store compare hazard has been encountered. An entry within an operand store compare hazard prediction table is created based on the determination. The entry includes at least an instruction address of the instruction that has been executed and a hazard indicating flag associated with the instruction. The hazard indicating flag indicates that the instruction has encountered the operand store compare hazard. When a load instruction is associated with the hazard indicating flag the load instruction becomes dependent upon all store instructions associated with a substantially similar flag.06-23-2011
20110154114FIELD REPLACEABLE UNIT ACQUITTAL POLICY - A system and method for managing faults in a computer-based system are disclosed herein. For example, a system includes fault management logic, and a plurality of field replaceable units (“FRUs”). In response to a detected fault in the system, the fault management logic is configured to identify each FRU of a sub-plurality of the FRUs as a possible root cause of the fault. The fault management logic is further configured to store information, including an acquittal policy, that individually specifies for each identified FRU whether to dismiss the identified FRU from the sub-plurality based on detection of an event corresponding to the identified FRU.06-23-2011
20110078508CONTROL APPARATUS AND CONTROL METHOD OF ELASTIC BODY ACTUATOR AS WELL AS CONTROL PROGRAM THEREOF - An inner pressure of an actuator is measured by a pressure measuring unit, and an amount of displacement of a movable mechanism is measured so that a position error compensation unit to which a desired value for the displacement and the measured value are inputted is allowed to compensate for a position error, and a desired value for a pressure difference of actuators that are competitively driven from the desired value is calculated by a desired pressure difference calculation unit, and an adjusted correcting value of the desired value for the pressure difference, obtained from the desired value of displacement and the measured value, is adjustably outputted from an adjustable desired inner-state correction unit, and thus, the outputs of these unit are inputted to a pressure difference error compensation unit so that a pressure difference error is compensated therewith.03-31-2011
20120304012Administering Incident Pools For Event And Alert Analysis - Administering incident pools including receiving, by an incident analyzer from an incident queue, a plurality of incidents from one or more components of the distributed processing system; assigning, by the incident analyzer, each received incident to a pool of incidents; assigning, by the incident analyzer, to each incident a particular combined minimum time for inclusion in one or more pools, each particular combined minimum time corresponding to a particular incident; in response to the pool closing, determining, by the incident analyzer, for each incident in the pool whether the incident has met its combined minimum time for inclusion in one or more pools; and if the incident has been in the pool for its combined minimum time, including, by the incident analyzer, the incident in the closed pool; and if the incident has not been in the pool for its combined minimum time, including the incident in a next pool.11-29-2012
20110060948DIAGNOSTICS METHODS FOR A COMMUNICATIONS DEVICE - A method facilitating the support of a communications device via diagnostic tools on the communications device and a remote computing device of monitoring predefined data elements associated with the operation of said communications device.03-10-2011
20110060947HARDWARE TRUST ANCHOR - A target computing environment is secured by a hardware trust anchor that provides a trust state of the target computing environment based upon a security audit of the target computing environment. And diagnosing the target computing environment can be diagnosed by the hardware trust anchor according to the security diagnostic information.03-10-2011
20110029818INFORMATION PROCESSING DEVICE - An information processing device may comprise a log file creating unit and a first storage controlling unit. The log file creating unit may be configured to create, each time information is input, one log file that includes log information indicating an input of the information. The storage controlling unit may be configured to store, each time the one log file is created, the one log file in a storage area.02-03-2011
20110016355SYSTEM, METHOD AND COMPUTER READABLE STORAGE MEDIUM FOR TROUBLESHOOTING - A troubleshooting system that receivesing as input one or more symptom(s) of trouble of an IT system and outputting a remedy for the symptom, the troubleshooting system including: a first data base to collecting configuration information of the IT system, a second data base to collecting incidents of trouble including symptoms of trouble and remedies for dealing with the symptoms, a first storage unit to deriveing and storing configuration information of incidents of trouble from the first data base and the second data base using the configuration information as a key, a configuration information similarity degree calculation unit to calculating similarity degrees between input configuration information of the IT system experiencing trouble and configuration information of the incidents of trouble, and an output unit to presenting a remedy for the IT system experiencing the trouble together with the similarity degree.01-20-2011
20100299562Reducing bandwidth required for trace data - A data processing apparatus is disclosed including trace logic for monitoring behaviour of a portion of said data processing apparatus and prediction logic for providing at least one prediction as to at least one step of the behavior of the portion of the data processing apparatus. The trace logic monitors behavior of the portion of the data processing apparatus, determines from the monitored behaviour whether the at least one prediction is correct, and outputs a prediction indicator indicating whether the at least one prediction is correct.11-25-2010
20100115340METHOD AND APPARATUS FOR PROACTIVE ALERT GENERATION VIA EQUIVALENT MACHINE CONFIGURATION DETERMINATION FROM PROBLEM HISTORY DATA - A method, and system employing the method, initiates proactive maintenance of computer systems and/or devices in a computer network. The method determines the subsystems of the computers and network devices and analyzes their configuration data including their respective subsystems. The method generates maintenance characteristics for the devices, and determines a maintenance event for devices using the maintenance characteristics and the configuration data of the devices. The method initiates a maintenance solution of a device determined to have a problematic configuration.05-06-2010
20080229151Electronic control unit - An ECU that controls an engine of a vehicle includes a MPU and an IC that monitors the operation of the MPU. The MPU is programmed to execute a verification result check and test selection function for selecting a test for verifying the function of the MPU. The MPU runs the selected test, and transmits a test result indicating the result of the test to the IC. The IC checks whether the test result from the MPU is correct or incorrect, and transmits a verification result to the MPU.09-18-2008
20100100770SOFTWARE DEBUGGER FOR PACKETS IN A NETWORK ON A CHIP - A breakpoint packet is dispatched to a Network On A Chip (NOC). The breakpoint packet instructs one or more specified nodes on the NOC to place the specified nodes, or a core or hardware thread within a specified node, to execute in “single step” mode, in order to enable a debugging of a work packet that is dispatched to the specific node.04-22-2010
20120204064SOFTWARE-HARDWARE WELDING SYSTEM - A system and method for a software override capability for enforcing a predetermined state for an otherwise hardware-programmable device. Software that may think it knows what it is doing may try to control a hardware device, but may not know about a hardware issue, such as another feature or defect requiring that the device stay in a certain state. The technique programmatically maintains a persistent hardware state independent of any other control software. To other software, the software layer of the invention is indistinguishable and inseparable from hardware. Nothing can slip in between. Any insertion attempt will be detected and disallowed. Features of the processor or system chips actually weld the software to the hardware, which feature disallows any software intervention between the welded software layer and the hardware.08-09-2012
20110131453AUTOMATIC ANALYSIS OF LOG ENTRIES THROUGH USE OF CLUSTERING - A set of log entries is automatically inspected to determine a bug. A training set is utilized to determine clustering of log identifications. Log entries are examined in real-time or retroactively and matched to clusters. Timeframe may also be matched to a cluster based on log entries associated with the timeframe. Error indications may be outputted to a user of the system in respect to a log entry or a timeframe.06-02-2011
20080313500PROCTOR PEER FOR MALICIOUS PEER DETECTION IN STRUCTURED PEER-TO-PEER NETWORKS - A method for detecting misbehavior of a peer node within a P2P network is proposed. The method comprises the step to choose a peer node from that network to act as a tester peer. Such a tester peer sends then a testing request message, that testing request message having as target the tester peer itself. The tester peer analyses the behaviour of the P2P network by collecting any possible response message related to the testing request message. The tester peer identifies any possible discrepancy with properties governed according to the predefined rules of the P2P network. In case a misbehavior is found while being unable to identify the misbehaving peer node then a different peer node from the P2P network is chosen to act as a new tester peer till a misbehaving peer could be identified, or all the peer nodes were tested. In the case a misbehaving peer node is identified then latter is isolated from the P2P network.12-18-2008
20110161738DEVICE AND METHOD FOR OPTIMALLY ADJUSTING TRANSMITTER PARAMETERS - A device and a method for optimally adjusting transmitter parameters are provided to optimize transmission performance of a digital signal system. The device comprises an error signal analyzing unit and a step length adjustment unit which are connected in signal with each other; the error signal analyzing unit analyzes an error signal and makes a determination to carry out a transmitter parameter adjustment operation; the step length adjustment unit calculates and determines an adjustment direction and an adjustment step length of the transmitter parameter; and a transmitter parameter adjusting unit carries out operations of direction adjustment and step length adjustment of the transmitter parameter according to the result of the determination.06-30-2011
20100318851High Speed Redundant Data Processing System - A high speed data processing system is described comprising first and second data processing modules and first and second data checking modules. The first and second data processing modules are each arranged to perform substantially the same processing steps on data received at said data input, with each providing an output. The first and second checking modules are arranged to compare the outputs of said first and second data processing modules and to output an error signal indicative of whether or not said first and second data processing modules have performed substantially the same processing steps. The first and second checking modules are located on physically separate devices. In some arrangements a third checking module is provided, which checking module may be physically separated from each of said first and second checking modules.12-16-2010
20110055636SYSTEMS AND METHODS FOR TESTING RESULTS OF CONFIGURATION MANAGEMENT ACTIVITY - Embodiments relate to systems and methods for testing results of configuration management activity. In embodiments, a configuration management server can control and maintain the configuration state of one or more targets, hosts, servers, clients, or other machines in a managed. In aspects, a testing tool hosted on the configuration management server can verify the correct implementation of configuration instructions. In embodiments, the testing tool can access or receive an anticipated or target configuration state for one or more target(s) or other machines, indicating the status of services, memory, security, storage, and/or other configuration parameters after a selected configuration command is to be transmitted and run on the recipient machine. After the configuration change or update is performed, the test tool can receive results indicating the actual configuration state achieved after running the configuration management command(s), and compare those to the anticipated configuration state. Any discrepancies can be flagged, and corrective commands can be issued.03-03-2011
20110055635Declarative Test Result Validation - A test controller translates test rules into executable code and validates the test results using the executable code. The test controller translates the test rules using a test grammar. The test rules are used to indicate expected test results of a device under test. The test controller further generates the test results by executing test instructions. In addition, the test controller uses the test grammar to validate the test rules.03-03-2011
20100325490System and method to view crash dump information using a 2-d barcode - In some embodiments, the invention involves a system and method for the generation and use of a compact crash dump that can be viewed and/or captured as a two-dimensional (2-D) high contrast graphical barcode. When an error is detected, machine context and other relevant information is formatted for entry to a barcode generator unit. The a barcode generator unit received formatted text or codes, and outputs a 2-D barcode for visible capture. The barcode image is ultimately transformed into an electronic image which may be sent to an error reporting site, or individual. The error reporting site uses a decoding unit to decode the high contrast graphical image of the 2-D barcode. The resulting decoded information provides an analyst, or automated system with information relevant to debugging the error. Other embodiments are described and claimed.12-23-2010
20120278656DEVICE AND METHOD FOR TRANSFERRING DATA VIA NODES OF A NETWORK - The present invention provides for devices and methods for the transmission of data over nodes of a specific network. A device may comprise at least two network nodes, a bus having a transmitting line and a receiving line for interconnecting the network nodes. The respective network node has a fault protection circuit which is to bypass the network node in the event of a fault and is capable of reversing the polarity of the transmitting line and of the receiving line, a detection means for detecting a reverse in polarity of the transmitting line and of the receiving line by the respective upstream network node, and a fault-locating means for locating a fault in the upstream network node when a reverse in polarity of the transmitting line and of the receiving line has been detected.11-01-2012
20100293414INFORMATION PROCESSING APPARATUS, AND METHOD AND COMPUTER PROGRAM FOR CONTROLLING SAME - An information processing apparatus having a first subsystem and a second subsystem, is provided. The first subsystem includes a first updating unit configured to update a first counter at a priority higher than that of a processing task executed by the first subsystem, and a second updating unit configured to update a second counter at a priority lower than that of the processing task. The second subsystem includes a check unit configured to check whether the first and second counters have been updated, and a determination unit configured to determine that failure has occurred in the first subsystem if at least one of the first and second counters has not been updated.11-18-2010
20100293415META-INSTRUMENTATION FOR SECURITY ANALYSIS - A system and method for analyzing and/or testing member devices in a multi-device system. The multi-device system includes a device-under-analysis (DUA) and a device-under-observation (DUO). An analyzer that is external to the multi-device system generates and sends test messages to the DUA. The analyzer monitors the health of the multi-device system through the DUO and detects a system-wide impact of the DUA caused by the test messages. The analyzer analyzes the DUA based on the test messages and the system-wide impact.11-18-2010
20110126055INFORMATION PROCESSING APPARATUS, AND METHOD OF DIAGNOSIS - An information processing apparatus includes: an information collecting unit that collects information including a diagnosis history regarding a component of the information processing apparatus in application processing by the information processing apparatus; a diagnosis operation determination unit that determines a priority level setting for offline diagnosis of the information processing apparatus based on the information collected by the information collecting unit; and an application-terminated-period diagnosis unit that performs diagnosis of a component at the time of the offline diagnosis based on the priority level setting determined by the diagnosis operation determination unit.05-26-2011
20110126054METHOD, COMPUTER PROGRAM PRODUCT, AND APPARATUS FOR DERIVING INTELLIGENCE FROM FORMAT CHANGE REQUESTS - Data indicating a problem in a network is derived by collecting reformatting requests from devices in the network. The reformatting requests are generated by the devices in response to problems the devices experience in communicating using the network. The reformatting requests are correlated to determine a pattern in the reformatting requests over a period of time, and data indicating a problem in the network is derived based on the pattern.05-26-2011
20110131454FAULT ANALYSIS RESULT GENERATING SYSTEM AND METHOD - A fault analysis result generating system includes an extracting unit, a converting unit, a determining unit, and a result generating unit. The system extracts fault analysis files, converts the fault analysis files to a first predetermined file format which is easy to be processed, converts the fault analysis files with the first predetermined file format to a second predetermined file format, and then transfers the fault analysis files with the second predetermined file format to a learning sharing module.06-02-2011
20110087925GPON ROGUE-ONU DETECTION BASED ON ERROR COUNTS - A system, for identifying faults in a GPON that includes an OLT and a plurality of ONUs, including: a global error-counter, coupled to the OLT, for counting FEC-correctable errors, for each ONU, from a data stream from the GPON; and a CPU for extracting an ONU status, indicative of a faulty ONU, contingent on the errors from the global error-counter. A system, for identifying faults in a GPON that includes an OLT and a plurality of ONUs, including: a grant-start error-counter, coupled to the OLT, for counting grant-start errors, for each ONU, from a data stream from the GPON; a grant-end error-counter, coupled to the OLT, for counting grant-end errors for each ONU; and a CPU for extracting an ONU status, indicative of a faulty ONU, contingent on a parameter selected from the group consisting of the grant-start errors, the grant-end errors, and a combination thereof.04-14-2011
20100332907SYSTEM AND METHOD FOR TESTING DIFFERENT COMPUTER TYPES - A system and method for testing different computer types sets test parameters of each computer type of the computers, and sends a test command to each computer to control each computer to test each test signal of the computer. The system and method further receives test result data collected by the computer, and compares the test result data with preset standard test result to determine if the test result data is acceptable.12-30-2010
20100180156INTELLIGENT DUMP SUPPRESSION - Various embodiments for intelligent dump suppression in a computing environment following an error are provided. A plurality of historical information is considered in view of a current alert level to generate an output decision. The current alert level is one of an available plurality of alert levels configurable by a user. The current alert level is selectable by the user for a predetermined data collection restrictiveness. Data capture is performed according to the output decision.07-15-2010
20100180155DYNAMIC TESTING OF NETWORKS - Service providers strive to maintain networks with high levels of availability and performance. To maintain the networks, the service providers measure performance and perform network diagnostics. Measuring performance and performing network diagnostics typically involves manual verification of functionality or performing individual tests between user agents. Service providers who maintain networks and service providers who use networks can dynamically run tests with operations of a signaling protocol (e.g., session initiation protocol) to diagnose network problems and determine appropriate responses. An agent manager can coordinate the dynamic tests across multiple user agents to gather more information to increase problem diagnosis accuracy.07-15-2010
20110191636Microprogrammable Device Code Signature - A microprogrammable electronic device has a code memory storing a software and/or firmware code having instructions. The microprogrammable electronic device is configured to compute a signature of the code stored in the code memory, and to detect any corruption of the code stored in the code memory on the basis of the computed signature. The microprogrammable electronic device is characterized by being further configured to operate according to instruction cycles, each divided into a respective first and a respective second operating phase; to read a first instruction from the code memory at the first operating phase of an instruction cycle; to decode and execute the read first instruction at the second operating phase of the instruction cycle; to read a second instruction from the code memory at the second operating phase of the instruction cycle; and to compute the signature on the basis of the read second instruction.08-04-2011
20110093746SYSTEM AND MEHTOD FOR DETERMINING DISPLAY FUNCTION OF BIOS ERROR INFORMATION - A system is used to determine whether a display function of a basic input output system (BIOS) of a tested computer is normal. Operators can select an error information option set on an error information interface. A breakpoint address and an amending instruction can be obtained to interrupt the running of the BIOS, and parameters of a corresponding hardware of the tested computer are amended with preset values. Therefore, an error occurs in the BIOS of the tested computer. The tested computer is controlled to display the BIOS error information. Whether the display function of the BIOS of the tested computer is normal can be ascertained via comparing the displayed BIOS error information with standard BIOS error information.04-21-2011
20110093745SYSTEMS AND METHODS FOR IMPLEMENTING TEST APPLICATIONS FOR SYSTEMS USING LOCKS - The present invention generally relates to systems and methods for implementing test applications of systems using locks.04-21-2011
20100218047METHOD AND DEVICE FOR ERROR MANAGEMENT - A method for error management in a system having a plurality of components, error conditions of the components being able to be indicated by status values, includes a first status value being determined as a function of an error condition of a first component, and of a second status value being determined as a function of an error condition of a second component and as a function of the first status value.08-26-2010
20090292951METHOD AND DEVICE FOR FAULT LOCATION IN A SYSTEM - The invention relates to a method and a device for locating a fault in a system. The system includes a set of elements. The elements are connected in a network. Each element is associated with an operational status and a probability of failure. The method according to an embodiment of the invention includes, for each of the elements having a status indicating a malfunction, denoted as a defective element, the creation, from the system topology, of an expression comprising terms corresponding to functional elements connected to said defective element. If several expressions have been created in the preceding step, then merge expressions having at least one term in common. For each expression, delete terms in the expression corresponding to elements having a “healthy” status. Calculate a minimal expression from the preceding expression. Calculate failure probabilities for selected members of the minimal expression based on failure probabilities of the corresponding elements. Calculate the location of the fault to the elements corresponding to the members of the minimal expression for which the ratio of failure probabilities to exposure time is greater than a threshold.11-26-2009
20110154118GATEWAY DATA PROXY FOR EMBEDDED HEALTH MANAGEMENT SYSTEMS - A gateway data proxy is a system which provides the capabilities to provide and obtain the customized data across multiple platforms to facilitate the remote operations of embedded health management systems (EHMS). The system allows the collaborative works taken place among the EHMS from diagnostics, prognostics, maintenance, to maintenance history tracking. Depending on deployment needs, the system can operate as stand-alone systems or as an integrated module of the EHMS. As part of operation, the system provides logical network connection and be the broker of data between EHMS instances and between EHMS with onboard systems and other service applications06-23-2011
20080201611Defect Resolution Methodology Target Assessment Process - Embodiments of the invention are generally related to computer systems, and more specifically to the analysis of defects in computer software products. Defects uncovered during software testing may be stored in a data structure as data defects, code defects, or environment defects, along with further data describing a particular nature of the defects. The defects may be analyzed to determine a particular problem area causing the defects. If a particular class of defects is determined to be the dominant class of defects encountered during testing, an analysis path of that class of defects may be followed to determine a cause for the defects in the respective class. Therefore, corrective measures tailored to resolving the defects associated with the determined cause may be taken.08-21-2008
20110138230REDUNDANT CONTROL APPARATUS - First and second processing units execute the same control program to the same input data in parallel. An input/output unit generates the input data and receives one of two output data executed by the first and second processing units. A channel selection unit sends the input data to the first and second processing units and sends the one to the input/output unit by selecting the one from the two output data. In the first and second processing units, a control cycle synchronization unit generates a control cycle signal at a control cycle, a processor executes the control program, a data memory stores operation data including the input data, intermediate data being executed and output data executed by the processor. A diagnostics unit generates summary information by compressing the operation data and comparatively decides whether the summary information matches the other summary information of the other processing unit every control cycle.06-09-2011
20080209273Detect User-Perceived Faults Using Packet Traces in Enterprise Networks - Exemplary methods, computer-readable media, and systems for detecting a fault by a packet trace, includes monitoring at least one packet transmitted to or received from, an computing device of an end user, between one or more computing devices implementing at least one of a service or an application on an enterprise network. The process also includes identifying whether an abnormal condition occurred on the computing device of the end user based on monitoring at least one packet transmitted to or received from, the computing device of the end user; and detecting a fault by using an algorithm based on monitoring at least one packet transmitted or received from, the computing device of the end user; wherein the fault indicates a desired course of action did not occur while the computing device of the end user uses at least one of the service or the application in the enterprise network.08-28-2008
20090172474Network Diagnostic Systems and Methods for Light Levels of Optical Signals - A network diagnostic system may include a network diagnostic device. The network diagnostic device may be configured to receive data indicating a light level of an optical signal and to perform at least one network diagnostic function at least partially in response to the receipt of the data. A network diagnostic method may include detecting a light level of an optical signal; and performing at least one network diagnostic function at least partially in response to the detection of the light level of the optical signal. Exemplary network diagnostic functions may include triggering an alarm; triggering a capture of at least a portion of one or more network messages; storing data indicating the light level of the optical signal on a computer readable medium (e.g., for use in subsequent reports); and/or any other suitable network diagnostic function.07-02-2009
20120042209SYSTEM AND METHOD FOR ANALYZING DATA - A computer-implemented method, computer program product, and computing system for defining one or more failure conditions. Two of more executions are selected from a plurality of available executions based upon a simulation modeling file, thus defining two or more selected executions. A first of the two or more selected executions is executed while monitoring for the occurrence of the one or more failure conditions.02-16-2012
20120210172MULTIPROCESSOR SWITCH WITH SELECTIVE PAIRING - System, method and computer program product for a multiprocessing system to offer selective pairing of processor cores for increased processing reliability. A selective pairing facility is provided that selectively connects, i.e., pairs, multiple microprocessor or processor cores to provide one highly reliable thread (or thread group). Each paired microprocessor or processor cores that provide one highly reliable thread for high-reliability connect with a system components such as a memory “nest” (or memory hierarchy), an optional system controller, and optional interrupt controller, optional I/O or peripheral devices, etc. The memory nest is attached to a selective pairing facility via a switch or a bus.08-16-2012
20120005536METHOD AND SYSTEM TO PREVENT CHRONIC NETWORK IMPAIRMENTS - A method and system for managing performance over a multimedia content distribution network (MCDN), such as a digital subscriber line network, involves accessing a record of historical values of a network service parameter for a plurality of MCDN clients. The historical values may be analyzed to detect network impairment associated with an MCDN node. Network diagnostics may be initiated for MCDN clients associated with the MCDN node. The result of the network diagnostics may result in localizing a source of the network impairment.01-05-2012
20110167302DIAGNOSTIC DATA SET COMPONENT - Various embodiments for retaining diagnostic information for data in a computing storage environment are provided. In one such embodiment, a diagnostic component associated with a base data set via a catalog association record is initialized. The diagnostic component configured to retain base data set-specific diagnostic information retrievable by the computing storage environment to assist in error diagnosis.07-07-2011
20120017118METHOD AND APPARATUS FOR TESTING AN INTEGRATED CIRCUIT INCLUDING AN I/O INTERFACE - Methods and apparatus provide for testing an integrated circuit including an input/output (I/O) interface. The method and apparatus place the I/O interface in a test mode by test enabling logic. During the test mode, the method and apparatus also provide, by a clock generator in the I/O interface, an internal phase-aligned receiver clock signal to a plurality of transceivers in the I/O interface. The clock generator is a transmitter portion of one of the plurality of transceivers in the I/O interface. The method and apparatus then monitor for errors in loopback data from the plurality of transceivers in the I/O interface by an automatic test equipment (ATE). The phase of the internal phase-aligned receiver clock signal is aligned with the loopback data of the plurality of transceivers, and the frequency of the internal phase-aligned receiver clock signal may be above about 200 MHz.01-19-2012
20120023372Estimation method to evaluate a system reliability of a cloud computing network - An estimation method applies to evaluating a system reliability of a cloud computing network, and the steps thereof includes: providing a network model which sends data through at least two path between a cloud and a client; inputting a demand, a time constraint and a maintenance budget into the network model; providing plural capacity vectors corresponding to different states of the flow of the cloud computing network; selecting a first set of vectors from the capacity vectors for satisfying the demand and the time constraint; deleting the capacity vectors which do not meet the maintenance budget from the first set of vectors to form a second set of vectors; and computing an upper boundary of the system reliability based on the first set of vectors and an lower boundary of the system reliability based on the second set of vectors.01-26-2012
20120060060Techiniques increasing a lifetime of blocks of memory - Techniques are described for increasing a lifetime of blocks of memory. In operation, respective life expectancy scores for each of the blocks are calculated based at least in part on a respective number of times each of the blocks is respectively erased, and further based at least in part on at least one other factor that affects the lifetime of the blocks. An order to write and recycle the blocks is determined, based at least in part on at least some of the respective lifetime expectancy scores. A total amount of the blocks that are erased and written is minimized while lifetime expectancy score variation between the blocks is equalized.03-08-2012
20120030513Mechanism to Provide Assured Recovery for Distributed Application - A system and method is provided for providing assured recovery for a distributed application. Replica servers associated with the distributed application may be coordinated to perform integrity testing together for the whole distributed application. The replica servers connect to each other in a manner similar to the connection between master servers associated with the distributed application, thereby preventing the replica servers from accessing and/or changing application data on the master servers during integrity testing.02-02-2012
20120210173ERROR PROPAGATION IN A SYSTEM MODEL - Embodiments of the present subject matter can enable the analysis of signal value errors for system models. In an example, signal value errors can be propagated through the functional blocks of a system model to analyze possible effects as the signal value errors impact incident functional blocks. This propagation of the errors can be applicable to many models of computation including avionics models, synchronous data flow, and Kahn process networks.08-16-2012
20120159255Online Fault Verification In A File System - Data structure errors, or corruptions, identified during, e.g., normal computing device system processing, file system processing or user access processing, are verified prior to the file system identifying the error for offline correction or notifying the user or system administrator a data structure error exists. Identified data structure corruptions are verified while the file system volumes are maintained online and otherwise accessible to other processing tasks and user access. Verified data structure corruptions are logged for further corrective processing. Data structure corruptions that cannot be verified, i.e., false positives, are not further processed and are not identified to file system administrators or users as corruptions, freeing the file system to concentrate on normal processing and true, verifiable errors.06-21-2012
20120210174SENSOR CONTROL DEVICE AND SENSOR CONTROL METHOD - A sensor control device including an anomaly diagnosis section. When at least one of a first NO08-16-2012
20120159256File System Resiliency Management - Perceived corruptions encountered on file system volumes, and which cannot be initially remedied online, are processed to verify whether they are true, existing volume data structure corruptions or, alternatively, false positives. Upon the verification of one or more of a volume's corruptions, error scanning is performed to check for, and attempt to remedy online, all the existing corruptions on the volume. Subsequent to error scanning processing, if one or more verified corruptions continue to exist on a file system volume, at file system boot up time spot corruption correction is performed to attempt to remedy the existing, verified corruptions on the volume. Spot corruption correction is performed to attempt to correct verified data structure corruptions on a volume of the file system while the volume is maintained offline for the time necessary to attempt to correct its prior identified corruptions.06-21-2012
20120159257CONTROL COMPUTER AND REPORT MANAGEMENT METHOD USING THE SAME - A method for managing test reports of a system under test (SUT) using a control computer obtains an initial test report of the SUT, adds error logs of the initial test report in a defect library of a storage device of the control computer, and adds error causes and solutions corresponding to the error logs in a root cause library and a solution library of the storage device respectively. The method further adds the error causes and the solutions corresponding to the error logs in the initial test report, to generate an optimized report of the SUT.06-21-2012
20120072775METHOD OF COLLECTING INFORMATION IN SYSTEM NETWORK - To quickly establish an inferring result when a problem is detected in an operation management system equipped with a rule-based inference processing function, there is provided a method of collecting information for managing a computer system equipped with a plurality of devices. The computer system holds rule for associating a plurality of events with a conclusion output when all of the plurality of events have been detected. The method includes: executing, at a first interval, polling to obtain information indicating whether each of the plurality of events has been detected; judging whether the plurality of events have been detected; and executing, upon judgment that at least one of the plurality of events has been detected and none of the remaining events have been detected, before execution of next polling at the first interval, polling to obtain information indicating whether at least one of the undetected remaining events has been detected.03-22-2012
20120110384Source Identification of Compliance Errors in a Web Page with Custom Widgets - A mechanism is provided to automate the mapping so that custom widgets that cause compliance errors in the Web page can be identified automatically. The mechanism dynamically creates and inserts debug directives into the HTML code generated from a custom widget in a Web page so that a compliance error found in the generated code can be traced back to the custom widget that caused the error.05-03-2012
20110107149METHOD AND APPARATUS FOR IDENTIFYING ACCESS STATES FOR VARIABLES - A method, apparatus, and computer instructions in a processor for selectively performing operations on data. An operation to be performed on data is identified to form an identified operation. A determination is made as to whether metadata identifying a state of the data is associated with the data. A determination is made as to whether the identified operation can be performed on the data based on the state of the data, in response to the metadata being associated with the data. The operation is performed on the data if the state of the data allows for the operation to be performed. The processor selectively performs the operations based on the state of the data.05-05-2011
20100095158SYSTEM AND METHOD FOR SUPPLY CHAIN DATA MINING AND ANALYSIS - A method and system for supply chain data analysis. The method includes storing supply chain data including test data, genealogy data, repair data, some factors and some items, in one or more databases and selecting a portion of the factors from the stored data, and a time range for analysis. The method then selects one or more criterion for analysis; extracts a portion of the stored data; analyzes the extracted portion of the stored data to detect a combination of factors that result in a test failure, according to the selected factors, the time range, and the selected one or more criterion. The method then detects a root cause for the detected combination of factors; performs correlation analysis between the selected factors; and performs trend analysis on the selected factors.04-15-2010
20100095157PROBLEM ANALYSIS VIA MATCHING CONTIGUOUS STACK TRACE LINES TO SYMPTOM RULES - A method and system for analyzing a problem in a computing environment. Symptom rules that include associated problem information are generated in a symptom catalog. An input file including a stack trace provided in response to detecting the problem is received. Function names included in contiguous lines in the stack trace are identified. In response to a search for the function names in the symptom catalog, the function names found in the search are matched to keywords included in a symptom rule. The computing system retrieves problem information that corresponds to the matched keywords. A report is generated that includes the stack trace and a solution included in the retrieved problem information. The generated report uses a text attribute to emphasize the text of the function names included in the stack trace.04-15-2010
20110099428DYNAMIC FAULT ANALYSIS FOR A CENTRALLY MANAGED NETWORK ELEMENT IN A TELECOMMUNICATIONS SYSTEM - Model based fault analysing in a base station in a mobile telecommunication system, the base station having a fault manager and resources adapted to transmit fault indication signals to the fault manager. The fault analysing including functions for receiving into the fault manager a predetermined fault rule model of said resources in a fault rule configuration file; implementing a fault analysis algorithm of predetermined rules for analysing received fault indication signals dependent on said predetermined fault rule model; generating an analysis tree data structure dependent on the fault rule configuration file; receiving from one of said resources a fault indication signal indicating identification and classification information; retrieving an applicable fault rule in the analysis tree data structure dependent on said fault indication signal; evaluating the result of the retrieved fault rule applied on said fault indication signal; generating an alarm signal dependent on said result of the applied fault rule.04-28-2011
20110099427TIMER CIRCUIT AND TIMER METHOD - A timer circuit and a timer method are provided for a BIOS of an electronic device. The timer circuit includes a processing module, a setting module, and a display module. The processing module includes a microprocessor unit (MCU), a clock circuit 04-28-2011
20120233506REDUNDANT COMPUTING SYSTEM AND REDUNDANT COMPUTING METHOD - A redundant computing system is composed of two systems: a first arithmetic processing unit (A-system) and a second arithmetic processing unit (B-system) having the same functions. A diagnosis control unit performs diagnosis of one system while the other system is performing arithmetic processing operation. The diagnosis control unit controls the input to the first and second arithmetic processing units by way of an input control unit according to the diagnosis operation, and an output control unit controls the output from the first and second arithmetic processing units according to the diagnosis result. After termination of the diagnosis, a value is copied from a storage unit of the system which has not been diagnosed to a storage unit of the system which has been diagnosed, and the redundant computing system resumes the redundant operation.09-13-2012
20090132859SERVICE DIAGNOSTIC ENGINE AND METHOD AND SERVICE MANAGEMENT SYSTEM EMPLOYING THE SAME - A service management system and a method of performing service diagnostics. In one embodiment, the service management system includes: (1) a service description repository configured to contain service descriptions that define services in terms of end points that assume roles based on at least one of the capabilities and attributes thereof, (2) a diagnostic rule definition repository configured to contain diagnostic rules pertaining to problem areas regarding the services and (3) a diagnostic engine coupled to the service description repository and the diagnostic rule definition repository and configured to retrieve at least one diagnostic rule based on a subscriber, a service and a problem area, evaluate at least one diagnostic rule to produce at least one solution, retrieve data regarding end points associated with the service and return a possible solution.05-21-2009
20090132858ANALYZER, ANALYZING SYSTEM, AND COMPUTER PROGRAM PRODUCT - An analyzer for accepting an operation input of a user and analyzing an object includes a measuring section for measuring the object; and a controller, wherein the controller includes a memory under control of a processor, the memory storing instructions enabling the processor to carry out operations, comprising: (a) storing information related to a position stored with information related to an operation history of the user; (b) storing information related to a position stored with information related to failure; (c) storing the information related to the operation history of the user; and (d) storing the information related to the failure of the analyzer. A sample analyzing system and computer program product are also disclosed.05-21-2009
20120317442EMBEDDED DEVICE AND EMBEDDED SYSTEM - The redundancy that is effected by preparing a plurality of units of hardware of an identical configuration results in high costs, complicating the application of same to inexpensive products. The present invention detects a fault in a function that is provided via hardware upon an apparatus having a variety of components, such as a CPU, capable of changing content to be processed at the application level, and an FPGA, capable of changing the content to be processed. When a fault is thus detected, the invention uses configuration information of an apparatus either within the apparatus or within apparatuses upon the network to select an apparatus capable of serving as a substitute, selects software required to implement the function, carries out procedures for facilitating the use of the software upon the substitute hardware (i.e., downloading the software, loading the software into a memory region accessible to the hardware), and carries out the processing in substitution.12-13-2012
20120166883SYSTEM, PROGRAM, AND METHOD FOR COLLECTING ERRORS WHICH OCCUR WHILE A USER USES A COMPUTER - A method, computer program product, and computer system for collecting errors which occur while a user uses a computer includes collecting log information on an operating environment including an operating procedure from a computing device associated with a user; accumulating the collected log information; identifying, from the log information, a second operating procedure similar to the operating procedure, wherein the second operating procedure had an error occur and no longer includes the error, in response to receiving the log information corresponding to the operating procedure in which the error occurs; and providing the user with the second operating procedure included in the searched log information.06-28-2012
20120166881COMMUNICATION DEVICE, AND COMPUTER READABLE MEDIUM AND CONTROL METHOD FOR THE SAME - A communication device configured to be connected with a public network and an IP network is provided, the communication device including a communication controller that selectively performs one of a public line communication process via the public network and an IP communication process via the IP network. When determining that a redialing process to reattempt the IP communication process via the IP network is unlikely to be successfully performed, the communication controller performs a fallback process to attempt the public line communication process via the public network after switching from the IP communication process via the IP network to the public line communication process via the public network, in a situation where a setting for performing the fallback process is configured. When determining that the redialing process via the IP network is not unlikely to be successfully performed, the communication controller performs the redialing process.06-28-2012
20120166880INDEPENDENTLY BASED DIAGNOSTIC MONITORING - An independently based diagnostic system tests the execution of a processor. The processor is arranged to provide a diagnostic output that provides a pre-determined time-variant signal. The independently based diagnostic system has an independent basis from which to evaluate the pre-determined time-variant signal. The independent basis can be, for example, an independent time base that is separately generated from the processor time base used to clock the processor and/or an independent voltage source that is separate from the processor power supply. The independently based diagnostic system provides progressive notifications of the results of successive evaluations of the pre-determined time-variant signal.06-28-2012
20120166878Methods and Systems for Diagnosing Hardware and Software Faults Using Time-Stamped Events - A transportation vehicle including a high-resolution clock, an electronic network including two or more tasks, including first and second tasks, and a memory including instructions causing a processor to classify faults in the electronic network using the clock. The steps include receiving a first fault code generated at the first task, receiving a second fault trouble code generated at the second task of the electronic system in response to a second fault, and identifying an execution cycle offset associated with the first and second tasks using an execution schedule, and considering whether the first cycle is separated from the second cycle by the execution cycle offset identified by the schedule. The instructions also cause the processor to identify causal relationships for a plurality of faults via a pair-wise repetition of the above-described analysis for at least one combination of tasks other than the first and second tasks.06-28-2012
20100205485MEDICAL-INFORMATION COMMUNICATION-CONNECTION MANAGEMENT DEVICE AND A METHOD OF MANAGING A MEDICAL-INFORMATION COMMUNICATION CONNECTION - The present invention comprises a request sending part 08-12-2010
20100205484SYSTEM AND METHOD FOR DEMONSTRATING THE CORRECTNESS OF AN EXECUTION TRACE IN CONCURRENT PROCESSING ENVIRONMENTS - Since multi-core processors have become the standard architecture for general purpose machines, programmers are required to write software optimized for parallelism. Verification of correctness is an important issue for parallel code because of its complexity. There are still tools missing that provide verification for complex code, such as testing the execution of code provides. Consequently, described herein are systems and methods to evaluate the correctness of program traces. Furthermore, the systems and methods described herein do not demand excessive computational requirements and the size of the program trace being evaluated increases.08-12-2010
20120137180COMPUTING DEVICE AND SYSTEM ERROR DETECTION METHOD - In a system error detection method of a computing device, the computing device includes a graphics controller and a display screen. A frame of an image that is currently displayed on the display screen is obtained from a video memory of the graphics controller at regular intervals. The obtained image is compared with abnormal images of the display screen prestored in a storage system, to detect whether the computing device works abnormally. Characters of the obtained image are extracted when the computing device works abnormally. System errors of the computing device are detected by comparing the extracted characters with system error codes of the computing device that are stored in the storage system.05-31-2012
20110185234SYSTEM EVENT LOGS - An automated method of processing computer system event logs comprises receiving event messages associated with one or more system event logs, each event message including event text, determining a set of message clusters, each comprising a template text, representative of the event messages across the one or more event logs, and assigning each event message to a message cluster of the set, according to a measure of similarity between the respective event text of the event message and the template text of the message cluster.07-28-2011
20110185233AUTOMATED SYSTEM PROBLEM DIAGNOSING - Embodiments of the invention relate to automated system problem diagnosing. An index is created with problem description information of previously diagnosed problems, a diagnosis for each problem, and a solution to each diagnosis. System states, traces and logs are extracted from a source system with a new problem. The problem diagnosis system generates problem description information of the new problem from the system states, traces and logs. Problem description information of the new problem is compared with problem description information in the problem description index. A search score is computed for each document in the problem description index. The search score is a measure of similarity between each document in the index and the description of the new problem. A matching score is assigned to each previously diagnosed problems based on the search score. The matching score is a measure of similarity between the new problem and each previously diagnosed problem. The system determines a diagnosis and solution of the new problem based on a diagnosis and solution of one of the previously diagnosed problems.07-28-2011
20120173931TESTING AND MITIGATION FRAMEWORK FOR NETWORKED DEVICES - The present disclosure generally relates to the automated testing of a system that includes software or hardware components. In some embodiments, a testing framework generates a set of test cases for a system under test using a grammar. Each test case may perform an action, such as provide an input to the system under test, and result in an output from the system under test. The inputs and outputs are then compared to the expected results to determine whether the system under test is performing correctly. The data can then be interpreted in the grammar system or used as input to a fault isolation engine to determine anomalies in the system under test. Based on identified faults, one or more mitigation techniques may be implemented in an automated fashion.07-05-2012
20100275065DUAL-DUAL LOCKSTEP PROCESSOR ASSEMBLIES AND MODULES - Processor assemblies and modules are provided. One processor assembly includes first and second processors, and first and second input/output (I/O) interfaces coupled to the first and second processors. The first and/or second I/O interfaces are configured to compare outputs of the first and second processors, and render the first and second processors inactive if the outputs are different. One processor module includes first and second buses coupled to first and second processor assemblies. The first processor assembly includes first and second processors coupled to first and second I/O interfaces, wherein the first I/O interface is coupled to the first bus and the second I/O interface is coupled to the second bus. The second processor assembly includes third and fourth processors coupled to third and fourth I/O interfaces, wherein the third I/O interface is coupled to the first bus and the fourth I/O interface is coupled to the second bus.10-28-2010
20090089620Internet connectivity evaluation - Internet connectivity evaluation provides for easy, efficient and effective testing of the Internet connectivity behavior between an operating system hosted on a computing device and an IGD (Internet Gateway Device) interacting with the computing device. With a user's computing device communicating with one or more servers, or server-type devices, interacting with, or otherwise communicating with, the Internet, Internet connectivity evaluation can quickly and cost-effectively be performed to identify known major issues in the interaction between the operating system hosted on the user's computing device and an IGD.04-02-2009
20120185730DISTRIBUTED DEBUG SYSTEM - A distributed debug system including processing elements connected to perform a plurality of processing functions on a received data unit, a debug trap unit, a debug trace dump logic unit, and a debug initiator unit is provided. At least two of the processing elements include a debug trap unit that has a first debug enable input and output, and a first debug thread. The first debug thread holds at least a first debug trap circuit having a match signal output connected to the first debug enable output. The first debug trap circuit filters a part of the data unit, compares a filtering result with a debug value, and provides a match signal to the match signal output. The debug trace dump logic unit dumps debug trace data to a buffer associated with the data unit on reception of a match event. The debug initiator unit includes a debug initiator output connected to the first debug enable input of the debug trap unit of one processing element, and a debug initiator input connected to the first debug enable output of the debug trap unit of another processing element.07-19-2012
20120084606MANAGEMENT APPARATUS, METHOD FOR CONTROLLING SAME, AND STORAGE MEDIUM FOR SAME - A device management apparatus acquires the state of a device (image forming apparatus), and determines whether or not an error occurring in the image forming apparatus is the already-occurred error based on the change in the state of the image forming apparatus. When the error occurring in the image forming apparatus is an already-occurred error, the device management apparatus determines whether or not the error continues for a period of time equal to or longer than a predetermined period of time. When the error continues for a period of time equal to or longer than a predetermined period of time, the device management apparatus changes an error notification destination, and retransmits an electronic mail regarding the error to the changed notification destination.04-05-2012
20120221898SYSTEM AND METHOD FOR DETERMINATION OF THE ROOT CAUSE OF AN OVERALL FAILURE OF A BUSINESS APPLICATION SERVICE - An ontology is generated for a business application on an enterprise network that describes one or more nodes that communicate with each other during the execution of the business application. An alert condition of the business application is detected, and the ontology for the business application is processed to determine one or more components of the ontology that are in an alert state. Further, a root cause view that indicates the one or more alert state components is generated and displayed to a user.08-30-2012
20120221897Method and Device for Performing Failsafe Hardware-Independent Floating-Point Arithmetic - A method and device offering a software diversity of the cited type for floating-point arithmetic, which is applicable in a realtime environment, wherein the method and a device for high-performance validation of the calculation use floating-point numbers of any accuracy within the context of functional safety in accordance with International Electrotechnical Commission (IEC) standard 61508. The method utilizes a specific form of software diversity and has effects on both the runtime environment and the engineering environment.08-30-2012
20120226945PROVIDING AUTOMATIC RETRY OF TRANSACTIONS WITH DIAGNOSTICS - A method, system and computer program product for handling a unit of work in a transaction processing system, in which the system comprises one or more production regions operating minimal or no diagnostic functions and one or more diagnostic regions operating maximal or full diagnostic functions. A unit of work is received, which is routed to a production region. After receiving a notification that the work has failed, the work is routed to a diagnostic region.09-06-2012
20120226944STATIC DATA RACE DETECTION AND ANAYLSIS - Static data race analysis of at least a portion of a multi-threaded application in order to identify potential data race defects in the multi-threaded application. The static data race analysis includes intra-component static analysis as well as inter-component static analysis. The intra-component static analysis for a given component involves identifying a set of memory accesses operations in the component. For each of at least one of the set of memory access operations, the analysis determines whether there is a data race protection element associated with the memory access command.09-06-2012
20120226943SYSTEM AND METHOD TO EFFICIENTLY IDENTIFY BAD COMPONENTS IN A MULTI-NODE SYSTEM UTILIZING MULTIPLE NODE TOPOLOGIES - The exemplary embodiments of the present invention provide a method for efficiently identifying the bad component(s) in a multi-node system. The method includes assigning a unique ID to each of a plurality of nodes on the multi-node system, generating test statistics from a test on a plurality of nodes, and comparing the test statistics for the plurality of nodes against a first topology to generate a first number of clusters of bad nodes. The method further includes comparing the test statistics for the plurality of nodes against a second topology to generate a second number of clusters of bad nodes, and identifying the bad nodes by comparing the cluster sizes to a topology threshold.09-06-2012
20120260131SYSTEM-ON-CHIP WITH MASTER/SLAVE DEBUG INTERFACE - A System-on-Chip (SOC) debugging system comprising a plurality of SOCs connected to a shared bus, at least one of the plurality of SOCs being a master SOC and comprising a master/slave debug interface, wherein the master/slave debug interface is a bidirectional debug interface configured to initiate transactions on the shared bus and operable to send and receive debug data between the SOCs, wherein the debug data comprises trace data.10-11-2012
20080301502SYSTEM CRASH ANALYSIS USING PATH TRACING TECHNOLOGIES - Technologies, systems and methods for code path analysis of an executable including: generating call graphs and control flow graphs of selected functions in the executable, and instrumenting the selected functions to provide for logging of path trace information for the selected functions upon execution of the instrumented executable, the path trace information usable for efficient system crash analysis and debugging. A stack trace from a crash dump may be utilized in the selection of the functions to analyze.12-04-2008
20080301501Analyzing Problem Signatures - A method of analyzing problem data from a computer application is disclosed. The method evaluates a memory dump, identifying call stacks within the memory dump that are related to application failures, creates a hash of the identified call stack and adds the hash to a database. The database may then be evaluated to look for trends in the error data such as whether the same call stack is causing problems.12-04-2008
20120266025Tool for Analyzing Siebel Escripts - A method, system and computer program product for enabling automated analysis of an extracted eScript to identify one or more problems within a configuration and script. The eScript is extracted from a Siebel repository and received in a DAVID (Development Application Verification Information on Demand for Siebel application where the VB.NET application, called SiebelParser, is utilized to conduct the analysis of the eScript. Occurrences of issues within an eScript are detected by SiebelParser. Issues within the eScript may include one or more of: empty event handlers, explicit object release, setting field values utilizing hard coded values, unnecessarily activated fields, call to next record after a call to delete record, and functions containing unnecessary code. Results from the analysis are reported to one log file document. The results of SiebelParser's log file are later incorporated to a spreadsheet by DAVID, to provide a more readable output format.10-18-2012
20120239980AGGREGATION SYSTEM ERROR HANDLING - Aggregation apparatus that comprises a computer, a display controlled by the computer, and networking hardware connecting the computer to a network. The computer is programmed so that the aggregation apparatus connects to a plurality of sites on the Internet, authenticates itself with each of the sites, and attempts to retrieve information from said sites. The information comprises different data types. If no error is detected or trapped, an aggregation of information is produced and rendered as output. If an error is detected or trapped, an attempt is made to associate the error with an error code. If the error code is associated with the error, then the aggregation apparatus communicates an instruction to a user interface to trigger presentation of a message to take an action. If the error does not match an error code, an instruction is communicated to the user interface that a particular action has occurred.09-20-2012
20120239979RADIO DEVICE, COMMUNICATION CONTROL METHOD, AND RADIO COMMUNICATION SYSTEM - A test method which is performed by a computer, the test method includes reducing a first period of timer interruption to a second period by multiplying the first period by a prescribed coefficient; converting, by using the computer, a wait time of a task, which waits for processing operating asynchronously with the timer interruption, into a first periodicity which is obtained by dividing the second period; obtaining a second periodicity by dividing the first periodicity by the prescribed coefficient; and determining the timer interruption on the basis of the second periodicity.09-20-2012
20110047415DEBUGGING OF BUSINESS FLOWS DEPLOYED IN PRODUCTION SERVERS - Facilitating debugging of business flows deployed on a production server. An aspect of the present invention processes some service requests (received from a client system) in a normal mode and some other service requests in a debug mode concurrently, all according to a business flow. According to another aspect, the debug mode supports a single step debug operation, in which each step corresponds to a single activity of the business flow. Accordingly, an administrator of the production server is enabled to better determine, the problems in the execution of business flows deployed on a production server at runtime.02-24-2011
20110047414METHOD AND APPARATUS FOR CAUSE ANALYSIS INVOLVING CONFIGURATION CHANGES - A technique determines which configuration change(s) caused an application invocation failure of a computer application without the need for a knowledge database. To determine which configuration change is the most likely cause, the cause analysis program (02-24-2011
20120324291TIME-GAP DEFECT DETECTION APPARATUS AND METHOD - A programmatic time-gap defect correction apparatus and method corrects errors which may go undetected by a computer system. Buffer underruns or overruns, which may incur errors in data transfers, yet remain undetected and uncorrected in a computer system, are corrected by an error avoidance module in accordance with the invention. Bytes transferred to and from buffers, used by an I/O controllers to temporarily store data while being transferred between synchronous and asynchronous devices, are counted and an error condition is forced based on the count. If the count exceeds the capacity of the buffer, an error condition is forced, thereby reducing chances that errors are incurred into the data transfer.12-20-2012
20110225460CLIENT SESSION BASED DEBUGGING - Debugging operations on individual client sessions for a remotely executed shared application are enabled to be performed as the client requests are processed on the executing server without disrupting execution of other client sessions. A remote debugging client may connect to a debugging engine executed on the server allowing the debugging client to view source code, set breakpoints, view client connections, and receive callbacks or notifications when a breakpoint is hit by the client session being debugged. The debugging client may also control execution by stepping through client code enabling debugging of multiple clients simultaneously.09-15-2011
20110239053FLEXIBLE BUS ARCHITECTURE FOR MONITORING AND CONTROL OF BATTERY PACK - A method for diagnosing a control system for a stacked battery is disclosed. The control system comprises a plurality of processors, a plurality of controllers, and a monitoring unit (control unit). The method comprises sending a diagnostic information from the central unit to a top processor of the plurality of processors, transmitting a return information from the top processor of the plurality of processors to the central unit, comparing the diagnostic information sent from the central unit with the return information received by the central unit, and indicating a communication problem if the diagnostic information sent from the central unit is different from the return information received by the central unit. The steps are repeated by eliminating the top processor from a previous cycle and assigning a new top processor if there is no problem with the reconfigurable communication system.09-29-2011
20110239050System and Method of Collecting and Reporting Exceptions Associated with Information Technology Services - According to one embodiment of the present disclosure, a method of collecting and reporting exceptions associated with information technology services includes receiving exceptions associated with a service, including receiving exceptions associated with an infrastructure and exceptions associated with an application; formatting the exceptions into an exceptions list; correlating at least one of the exceptions associated with the infrastructure and at least one of the exceptions associated with the application to identify a service error condition; and storing the exceptions list and an identifier of the service error condition for presentation to a client associated with the service.09-29-2011
20120278657COMPUTING DIAGNOSTIC EXPLANATIONS OF NETWORK FAULTS FROM MONITORING DATA - A system and method for network fault diagnosis in a network having network elements is presented. The method comprises creating a network causality model, generating Boolean expressions from the network causality model, converting the Boolean expressions into SAT sets, receiving network monitoring results, correlating these monitoring results with the SAT sets, and enumerating all possible diagnostic explanations of potential faults, properly annotated. Creating a network causality model can comprise creating, for each network element, an element-specific causality model, stitching together all network elements using the element-specific causality models and a network topology, retrieving monitoring state and propagation information, and generating the network causality model using the stitched together network elements and the monitoring state and propagation information. Stitching together network elements can comprise adding causes and implies dependency between appropriate network elements and/or adding and connecting reachable and not-reachable states. The network causality model can comprise network element states.11-01-2012
20120278655DEBUGGING METHOD AND COMPUTER SYSTEM USING THE SAME - A debugging method for a computer system is disclosed, which includes defining a debug reference data area in a storage device for a BIOS and a control device, periodically transmitting a reply request including an identification information to the BIOS, transmitting reply information corresponding to the identification information according to the reply request, checking the reply information and storing an execution log data into the debug reference data area when the identification information does not conform to the original identification information, determining whether the computer system is in normal operation, and performing a debugging process according to the execution log data when the computer system is in abnormal operation.11-01-2012
20110276831Utilizing Input/Output Paths For Failure Detection And Analysis - Systems and methods for failure monitoring in a storage system. In some cases, a failed entity is detected based on an analysis of at least the indications obtained in return for input/output commands sent to multiple entities in the storage system. In some of these cases, it is also determined whether the failure is enduring or transient.11-10-2011
20120096316SYSTEM AND METHOD FOR DETERMINATION OF THE ROOT CAUSE OF AN OVERALL FAILURE OF A BUSINESS APPLICATION SERVICE - An ontology is generated for a business application on an enterprise network that describes one or more nodes that communicate with each other during the execution of the business application. An alert condition of the business application is detected, and the ontology for the business application is processed to determine one or more components of the ontology that are in an alert state. Further, a root cause view that indicates the one or more alert state components is generated and displayed to a user.04-19-2012
20110283145TECHNOLOGY INFRASTRUCTURE-CHANGE RISK MODEL - Apparatus and methods for reducing infrastructure failure rates. The apparatus and methods may compile and store data related to the physical devices and applications associated with an infrastructure change. Variables may be derived from the stored data using a range of methods and multiple variable values may be consolidated. A model may be developed based on the values and relationships of the derived variables. The model may be applied to assess the risk of a prospective infrastructure change.11-17-2011
20110320875INFORMATION TERMINAL AND INFORMATION PROCESSING METHOD - An information terminal includes a start processing unit of a central processing unit which executes restart processing and a notification unit which outputs reason information indicating a reason for executing the restart processing.12-29-2011
20110320874METHOD AND APPARATUS FOR ESTIMATING CANDIDATE CAUSE - A method for estimating a candidate cause in a failure occurred in an information processing apparatus by a computer, the method includes retrieving, by the computer, a first set of incident information from a data storage region on the basis of failure symptom data which is set on the computer, the data storage region storing incident information, each piece of the incident information including failure symptom data, first cause data of a positive judgment result of a cause in the failure, and second cause data of a negative judgment result of the cause in the failure, each of the first set including the failure symptom data identical to the set failure symptom data.12-29-2011
20110320873ERROR IDENTIFICATION - A method of identifying errors in a computing system operation is provided and includes identifying that a certain record of interest in system trace information has a number of entries that exceeds a predefined number and inferring from the excessive number of entries that a work unit associated with the certain record of interest is affected by an error.12-29-2011
20120102363AUTOMATING DIAGNOSES OF COMPUTER-RELATED INCIDENTS - A technique includes using a computer agent to observe diagnoses of computer-related incidents. Based on the observation, patterns are identified in the diagnoses, and based at least in part on the patterns, the diagnoses are selectively automated.04-26-2012
20120102362MANAGEMENT SYSTEM AND MANAGEMENT METHOD - The present invention realizes root cause analysis processing with a high certainty factor while holding down management cost. In the present invention, besides one or more condition events which could occur in a node apparatus, an additional event different from the condition events is introduced into an analysis rule for a root cause analysis. This analysis rule indicates a relation between the condition events and additional event and a conclusion event recognized as a failure factor according to satisfaction of the condition events and additional event. The additional event is a command for instructing execution of an action for acquiring additional information from the node apparatus according to a satisfaction state of the one or more condition events. A detected state is applied to the analysis rule, a certainty factor as information indicating possibility of occurrence of a failure in the node apparatus is calculated on the basis of satisfaction or non-satisfaction of the condition events and an execution result of the action, and a root cause analysis result is generated. The obtained root cause analysis result is output according to necessity.04-26-2012
20120102361HEURISTIC POLICY ANALYSIS - A system and method using statistical analysis for the process of analyzing and generating organizational policies is presented. This inventive method comprises, for one or more tests, using a test to calculate a test result for the policy based on current violator entities and potential violator entities, and determining a policy ranking for the policy based on the test result of the test, and evaluating the policy based on the policy rankings determined from the tests. The method can also comprise creating a repository comprising the policy rankings for the plurality of policies. The repository can be used to trend, benchmark, alert and improve the policies. The method can also comprise creating a rule profile for the one policy comprising the one policy, the current violator entities of the policy, the potential violator entities of the policy, the test results and the policy rankings from the tests.04-26-2012
20120331349COMPUTING DEVICE AND METHOD FOR DETECTING MEMORY ERRORS OF THE COMPUTING DEVICE - In a method for detecting memory errors occurring in a computing device, a channel number of an error memory module is obtained from a first register of a memory controller of the computing device. The method analyzes an error type to obtain a rank number of the memory module from one or more specified registers of the memory controller, and finds a serial number of a memory slot into which the memory module has been inserted. According to the serial number of the memory slot and a distribution list, the method can detect the memory slot which is carrying the memory module.12-27-2012
20120331348SYSTEMS AND METHODS OF IMPLEMENTING CONTENT VALIDATION OF MICROCOMPUTER BASED CIRCUITS - Systems and methods for remotely performing testing or scanning of boards, devices and/or systems across a network to validate code stored in the subject circuits, including validation of non-volatile storage such as Flash memory and volatile storage such as RAM, containing stable content of known patterns.12-27-2012
20120331347Restarting Event And Alert Analysis After A Shutdown In A Distributed Processing System - Methods, systems, and computer program products for restarting event and alert analysis after a shutdown in a distributed processing system are provided. Embodiments include identifying, by an incident analyzer, a shutdown condition of the distributed processing system; and determining, by the incident analyzer, whether the shutdown was a planned shutdown or an unplanned shutdown; if the shutdown was planned, storing, by the incident analyzer, an identification of the last event in an event log that was injected in an event queue at the time of the planned shutdown and restarting, by the incident analyzer, event and alert analysis using the next event identified in the event log; if the shutdown was unplanned, identifying, by the incident analyzer, a previously configured restart mode; selecting, by the incident analyzer, an identification of a restart event in the event log according to the previously configured restart mode; and restarting, by the incident analyzer, event and alert analysis using the restart event identified in the event log.12-27-2012
20120151266REAL TIME ERROR DETECTION IN MULTIMODAL COMMUNICATION SYSTEMS - Diagnostic data of a multimodal enhanced communication system is processed at a central diagnostic service by normalizing detected errors based on modalities, traffic volumes, and/or individual user patterns such that failures can be efficiently and accurately analyzed across the communication system. Configurable thresholds may be used for modality-specific logs, traffic volume normalized errors, and persistent user adjusted results to optimize alerts issued to administrators.06-14-2012
20120151265SUPPORTING CLUSTER LEVEL SYSTEM DUMPS IN A CLUSTER ENVIRONMENT - A method, system, and computer program product provides simultaneous debugging of multiple OS image and/or system dump pairs in a distributed storage repository. A management console receives a terminal debugging session request and a cluster selection from an interface and starts a debugger instance. The debugger instance autonomously identifies client LPARs and loads the system dump images assigned to the client LPARs. In response to receiving a selection of a first and second client LPARs, the debugger analyzes the first and second system dump images, respectively, and calculates relational information between the first analysis and the second analysis via one or more logical reasoning utilities of the management console. The debugger then loads the relational information to the management console interface with an analysis of one or more similarities between the first and second system dumps.06-14-2012
20130024730DISK CONTROL APPARATUS, METHOD OF DETECTING FAILURE OF DISK APPARATUS, AND RECORDING MEDIUM FOR DISK DIAGNOSIS PROGRAM - A disk control apparatus includes a processor, and a memory coupled to the processor in which executes a process as follows. The process includes diagnosing whether or not a failure has occurred on each of a plurality of disk apparatuses, determining, when the failure has occurred, whether or not the failure is a pre-defined failure, and excluding from diagnosis targets, when the failure is the pre-defined failure, a disk apparatus group included in a RAID together with a failed disk apparatus that is determined to have the pre-defined failure in the plurality of disk apparatuses.01-24-2013
20130173965FAULT TRACING SYSTEM AND METHOD FOR REMOTE MAINTENANCE - Provided is a fault tracing system and method for remote maintenance. The fault tracing method includes detecting faults by receiving error events or fault diagnosis request messages, generating transactions for the detected faults, tracing the faults according to the transactions, and notifying a client terminal or user of the fault diagnosis results. Accordingly, it is possible to accurately trace a fault even in a home/building network environment complicatedly consisting of various resources.07-04-2013
20080244318METHOD AND SYSTEM FOR PROACTIVE DRIVE REPLACEMENT FOR HIGH AVAILABILITY STORAGE SYSTEMS - Methods for preventing the failure of disk drives in storage systems are disclosed. A system and a computer program product for preventing the failure are also disclosed. Factors relating to the aging or early onset of errors in a disk drive are monitored. These factors are then compared to thresholds. In case the thresholds are exceeded, an indication for the replacement of the disk drive is given. Sudden rises in the factors are also used to indicate the impeding failure of disk drives.10-02-2008
20090106593System and Method for Bouncing Failure Analysis - A method for analyzing fault modes that may cause a fault is presented in which a multi-point analysis may be performed to identify multi fault modes that are interrelated in causing the fault. The method provides for easy and systematic switching from a top-down to bottom-up approaches of analysis to insure accurate and easy to perform multi-point analysis of the related fault modes.04-23-2009
20110246833Detecting An Unreliable Link In A Computer System - One embodiment of a system for analyzing reliability of a communication link comprises a link control component that controls the communication link, where the link control component couples to a processor and a diagnostic component. The diagnostic component is configured to determine whether transmission errors have occurred on the communication link exceeding or matching a first programmable threshold over a range of multiple periods of time that exceeds or matches a second programmable threshold.10-06-2011
20110246832PROCESSING APPARATUS, DATA MIGRATION METHOD, AND COMPUTER-READABLE RECORDING MEDIUM HAVING DATA MIGRATION PROGRAM RECORDED THEREON - By providing a unit storage area usage information calculation unit that calculates, during copy of data by a data copy control unit, usage information of a unit storage area in a storage unit that stores the data transferred from a migration source apparatus, as unit storage area usage information, and a comparison unit that compares data stored in the storage unit related to a unit storage area to be verified, selected based on the unit storage area usage information calculated, with data in the migration source apparatus related to the area to be verified, efficient and reliable data compare can be performed.10-06-2011
20130179736TICKET CONSOLIDATION - A method of ticket consolidation in computing environment may in one aspect analyze problem reports, determine whether problems reported by machines are caused by the same or substantially the same run-time configuration error or are occurring on the same physical server, and are within the given sensitivity time window, consolidate the problem tickets and increase the priority of the consolidated ticket.07-11-2013
20130145214ERROR DETECTION SYSTEMS AND METHODS - Error detection systems and methods are provided. An error detection system (06-06-2013
20130097459METHODS AND SYSTEMS FOR DISTRIBUTED DIAGNOSTIC REASONING - A method for distributed diagnostic reasoning is provided. The method includes establishing a computing node monitoring the operation of a component of a complex system and populating at least one of a processor and the memory of the computing node with one or more standardized executable application modules (SEAMs) and a workflow service. The method further includes creating a configuration file in combination with several SEAMS to create a distributed diagnostic reasoner (DDR) associated with the component. The method also comprises installing the configuration file in the computing node for execution by the processor; and initializing the one or more SEAMS, the configuration file and the workflow service, wherein the workflow service facilitates data flow between the one or more SEAMS and the static data associated with a fault condition resident in the configuration file.04-18-2013
20110276832METHOD FOR RECOGNISING SEQUENTIAL PATTERNS FOR A METHOD FOR FAULT MESSAGE PROCESSING - A method for processing a sequence of fault messages occurring in a device including many systems, makes it possible to discriminate between fault messages most likely originating from a real system fault and fault messages without any real fault in the associated system (no fault found), characterized in that the method combines: 11-10-2011
20130132777ANALYSIS OF SYSTEM TEST PROCEDURES FOR TESTING A MODULAR SYSTEM - The present invention relates to a method of determining an analyzing level for analyzing a system test procedure for testing a modular system having functional modules, comprising acquiring dependency data comprising dependency information describing at least one functional dependency of at least one functional module, acquiring change data comprising change information describing a change in a module test procedure for testing at least part of the at least one functional module located at a first system test level, acquiring impact data comprising impact information describing an impact of the change in the module test procedure on testing a functionality of the at least one functional module based on the dependency information and the change information, determining, based on the impact information, analyzing level data comprising analyzing level information describing an analyzing level being the system test level at which the system test procedure is analyzed.05-23-2013
20110219267METHODS AND DEVICES FOR CONFIGURATION VALIDATION OF A COMPLEX MULTI-ELEMENT SYSTEM - The object of the invention is in particular the validation of configuration of a system comprising a plurality of elements, at least one reference being associated with each element of the said plurality of elements. After at least one reference key has been calculated (09-08-2011
20110239052METHODS AND SYSTEMS FOR TROUBLESHOOTING REMOTE SYSTEMS THROUGH RECREATION OF REMOTE SYSTEM SCENARIOS - According to one embodiment, a debugging tool includes a processor and logic, that when executed by the processor, causes the processor to: receive a Volume Table of Contents (VTOC)/INDEX data set for a first VTOC/INDEX data of a remote system, create second VTOC/INDEX data (which is a replicated version of the first VTOC/INDEX data of the remote system) from the VTOC/INDEX data set, execute a second scenario (which is a replicated version of a first scenario that was executed on the remote system using the first VTOC/INDEX data that caused the error) using the second VTOC/INDEX data to reproduce an error, and set up trace points in the second VTOC/INDEX data to start a debugging session while executing the second scenario using the second VTOC/INDEX data. Other systems, methods, and computer program products are also described according to various other embodiments.09-29-2011
20130097460METHOD OF TESTING UNIVERSAL FLASH STORAGE (UFS) INTERFACE AND MEMORY DEVICE IMPLEMENTING METHOD OF TESTING UFS INTERFACE - A method is provided for performing a self-test on a memory device in a test mode, where the memory device includes a universal flash storage (UFS) link layer and a UFS physical layer having a transmitting unit and a receiving unit. The method includes generating a first signal; sending the first signal from a test unit through the UFS link layer to the transmitting unit in the UFS physical layer to be transmitted to the receiving unit; receiving a second signal at the test unit from the receiving unit in the UFS physical layer through the UFS link layer, the second signal being the first signal received by the receiving unit; and testing an operation performed by at least one of the UFS physical layer and the UFS link layer based on the first signal and the second signal.04-18-2013
20100318853TECHNIQUES FOR GATHERING EVIDENCE FOR PERFORMING DIAGNOSTICS - Techniques for performing diagnostics for a monitored system. In one embodiment, an aggregate model built using a set of models is used to determine a set of probes or tests to be executed for obtaining information related to the monitored system. The obtained evidence information is then applied to the aggregate model to perform diagnostics for one or more conditions detected in the monitored system.12-16-2010
20100318852VISUALIZATION TOOL FOR SYSTEM TRACING INFRASTRUCTURE EVENTS - A system and method for identifying a root cause of a wait in a computer system are provided. Given the identity of a thread of interest and time window, a longest wait period for the thread of interest within the time window is identified. The longest wait period is used as a starting node to generate a ready tree by walking backwards through the data in a system trace to construct a tree of readying events that ready threads for running on a processor. A potentially anomalous chain of events is automatically identified and highlighted in the ready tree. A visualization of the ready tree is presented to a user so that the user can explore the events in the tree and annotate the automatically generated tree to aid in problem diagnosis.12-16-2010
20130159776DATA PROCESSING APPARATUS AND METHOD FOR IDENTIFYING DEBUG EVENTS - A data processing apparatus has at least one circuit block accessible for debugging by a debugger, the block having a set of debug status registers and a debug event register which is set by the circuit block to indicate occurrence of a debug event. Debug interface circuitry interfaces with the set of debug status registers for each circuit block. The circuitry includes at least a first portion which is in a first power domain that remains in a fully powered state whilst the debugger is connected to the circuitry. Status registers are provided in a second power domain which transitions between the fully powered state and at least one low power state whilst the debugger is connected to the circuitry. Content of the debug status registers is only accessible to the debugger when the second power domain is in the fully powered state.06-20-2013
20130159777TESTING SYSTEM AND METHOD FOR TESTING ELECTRONIC DEVICE - A testing system for testing an under test electronic device, includes an error capturing and latching unit, a storage unit, and a control terminal. The error capturing and latching unit detects and captures running error signals of the under test electronic device. The storage unit stores the running error signals. The control terminal is connected to the storage unit. The control terminal picks out the running error signals from the storage unit and analyzes these signals.06-20-2013
20130159778OPERATIONS MANAGEMENT APPARATUS, OPERATIONS MANAGEMENT METHOD AND PROGRAM THEREOF - A candidate to cause a fault is identified, in case that correlation destruction is detected in some processing apparatuses or the like due to spread of the fault within a system.06-20-2013
20130185592AUTOMATIC PROBLEM DIAGNOSIS - For automatic problem diagnosis, a data collector module collects log data comprising code sets from a plurality of components in a data processing system. An analysis module translates the log data into at least one predefined symptom. Each symptom is associated with at least one code set of the log data. The analysis module selects from a knowledge base at least one problem that includes each symptom. The analysis module further calculates an influence factor for each problem, and ranks each problem from most likely to least likely based on the influence factor of the problem.07-18-2013
20130185593ADAPTIVE DEVICE-INITIATED POLLING - A method includes periodically sending a polling call to an enterprise system outside the firewall at a first polling rate during normal operating conditions, monitoring for a fault condition, periodically sending polling calls to the device outside the firewall at a second polling rate when a fault condition is detected, the second polling rate being higher than the first polling rate. The second polling rate is used as result of a fault condition. The method also includes sending a problem report with the polling calls when the fault condition is detected.07-18-2013
20130124923Device and Method for Detecting and Diagnosing Correlated Network Anomalies - A device detects and diagnoses correlated anomalies of a network. The device includes an anomaly detection module receiving a first data stream including an event-series related to the network. The anomaly detection module executes at least one algorithm to detect a potential anomaly in the event-series. The device further includes a correlating module receiving a second data stream including other event-series related to the network. The correlating module determines whether the potential anomaly is false and determines whether the potential anomaly is a true anomaly.05-16-2013
20130124922METHOD OF PROVIDING HIGH INTEGRITY PROCESSING - A method of providing synchronization and integrity checking in a high integrity processing system having at least two redundant processing lanes, with each lane having an application processor, with the application processors running the same application software in a non-lockstep configuration, and outputting transactions requiring access to an addressable space.05-16-2013
20110296244LOG MESSAGE ANOMALY DETECTION - One or more techniques and/or systems are disclosed for detecting anomalies in a message log. A log message is parsed from an unstructured text string to a structured form, comprising messages signature and parameter values. Structured log messages that contain a same parameter value of a same program variable are grouped together. One or more invariants for are identified from respective types of log message groups. Invariants are applied to log sequences of respective log types.12-01-2011
20110314340Correlating trace data streams - A data processing apparatus is provided with trace circuitry for generating a plurality of trace streams including an instruction trace stream 12-22-2011
20110314339SYSTEMS FOR AGILE ERROR DETERMINATION AND REPORTING AND METHODS THEREOF - According to one embodiment, a method for handling errors includes detecting that an error has occurred in a machine in a system, determining an error ID associated with the error, determining that the error should be reported to a host system for further analysis based on the error ID, determining that one or more actions should be taken by the system based on the error ID, and sending information corresponding to the error to the host system after it is determined that the error should be reported to the host system. In another embodiment, a system includes a processor and logic for performing the method. According to another embodiment, a computer program product includes a computer readable storage medium having computer readable code embodied therewith for performing the method. Other methods, systems, and computer program products are also described according to more embodiments.12-22-2011
20110314338DATA COLLISIONS IN CONCURRENT PROGRAMS - Described are techniques for detecting data collisions between a first portion and a second portion of an application executing on a computer, the first portion and the second portions executing concurrently with respect to each other. While the first portion and second portion are executing, before the first portion accesses a memory location shared by the first portion and the second portion, a value stored in the memory location is captured and the first portion is delayed. While the second portion continues to execute the first portion is delayed. After a period of the first portion having been paused or slowed, the current content of the memory location is compared with the captured content to determine if there is a data collision. The first and second portions may be threads, and the capturing, delaying, and determining may be performed by code inserted to the application after it has been compiled.12-22-2011
20110314337Method and Apparatus for Locating Input-Model Faults Using Dynamic Tainting - Approaches based on dynamic tainting to assist transform users in debugging input models. The approach instruments the transform code to associate taint marks with the input-model elements, and propagate the marks to the output text. The taint marks identify the input-model elements that either contribute to an output string, or cause potentially incorrect paths to be executed through the transform, which results in an incorrect or a missing string in the output. This approach can significantly reduce the fault search space and, in many cases, precisely identify the input-model faults. By way of a significant advantage, the approach automates, with a high degree of accuracy, a debugging task that can be tedious to perform manually.12-22-2011
20110314336Physical Failure Analysis Guiding Methods - A method includes providing a plurality of failure dies, and performing a chip probing on the plurality of failure dies to generate a data log comprising electrical characteristics of the plurality of failure dies. An automatic net tracing is performed to trace failure candidate nodes in the failure dies. A failure layer analysis is performed on results obtained from the automatic net tracing. Physical failure analysis (PFA) samples are selected from the plurality of failure dies using results obtained in the step of performing the failure layer analysis.12-22-2011
20130191690IN SITU PROCESSOR RE-CHARACTERIZATION - A re-characterization process is provided that adjusts one or more operating parameters of a processor to improve the health (e.g., reduce errors) of the processor. The parameters include voltage and/or clock frequency, as examples. The processor can be an inactive or active processor for which the re-characterization process is performed. It is performed, in one instance, by a hardware controller in real-time.07-25-2013
20120290881Using Central Direct Memory Access (CDMA) Controller to Test Integrated Circuit - In an embodiment, an integrated circuit includes a direct memory access (DMA) controller configured to perform DMA operations between peripheral components of the integrated circuit and/or a memory to which the integrated circuit is configured to be coupled. Combinations of memory-to-memory, memory-to-peripheral, and peripheral-to-memory operations may be used. The DMA controller may be programmed to perform a number of DMA operations concurrently. The DMA operations may be programmed and performed as part of testing the integrated circuit during design and/or manufacture of the integrated circuit. The DMA operations may cause many of the components in the integrated circuit to be busy performing various operations. In some embodiments, programmed input/output (PIO) operations may also be performed while the DMA operations are in progress. In some embodiments, various parameters of the DMA operations and/or PIO operations may be randomized.11-15-2012
20120290880Real-Time Diagnostics Pipeline for Large Scale Services - Real-time diagnostics may be provided. A plurality of data feeds may be aggregated from at least one of a plurality of nodes. Upon determining that at least one element of at least one of the data feeds meets a trigger condition, an action associated with the trigger condition may be executed.11-15-2012
20130198571System and Method of Computation by Signature Analysis - A system and method for processing data for use with a microcontroller having a processing unit provides for sending an input data address to a memory as part of a read request for input data stored in the memory, receiving the input data from the memory, generating a plurality of trace signals, generating a first plurality of signatures based upon the plurality of trace signals, receiving a second plurality of corresponding signatures from a second microcontroller, comparing each signature of the first plurality of signatures to each corresponding signature of the second plurality of corresponding signatures, generating a first error signal if the comparison produces at least one mismatch, and utilizing the first error signal to generate one or more disable signals for disabling operation of one or more devices under control of the microcontroller.08-01-2013
20120066549Editing and Compiling Business Rules - A component in a graph-based computation having data processing components connected by linking elements representing data flows is updated by receiving a rule specification, generating a transform for transforming data based on the rule specification, associating the transform with a component in the graph-based computation, and in response to determining that a new rule specification has been received or an existing rule specification has been edited, updating the transform associated with the component in the graph-based computation according to the new or edited rule specification. A computation is tested by receiving a rule specification including a set of rule cases, receiving a set of test cases, each test case containing a value for one or more of the potential inputs, and for each test case, identifying one of the rule cases that will generate an output given the input values of the test case.03-15-2012
20130205170Methods, Apparatus and Systems for Performing Dynamic Fault Tree Analysis - Disclosed is a dynamic fault tree analysis system including a fault tree module associated with a mission critical system (mcs), wherein said fault tree module includes at least one item characterized by an initial probability density function (pdf), at least one threshold value associated with the mcs, a sampling module to transform the initial pdf to a heterogeneous pdf (hpdf), wherein the hpdf includes at least one continuous segment and at least one discrete segment, and wherein transition between segments is at least partially based on the at least one threshold; and a stochastic simulator to determine the probability of an mcs failure condition by analyzing the fault tree module using the heterogeneous pdf.08-08-2013
20130205171FIRST AND SECOND MEMORY CONTROLLERS FOR RECONFIGURABLE COMPUTING APPARATUS, AND RECONFIGURABLE COMPUTING APPARATUS CAPABLE OF PROCESSING DEBUGGING TRACE DATA - An apparatus and a method for processing debugging trace data for a reconfigurable computing apparatus take advantage of a first mode and a second mode of the reconfigurable computing apparatus being mutually exclusive, wherein first instructions associated with a loop operation are executed in the first mode, and second instructions associated with a general operation other than the loop operation that can be processed in parallel are executed in the second mode, so that, without the need for an additional memory, debugging trace data can be efficiently stored using a first memory configured to store configuration information for use in configuring a connection path between processing elements arranged in a reconfigurable unit in the first mode, and a second memory from which an instruction word including a plurality of the second instructions is fetched in the second mode.08-08-2013
20120304013Administering Event Pools For Relevant Event Analysis In A Distributed Processing System - Methods, systems, and computer program products for administering event pools for relevant event analysis are provided. Embodiments include assigning, by an incident analyzer, a plurality of events to an events pool; determining, by the incident analyzer, an event suppression duration; determining, by the incident analyzer in dependence upon event analysis rules, to suppress events having particular attributes indicating the events occurred during the event suppression duration; and suppressing, by the incident analyzer, each event assigned to the events pool having the particular attributes indicating the events occurred during the event suppression duration.11-29-2012
20130091386ADMINISTERING EVENT POOLS FOR RELEVANT EVENT ANALYSIS IN A DISTRIBUTED PROCESSING SYSTEM - Methods, systems, and computer program products for administering event pools for relevant event analysis are provided. Embodiments include assigning, by an incident analyzer, a plurality of events to an events pool; determining, by the incident analyzer, an event suppression duration; determining, by the incident analyzer in dependence upon event analysis rules, to suppress events having particular attributes indicating the events occurred during the event suppression duration; and suppressing, by the incident analyzer, each event assigned to the events pool having the particular attributes indicating the events occurred during the event suppression duration.04-11-2013
20130091385USER-COORDINATED RESOURCE RECOVERY - A computing system resource recovery method can include identifying a resource manager associated with a computing transaction, classifying the computing transaction to determine a predetermined metric, measuring an actual metric of the computing transaction, comparing the predetermined metric to the actual metric to detect abnormal behavior in the transaction and modeling the abnormal behavior to determine how the resource manager is affected by the abnormal behavior.04-11-2013
20130212437Item-Level Restoration and Verification of Image Level Backups - Systems and methods for item-level restoration from and verification of an image level backup without fully extracting it. The method receives backup parameters and selection of an image level backup to restore or verify and initializes virtual storage. The method attaches the virtual storage to a hypervisor to launch a virtual machine (VM) to test and restore data objects. The method stores VM virtual disk data changes resulting from restoration and verification in a changes storage. The method optionally reconfigures VMs to use an isolated network. The method optionally uses a routing appliance to provide access to VMs running in the isolated network from a production network. The method determines if the VM operating system (OS) is able to start using restored copies of selected data objects and tests applications associated with selected data objects. The method displays restoration and test results in an interface and automatically delivers the results.08-15-2013

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