Patent application number | Description | Published |
20110060759 | Data De-Duplication in a Distributed Network - A computer-implemented method for efficient data storage is provided. A first storage medium associates data stored on one or more data storage media with a unique identification value (ID) for the purpose of determining de-duplication status of the data. In response to receiving a request to read the data from a logical address, the first storage medium retrieves the data from a second storage medium based on the unique ID. In response to receiving a request to write the data to a logical address, the one or more data storage media store at least one copy of the data based on the de-duplication status of the data. | 03-10-2011 |
20110191557 | SYNCHRONIZING DATA STORAGE SYSTEMS IN A DATA STORAGE ENVIRONMENT - A method for synchronizing data storage systems is provided. The method comprises designating a relationship between a first data storage system and a second data storage system, such that data stored in the first data storage system is copied to the second data storage system, in response to determining that the data stored in the first data storage system has been modified; receiving a first request to modify data stored in a first data block of a first storage volume in the first data storage system, wherein the data block is modified according to the first request; determining that the first data block has not been successfully synchronized when the modified data stored in the first data block is not copied to the second data storage system; and executing a process to retry synchronization of the first data block until synchronization of the first data block is successful, without suspending the relationship while the process is executed. | 08-04-2011 |
20140059018 | DATA DE-DUPLICATION IN A DISTRIBUTED NETWORK - A computer-implemented method for efficient data storage is provided. A first storage medium associates data stored on one or more data storage media with a unique identification value (ID) for the purpose of determining de-duplication status of the data. In response to receiving a request to read the data from a logical address, the first storage medium retrieves the data from a second storage medium based on the unique ID. In response to receiving a request to write the data to a logical address, the one or more data storage media store at least one copy of the data based on the de-duplication status of the data. | 02-27-2014 |
Patent application number | Description | Published |
20100274520 | CREATION OF TEST PLANS - Test plan to be utilized in a testing phase may be generated based on an initial test plan. A functional coverage model may be derived from the initial test plan. Modifications to the test plan may be automatically determined based on predetermined rules and parameters. Restrictions over possible combinations of values may be determined based on analysis of uncovered test activities in the initial test plan. Restrictions may be determined based on values of test activities in the initial test plan. Restrictions and modifications determined according to the disclosed subject matter may be indicated to a user for confirmation thereof. | 10-28-2010 |
20110314450 | ANALYZING COMPUTER CODE DEVELOPMENT ACTIONS AND PROCESS - A method that may include: monitoring over time, actions carried out by at least one programmer over a software development environment to yield development patterns; comparing the development patterns to best practice rules to yield a comparison results indicating deviations of the development patterns from the best practice rules; and analyzing the comparison results based at least partially on a likelihood of each action deviated from the respective best practice rule to result in a software bug, to yield an analysis of potential software bug prone code sections, wherein at least one of the monitoring, the comparing, and the analyzing is executed by at least one processor. | 12-22-2011 |
20120191634 | STORAGE POLICY EVALUATION IN A COMPUTING ENVIRONMENT - Systems and methods for generating a storage policy for a storage system are provided. The method comprises receiving a target function applicable to a storage system having one or more data storage mediums, wherein the target function represents values for storage parameters associated with productivity or loss tolerance in the storage system; implementing one or more simulation rules according to the received target function; generating one or more storage operation requests to access data on said one or more data storage mediums based on said one or more simulation rules; submitting said one or more storage operation requests to the storage system for processing; analyzing simulation results obtained for the storage system, in response to the storage system processing said one or more storage operation requests; and generating one or more storage policies, by a machine learning entity, in response to analyzing the simulation results. | 07-26-2012 |
Patent application number | Description | Published |
20080313109 | SYSTEM, METHOD AND COMPUTER PROGRAM PRODUCT FOR EVELUATING A STORAGE POLICY - A method for generating a storage policy, the method includes: receiving a storage system target function; and generating, by a machine learning entity, the storage policy in response to: (a) a set of file-related storage operation requests, (b) a state of the storage system before responding to the set of file-related storage operation requests, and (c) the storage system target function. A method for evaluating a storage policy, the method includes: simulating an application of the storage policy by the storage system during a first period, in response to a set of file-related storage operation requests that was provided to the storage system during the first period, to provide a simulation result; wherein the first period starts before the simulating. | 12-18-2008 |
20090043826 | Method for Reliably Updating A Data Group In A Read-Before-Write Data Replication Environment Using A Comparison File - A method is disclosed for reliably updating a data group in a read-before-write data replication environment. The method reliably updates the data group by receiving an updated data group sent from a first storage medium to a second storage medium, comparing the updated data group with a previous data group previously existing on the second storage medium and writing the updated data group to the second storage medium. The read-before-write and differencing method disclosed maintain reliability by storing multiple copies of changes made to the second storage medium during and after the write process. | 02-12-2009 |
20090055832 | SYSTEM, METHOD AND COMPUTER PROGRAM PRODUCT FOR EVALUATNG A TEST OF AN ALTERNATIVE SYSTEM - A method for checking an alternative system test, the method includes: determining a relationship between (i) utilization of resources during an execution of a group of programs by a first system when operating in a non-testing mode and (ii) utilization of resources during an executive of an alternative system test by the alternative system; wherein the alternative system test comprises at least on program of the group of programs. | 02-26-2009 |
20090070383 | IDEMPOTENT STORAGE REPLICATION MANAGEMENT - A method for managing operations in a data storage system comprising at least a first storage controller operating according to a plurality of operation states set by a managing entity is provided. The method comprises the first storage controller performing a first operation associated with a first operation state, in response to the managing entity updating state information stored in a data structure readable by the first storage controller. | 03-12-2009 |
20090249116 | MANAGING WRITES RECEIVED TO DATA UNITS THAT ARE BEING TRANSFERRED TO A SECONDARY STORAGE AS PART OF A MIRROR RELATIONSHIP - Provided are a method, system, and article of manufacture for managing writes received to data units that are being transferred to a secondary storage as part of a mirror relationship. Synchronization information indicates data units to transfer from a primary storage to a secondary storage, wherein the synchronization information data is updated to indicate the transfer of one of the data units from the primary storage to the secondary storage. A storage controller receives a write request having an update to a target data unit comprising one of the data units indicated in the synchronization information that has not been transferred from the primary storage to the secondary storage. The write request is allowed to apply the update to the target data unit in response to transferring the data in the target data unit to a network adapter of the storage controller and before the data in the target data unit is transferred to the secondary storage. | 10-01-2009 |
20120117347 | INITIALIZING OF A MEMORY AREA - A method for initializing a memory area, the method includes: receiving a request to access a first memory sub area of a first memory area that comprises multiple memory sub areas; and initializing the first memory sub area if a first memory area initialization indicator differs from a first memory sub area initialization request indicator; wherein the first memory area initialization request indicator is a multiple bit variable indicative of a time of a last request to initialize the first memory area and the first memory sub area initialization indicator is a multiple bit variable indicative of a time of a request to initialize the first memory area that resulted in a last initialization of the first memory sub area. | 05-10-2012 |
20120331449 | DEVICE, METHOD AND COMPUTER PROGRAM PRODUCT FOR EVALUATING A DEBUGGER SCRIPT - A method for evaluating a debugger script, the method includes: (i) receiving a debugger script that includes a first debugger breakpoint that is associated with a certain program line number; and determining a validity of the first debugger breakpoint in response to a comparison between expected content associated with the first debugger breakpoint and between an actual content of at least a portion of a certain program line group that comprises a certain program line identified by the certain program line number. | 12-27-2012 |
20130014087 | SYNCHRONIZATION COVERAGE IN LOGIC CODE - A method for enhancing synchronization coverage for a logic code is provided. The method comprises tracking whether one or more code sections in the logic code are blocked by at least another code section in the logic code, or whether one or more code sections in the logic code are blocking at least another code section in the logic code, during one or more test runs; and including one or more delay mechanisms in the logic code to introduce a delay in execution of a first code section in the logic code, wherein length of introduced delay is dependent on whether the first code section was blocked by a second code section or whether the first code section was blocking the second code section. | 01-10-2013 |
20130247062 | VERIFYING SYNCHRONIZATION COVERAGE IN LOGIC CODE - A computer implemented system and method for measuring synchronization coverage for one or more concurrently executed threads is provided. The method comprises updating an identifier of a first thread to comprise an operation identifier associated with a first operation, in response to determining that the first thread has performed the first operation; associating the identifier of the first thread with one or more resources accessed by the first thread; and generating a synchronization coverage model by generating a relational data structure of said one or more resources, wherein a resource is associated with at least the identifier of the first thread and an identifier of a second thread identifier, such that the second thread waits for the first thread before accessing said resource. | 09-19-2013 |
Patent application number | Description | Published |
20080263296 | SYSTEM, METHOD AND COMPUTER PROGRAM PRODUCT FOR STORING AN INFORMATION BLOCK - A method for storing an information block that includes determining to store a current version of an information block stored in a memory unit. The checking if a current version of the information is already stored in a storage unit. The current version of the information block is sent from the memory unit to the storage unit if the answer is negative. Generating storage unit location information indicative of a location, at the storage unit, of the current version of the information block if the answer is positive. | 10-23-2008 |
20090177713 | SYSTEM, METHOD AND COMPUTER PROGRAM PRODUCT FOR MANAGING A GROUP OF COPIES OF A DATA ENTITY - A method for managing a group of targets is provided. The method includes: receiving a request to update a x'th generation copy of a data entity, where x is a positive integer. Then applying an update function responsive to x such as to update a first sub-group of targets. Then receiving a request to read a y'th generation copy of the data entity and (iv) applying a retrieve function responsive to y such as to search for the y'th generation copy of the data entity in a second sub-group of targets. The first and second sub-groups intersect only once and only if y does not exceed x. | 07-09-2009 |
20090177731 | VIRTUAL STATE MACHINE FOR MANAGING OPERATION REQUESTS IN A CLIENT SERVER ENVIRONMENT - A method of managing operations performed in a client-server environment comprises receiving a set of commands; executing a first command in the set, wherein the first command is associated with a second command; and executing the second command, in response to determining that a first event has occurred. | 07-09-2009 |
20090178030 | SYSTEM, METHOD AND PROGRAM FOR EXECUTING A DEBUGGER - A method for controlling a debugger, the method includes: determining whether to execute a certain breakpoint of the debugger in view of certain breakpoint conditional information and in view of at least one previous visit, during the execution of the debugger, to at least one other breakpoint of the debugger; and selectively executing the certain breakpoint in response to the determination. | 07-09-2009 |
20110202904 | Hierarchical aggregation system for advanced metering infrastructures - A coverage analysis tool may determine coverage in respect to heterogeneous coverage tasks associated with different hierarchy levels of a tasks hierarchy. The coverage analysis tool may iteratively refine coverage tasks to determine coverage of sub-tasks. In some cases, coverage tasks may be unrefined in order to reduce overhead of coverage analysis in performance of the software under test, such that the software under test may perform in an essentially similar manner as in non-testing mode. | 08-18-2011 |