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Hitachi, Ltd.

Hitachi, Ltd. Patent applications
Patent application numberTitlePublished
20120036330COMPUTER SYSTEM AND DATA MIGRATION METHOD - With a computer system having a host computer and first and second storage apparatuses, the second storage apparatus virtualizes first logical units in the first storage apparatus and provides them as second logical units to the host computer, collects configuration information about each first logical unit, and sets each piece of the collected configuration information to each corresponding second logical unit. The host computer adds a path to the second logical units and deletes a path to the first logical units. The second storage apparatus copies data stored in the first logical units to a storage area provided by the second storage device and associates the storage area with the second logical units.02-09-2012
20120036323STORAGE APPARATUS AND CONFIGURATION SETTING METHOD - This storage apparatus has a plurality of physical devices for storing data sent from a host system, and includes a physical device group setting unit for setting a physical device group from the plurality of physical devices based on a policy file which lists matters to be operated and set by an administrator as parameters in advance, and information on the physical devices, a first logical device setting unit for setting a first logical device from the physical device group based on information on the physical device group and the policy file set with the physical device group setting unit, and a second logical device setting unit for setting a second logical device from the first logical device based the information on the first logical device and the policy file set with the first logical device setting unit.02-09-2012
20120036258STORAGE NETWORK SYSTEM, MANAGING APPARATUS, MANAGING METHOD AND PROGRAM - A management computer includes a memory storing toplogical information including identifiers of ports of computers, storage apparatuses, and switches. The management computer includes a processor, which is configured to: collect a plurality of performance information of the ports, and a plurality of access times from computer ports to the storage apparatuses; evaluate that a certain access time among the plurality of access times exceeds a predetermined allowable range; search a first access path to which the certain access time corresponds; search at least one second access path starting from a first computer port on the first access path; and search performance information of certain ports which are on the at least one second access path in order to display the searched performance information.02-09-2012
20120034507Electricity Storage Module and Electricity Storage Device Equipped Therewith - An electricity storage module includes a casing 02-09-2012
20120033475POWER CONVERSION APPARATUS - Technology leading to a size reduction in a power conversion apparatus comprising a cooling function and technology relating to enhancing productivity and enhancing reliability necessary for commercial production are provided. Series circuits comprising an upper arm and lower arm of an inverter circuit are built in a single semiconductor module 02-09-2012
20120032539Permanent Magnet Rotating Machine - A permanent magnet rotating machine has a stator, in which armature windings are formed in a plurality of slots formed in a stator iron core, and also has a rotor, in which two magnet insertion slots are formed for each pole in a rotor iron core in a V shape when viewed from the outer circumference of the rotor and one permanent magnet is embedded in each magnet insertion slot with polarity alternating for each pole; a wall at one end of the magnet insertion slot on the external diameter side of the rotor is formed with three arcs having different curvatures, one of the three arcs being parallel to the outer circumference of the rotor, and a wall at the other end of the magnet insertion slot on the internal diameter side of the rotor is formed in an arc shape.02-09-2012
20120031103Combustor and the Method of Fuel Supply and Converting Fuel Nozzle for Advanced Humid Air Turbine - A fuel control device and method of a gas turbine combustor, for advanced humid air turbines, in which plural combustion units comprising plural fuel nozzles for supplying fuel and plural air nozzles for supplying air for combustion are provided. A part of the plural combustion units are more excellent in flame stabilizing performance than the other combustion units. A fuel ratio, at which fuel is fed to the part of the combustion units is set on the basis of internal temperature of the humidification tower and internal pressure of the humidification tower to control a flow ratio of the fuel fed to the plural combustion units.02-09-2012
20120030675COMPUTER SYSTEM - In scheduling shared processing that has a higher priority than LPAR processing, giving precedence to physical CPUs running idle LPARs prevents prolonged hold-up of LPAR processing. In a system is comprised of multiple physical CPUs, multiple LPARs to which these physical CPUs are allocated and which execute programs under their guest OSes, and a management program managing these LPARs, a few additional units are introduced: a guest OS monitoring unit that can grasp the states of guest OSes running on these LPARs and a dispatcher unit that allocates one of these physical CPUs to shared processing requested by the management program, which has a higher priority than LPAR processing. When a request for shared processing arises, the dispatcher unit interrogates the guest OS monitoring unit and, based on the information obtained from it, gives priority of allocation to the physical CPU processing an idle LPAR.02-02-2012
20120030442MANAGEMENT SYSTEM AND MANAGEMENT METHOD FOR MANAGING COMPUTER SYSTEM - A management system, coupled to a computer system including one or more types of storage apparatus, stores management information. The management information includes: (a) information containing, for each request by an administrator, information indicating a storage function (a function of a storage apparatus) required in order to achieve a function satisfying the administrator request; and (b) information containing, for each storage apparatus, information indicating storage functions. The management system: (A) receives a request of an administrator; (B) identifies an implementation pattern including a storage apparatus having a storage function required to achieve a function satisfying the received administrator request, on the basis of the information (a) and (b), and (C) performs setup in order to achieve a function satisfying the received administrator request, in respect of any of the identified one or more implementation patterns.02-02-2012
20120030440STORAGE SYSTEM GROUP INCLUDING SCALE-OUT STORAGE SYSTEM AND MANAGEMENT METHOD THEREFOR - A management system is coupled to a storage system group including a scale-out storage system (a virtual storage system). The management system has storage management information, which includes information denoting, for each storage system, whether or not a storage system is a component of a virtual storage system. The management system, based on the storage management information, determines whether or not a first storage system is a component of a virtual storage system, and in a case where the result of this determination is affirmative, identifies, based on the storage management information, a second storage system, which is a storage system other than the virtual storage system that includes the first storage system, and allows a user to perform a specific operation only with respect to this second storage system.02-02-2012
20120030427Cache Control Method, Node Apparatus, Manager Apparatus, and Computer System - Disclosed is a computer system that includes a first apparatus, which stores data and metadata in a storage, and multiple units of a second apparatus, which store a copy of data and metadata in the first apparatus in a cache. The first apparatus acquires throughput achieved when the units of the second apparatus access the data in the storage as first access information, acquires throughput achieved when the units of the second apparatus access data thereof as second access information, and selects either a first judgment mode or a second judgment mode in accordance with the first access information and the second access information. This reduces the amount of network traffic for metadata acquisition, thereby increasing the speed of data access.02-02-2012
20120030384STORAGE SUBSYSTEM - The correspondence of the respective ports and the respective microprocessors is dynamically changed based on the load of the respective microprocessors. When an open port MP including a plurality of ports connected to a host computer receives an I/O request from the host computer via a port, it specifies an MPPK to become the transfer destination of the I/O request, and transfers the I/O request to the specified MPPK. Each MP belonging to the MPPK that received the I/O request selects either an exclusive mode where a single MP exclusively performs the processing of the I/O request, or a share mode where two or more MPs share the processing of the I/O request. Each MP selects the exclusive mode or the share mode corresponding to when load information concerning the ports shows a low load or high load condition, respectively, and executes the I/O processing accordingly.02-02-2012
20120030346METHOD FOR INFERRING EXTENT OF IMPACT OF CONFIGURATION CHANGE EVENT ON SYSTEM FAILURE - A management system, which manages multiple monitoring target apparatuses, computes a certainty factor denoting the probability that a certain configuration change is the root cause of a performance failure that has occurred in a certain monitoring target apparatus based on rule information, computer system performance information, and a configuration change history, and displays management information from the standpoint of the configuration change based on the computation result.02-02-2012
20120028630Base Station and Cellular Wireless Communication System - A femtocell base station collects the terminal distribution within the cell and selects terminals to represent the cell-center and the cell-edge from among the terminals within the cell. The femtocell base station also calculates maximum transmit power for the respective the cell-center and cell-edge terminals allowable by the macrocell base station. The femtocell base station sets the respective transmit power of the cell-center and the cell-edge in a range that will not exceed the maximum transmit power, adjusts the transmit power control parameter to allow control by the terminal at the power value that was set, and notifies the terminal. Communication with high throughput can in this way be attained for terminals in cells within the femtocell base station during uplink communications to the femtocell base station, and interference applied to the terminals in the macrocell base station can be suppressed.02-02-2012
20120025769Battery System for Vehicle - A battery system for a vehicle is provided with discharge circuits (R02-02-2012
20120024517Heat Cycle System - A heat cycle system includes: a refrigerating cycle system that circulates a refrigerant; a medium circulation circuit that includes a circulation pump for circulating a heat-transfer medium, and adjusts a temperature of a temperature control target with the heat-transfer medium; a heat exchanger that executes heat exchange between the refrigerant in the refrigerating cycle system and the heat-transfer medium in the medium circulation circuit; and a volume altering unit that alters a volume of the heat-transfer medium circulating in the medium circulation circuit.02-02-2012
20120023305COMPUTER SYSTEM AND STORAGE CONTROL METHOD OF THE SAME - A computer system dynamically assigns the storage capacity from pool volumes to the access target in the higher-level system, and can immediately respond to the change of the status of the pool comprising the pool volumes. A control device sets the access target for the host computer to access, each time a write to the access target occurs from the host computer, from the pool assigned to the access target to the write area of the access target. The control device performs the processing of assigning the storage capacity from the logical volume in the pool. The control device defines the logical volumes in advance, compiles the same into a management group as a preliminary for the pool and, in accordance with the change of the pool status, adds the logical volumes from the management group to the pool.01-26-2012
20120023301COMPUTER SYSTEM AND ITS CONTROL METHOD - Provided is a system in which, when connecting an external storage apparatus to a primary storage apparatus, the setting of an external volume to be mapped to the primary storage apparatus can be set to the external storage apparatus by a volume creation request to the primary storage apparatus without requiring direct setting processing on the external storage apparatus. When an administrator registers, in the primary storage apparatus, a command for setting a volume to the external storage apparatus and the administrator executes processing for setting a volume to the primary storage apparatus, if the primary storage apparatus determines that it is necessary to create a volume in the external storage apparatus, the primary storage apparatus sends the registered command to the external storage apparatus so that the administrator can set the volume to the external storage apparatus via the primary storage apparatus.01-26-2012
20120023292STORAGE APPARATUS AND STORAGE CONTROL METHOD FOR THE SAME - A storage apparatus and its control method capable of implementing thin provisioning and reducing power consumption of storage devices are provided.01-26-2012
20120023290STORAGE SYSTEM CONFIGURED FROM PLURALITY OF STORAGE MODULES AND METHOD FOR SWITCHING COUPLING CONFIGURATION OF STORAGE MODULES - There are a loose coupling and a tight coupling as the coupling configurations for a first module and a second module. The loose coupling is a coupling configuration in which the first and second modules are coupled together by way of a front-end path, and the first module is not able to access a second storage resource. The tight coupling is a coupling configuration in which the first and second modules are coupled together by way of a back-end path, and the first module is able to access the second storage resource. A switch from the loose coupling to the tight coupling is performed using the following processing flow without the first and second modules being partitioned into respectively independent storage modules. Specifically, first, the first and second modules are coupled together by way of the back-end path, and next, the first module merges information denoted by second management information from the second storage resource with first management information via the back-end path.01-26-2012
20120023287STORAGE APPARATUS AND CONTROL METHOD THEREOF - This storage apparatus has a disk-shaped storage device for storing data sent from a host system, and includes a nonvolatile memory device for storing the data, a controller for controlling the reading or writing of the data sent from the host system from or into the disk-shaped storage device, and a device controller for controlling the nonvolatile memory device and the disk-shaped storage device. The device controller replicates data stored in the disk-shaped storage device to the nonvolatile memory device according to the usage of the disk-shaped storage device. The controller reads data from the nonvolatile memory device when the controller receives a data read request from the host system and corresponding data is stored in the nonvolatile memory device.01-26-2012
20120023233METHOD FOR EXECUTING MIGRATION BETWEEN VIRTUAL SERVERS AND SERVER SYSTEM USED FOR THE SAME - For each of multiple migration policies, a server system 01-26-2012
20120023146STORAGE SYSTEM AND METHOD OF CONTROLLING SAME - Data migration is efficiently executed with optional timing. A file server outputs an instruction to a CPU of a storage apparatus to migrate a file belonging to Tier 1 to Tier 2 when, based on policy information, a condition for migrating the file belonging to Tier 1 to Tier 2 is fulfilled. Based on the instruction from the file server, the CPU copies the data of migration target files in Tier 1 from a page to a Tier 1 virtual page, copies the data which has been copied to the Tier 1 virtual page 01-26-2012
20120020357TRANSPORT CONTROL SYSTEM AND TRANSPORT CONTROL SERVER - A transport control server (01-26-2012
20120019813WAVEFRONT ABERRATION MEASURING METHOD AND DEVICE THEREFOR - Measurement cannot be made when trying to measure a wavefront aberration of a wide-angle lens, being wide in a field of view, comparing to a focus distance, by a Shack-Hartmann sensor, since an inclination of the wavefront exceeds an allowable value of inclination of the Shack-Hartmann sensor.01-26-2012
20120019204Car Navigation System - If a route has not yet been set in a car navigation apparatus, and when a vehicle approaches a specific crossing or a charging station located ahead of a current-driving road, or when remaining charge of a battery becomes less, the navigation apparatus retrieves and displays information about charging stations of the respective branching directions. When the vehicle approaches a specific crossing, the navigation apparatus guides information for indicating whether or not a charging station is present, a distance, and whether or not the vehicle can reach the charging station with respect to each of directions branched from the specific crossing. Also, when a charging station is located ahead of the road, the navigation apparatus retrieves charging stations of the respective branching destinations at a specific crossing located in front of the road, and judges whether or not the vehicle can be driven up to the respective retrieved charging stations.01-26-2012
20120018807SEMICONDUCTOR DEVICE, METHOD FOR MANUFACTURING SAME, AND SEMICONDUCTOR STORAGE DEVICE - In an SOI-MISFET that operates with low power consumption at a high speed, an element area is reduced. While a diffusion layer region of an N-conductivity type MISFET region of the SOI type MISFET and a diffusion layer region of a P-conductivity type MISFET region of the SOI type MISFET are formed as a common region, well diffusion layers that apply substrate potentials to the N-conductivity type MISFET region and the P-conductivity type MISFET region are separated from each other by an STI layer. The diffusion layer regions that are located in the N- and P-conductivity type MISFET regions) and serve as an output portion of a CMISFET are formed as a common region and directly connected by silicified metal so that the element area is reduced.01-26-2012
20120017600Combustor Control Method and Combustor Controller - Provided are a combustor control method and a combustor controller capable of calculating the combustion air flow and the fuel flow in multi-shafts gas turbine with high precision and without the need of performing complicated calculations and thereby calculating a fuel-air ratio necessary for stable combustion control. The multi-shaft gas turbine is made up of a gas generator turbine and a power turbine. Combustors includes a diffusive combustion units and a plurality of premixed combustion units. An ignition/extinction control unit of the combustor control device calculates the combustion air flow supplied to the combustors based on the open position of compressor inlet guide vanes attached to the gas generator turbine, revolution speed of the gas generator turbine and compressor inlet temperature, calculates the flow of fuel supplied to the combustors based on revolution speed of the power turbine, and calculates the fuel-air ratio in real time as flame reference based on the calculated combustion air flow and fuel flow.01-26-2012
20120017258COMPUTER SYSTEM, MANAGEMENT SYSTEM AND RECORDING MEDIUM - The present invention prevents the deterioration of security while maintaining usability in a case where a plurality of policies are applied to a client computer. Policies created by respective management servers 01-19-2012
20120017104COMPUTER AND POWER MANAGEMENT SYSTEM FOR COMPUTER - The power consumption of a computer is dynamically managed independent of the OS or applications and without any delay time caused by system control. A blade server has server blades each including a processor, a power-saving control unit and a power sensor unit; a power supply box that supplies power to the server blades; and a single service processor which defines an electric current consumption upper limit value in the power sensor unit via the power-saving control unit of each server blade. When the electric current consumption of the server blades exceeds the electric current consumption upper limit value, a signal outputted by the power sensor unit is communicated to the processor, the operating frequency of the processor is controlled, and the maximum average power is controlled to be at or below the power consumption upper limit value.01-19-2012
20120017061METHODS AND APPARATUS FOR CONTROLLING DATA BETWEEN STORAGE SYSTEMS PROVIDING DIFFERENT STORAGE FUNCTIONS - A system comprises a plurality of storage systems, which provides different storage functions, and is controlled by a management server. The management server determines whether to change the control of the storage controller between the storage systems, or to mount the target volume as an external volume and keep the storage controller under control so that the storage function provided to the source volume is maintained even after the configuration change between the storage systems. After the determination, the management server instructs the storage system to perform according to the determination.01-19-2012
20120017054STORAGE SUB-SYSTEM AND METHOD FOR CONTROLLING THE SAME - The present invention provides means for effectively reducing the amount of data by means of de-duplication in a disk array apparatus having a data guarantee code. A control means for the disk array apparatus that adds a data guarantee code to each logical data block and checks the data guarantee code when reading data has a de-duplication performing function and control means for: generating LA substitution information for a function checking the data guarantee code or read data location address substitution information when performing the de-duplication and storing data; performing the de-duplication using the above-mentioned information when reading data; and thereby avoiding false diagnosis of the data guarantee code check.01-19-2012
20120017042STORAGE CONTROL APPARATUS AND STORAGE SYSTEM COMPRISING MULTIPLE STORAGE CONTROL APPARATUSES - A storage system has multiple disk controller (DKC) units that are coupled to one another in accordance with a coupling mode that satisfies the following (a1) through (a3): 01-19-2012
20120017033STORAGE SYSTEM AND STORAGE CONTROL APPARATUS PROVIDED WITH CACHE MEMORY GROUP INCLUDING VOLATILE MEMORY AND NONVOLATILE MEMORY - A storage system is provided with a plurality of physical storage devices and a storage control apparatus that is coupled to the plurality of physical storage devices. The storage control apparatus is provided with a first cache memory group provided with a first volatile memory and a first nonvolatile memory and a second cache memory group provided with a second volatile memory and a second nonvolatile memory. The storage control apparatus executes a double write for writing the write target data from the host device to both of the first volatile memory and the second volatile memory, and notifies the host device of the write completion in the case in which the double write is completed. The storage control apparatus backs up data from the first volatile memory to the first nonvolatile memory while an electrical power is supplied from the primary power source. The storage control apparatus backs up data from the second volatile memory to the second nonvolatile memory while an electrical power is supplied from the secondary power source to the second volatile memory in the case in which an electrical power supply from the primary power source is stopped.01-19-2012
20120016994DISTRIBUTED SYSTEM - In a distributed cluster environment in which multiple pieces of business processing are performed in one system, an individual load distribution method can be selected according to the prioritization in each business processing and the processing capability of a distributed node for executing the processing, the automatic adjustment of the threshold value of the load determined by a user is tried in load distribution, and even when the performances of bases of nodes which constitute the distributed cluster environment are not particularly uniform, it is possible to make the best use of resources in the distributed cluster environment by parallel execution.01-19-2012
20120014778Sealing Device for Steam Turbines and Method for Controlling Sealing Device - Subject: To provide a sealing structure, and control method therefor, which improve sealing performance between a rotating region and a fixed region, prevent fins from being damaged, and prevent increases in the amount of steam leakage from any clearances newly formed by further abrasion of an abradable material.01-19-2012
20120014272Communication Control Server, Base Station, Terminal and Coordinated Service System and Method - A communication control server of the present invention comprises: a network interface; a memory unit in which a cluster information table and a channel state information table are stored; a channel state information recovery unit acquiring a feedback message of a user equipment within a cluster from a base station via a network interface, wherein the cluster information table holds a joint codebook shared by the base stations within the cluster, wherein the joint codebook holds an identifier for determining channel state information and a distribution of the channel state information, and wherein the feedback message includes an identifier corresponding to the channel state information of the user equipment.01-19-2012
20120012955MAGNETIC MEMORY - Provided is a magnetic random access memory to which spin torque magnetization reversal is applied, the magnetic random access memory being thermal stable in a reading operation and also being capable of reducing a current in a wiring operation. A magnetoresistive effect element formed by sequentially stacking a fixed layer, a nonmagnetic barrier layer, and a recording layer is used as a memory element. The recording layer adopts a laminated ferrimagnetic structure. The magnetic memory satisfies the expression M01-19-2012
20120011510METHOD AND SYSTEM FOR CONTROLLING COMPUTER RESOURCES - A computer resource control system for running business applications on virtual computers within a business computer by using computer, virtual computer, network, and storage resources, the system comprises a collection process section for periodically collecting the dynamically changing information about the use of each resource when business applications run on the virtual computers within the business computer; a resource recovery process section for calculating the amounts of resources required for the operations of the business applications periodically in accordance with the dynamically changing information about the use of each resource, which is gathered by the collection process section, allocating the calculated amounts of resources to the resources of each virtual computer, and recovering any extra resources; and a resource allocation process section for allocating the extra resources, which are recovered by the resource recovery process section, to the virtual computers in accordance with the priorities of the business applications.01-12-2012
20120011418PACKET ENCODING METHOD TO PROVIDE UNEQUAL ERROR PROTECTION TO USERS AND/OR APPLICATIONS DATA - Embodiments of the invention provide a packet encoding scheme to ensure unequal error protection to different bits in a packet or in multiple packets. In one embodiment, a method to process bits in a bit stream comprises scrambling the bit stream; separating the scrambled bit stream into a high priority bit stream with an order of high priority bits from left to right and a low priority bit stream with an order of low priority bits from left to right; rearranging the bits by embedding the high priority bits in the low priority bit stream while preserving the two orders, the rearranged bit stream including blocks of bits, each block including one or more high priority bits disposed left of corresponding one or more low priority bits to provide protection for the high priority bits against noise which is at least equal to protection for the low priority bits; and modulating the rearranged bit stream using Gray encoding method to produce an encoded bit stream.01-12-2012
20120011392TAKE OVER METHOD FOR COMPUTER SYSTEM - A proposed fail over method for taking over task that is preformed on an active server to a backup server, even when the active server and the backup server have different hardware configuration. The method for making a backup server take over task when a fault occurs on a active server, comprises steps of acquiring configuration information on the hardware in the active server and the backup server, acquiring information relating the hardware in the backup server with the hardware in the active server, selecting a backup server to take over the task that is executed on the active server where the fault occurred, creating logical partitions on the selected backup server, and taking over the task executed on the active server logical partitions, in the logical partitions created on the selected backup server.01-12-2012
20120011339STORAGE CONTROL APPARATUS AND CONTROL METHOD FOR VIRTUAL LOGICAL VOLUME - A controller 01-12-2012
20120011336METHOD OF CONTROLLING INFORMATION PROCESSING SYSTEM AND INFORMATION APPARATUS - A storage resource is effectively utilized in migration of a snapshot. First de-duplication efficiency which is de-duplication efficiency of snapshot data, and second de-duplication efficiency which is de-duplication efficiency of snapshot entities created on the basis of the snapshot data are calculated and compared with each other. Based on a result of the comparison as well as a first preservation period set for the snapshot in the migration source and a second preservation period set for the snapshot in the migration destination, one of the following methods is selected: a first method of migrating an snapshot image, a second method of migrating snapshot data to an archive storage system, and a third method of migrating data materialized from a first differential volume, a second differential volume, and a switch snapshot.01-12-2012
20120011333Storage System Construction Managing Device And Construction Management Method - The device of the present invention manages changes in the construction of a storage system in a unified manner, and optimally disposes resources. The servers are logically divided into a plurality of virtual servers, the switches are logically divided into a plurality of zones, and the storage devices are logically divided into a plurality of virtual storage devices. The respective logical devices are respectively managed by respective managing parts. These respective managing parts are connected to a managing device via a network used for management. The managing device re-disposes resources in application program units on the basis o the load states of the respective resources in the storage system.01-12-2012
20120011329STORAGE APPARATUS AND STORAGE MANAGEMENT METHOD - Pages and files are placed in appropriate storage tiers by comprehensively judging the significance of the pages and files.01-12-2012
20120011326STORAGE SYSTEM AND METHOD FOR CHANGING CONFIGURATION OF CACHE MEMORY FOR STORAGE SYSTEM - The configuration of a cache memory can be changed while minimizing the influence over input-output performance with a host system on the active storage system.01-12-2012
20120011321METHOD AND SYSTEM OF COLLECTION PERFORMANCE DATA FOR STORAGE NETWORK - This invention provides a user or an operator with a management apparatus or method for displaying logical connection information between an interface connected to a computer and a switch and a storage system or a logical unit in the storage system in a virtual storage system, wherein the switch receives a first access request from said computer, converts said first access request to a second access request to one of said plural storage systems, and sends said second access request to one of said plural storage systems or one logical unit.01-12-2012
20120011315STORAGE SYSTEM - A RAID group is not configured from a plurality of storage devices. A storage area of a storage device is provided directly to a virtual volume instead of providing a logical volume inside the RAID group to the virtual volume. The storage system, upon receiving a write request with respect to a virtual storage area, first, specifies a data redundancy configuration (the number of data partitions and the number of created parities) and a RAID level set to a virtual volume including this virtual storage area. From among storage devices selected in accordance with specified RAID level and redundancy configuration for this virtual storage area, a storage area is selected that is not allocated to any virtual storage area, and allocates this storage area to this virtual storage area. The storage system partitions the data and writes this data together with the parity to this allocated storage area.01-12-2012
20120011311STORAGE SYSTEM FOR CONTROLLING ASSIGNMENT OF STORAGE AREA TO VIRTUAL VOLUME STORING SPECIFIC PATTERN DATA - A storage system comprises a storage medium including a plurality of physical storage areas. The storage system controls a host computer to recognize a logical volume having a plurality of virtual storage areas, reads the data from the physical storage area assigned to the virtual storage area of the logical volume, determines whether or not the read data includes only the specific pattern data, and cancels the assignment of the physical storage area to the virtual storage area if the read data includes only the specific pattern data.01-12-2012
20120011240METHOD AND APPARATUS FOR MANAGING VIRTUAL PORTS ON STORAGE SYSTEMS - A storage system is configured to create and manage virtual ports on physical ports. The storage system can transfer associations between virtual ports and physical ports when a failure occurs in a physical port or a link connected to the physical port so that a host can access volumes under the virtual ports through another physical port. The storage system can also change associations between virtual ports and physical ports by taking into account the relative loads on the physical ports. When a virtual machine is migrated from one host computer to another, the loads on the physical ports in the storage system can be used to determine whether load balancing should take place. Additionally, the storage system can transfer virtual ports to a remote storage system that will take over the virtual ports, so that a virtual machine can be migrated to remote location.01-12-2012
20120011173METHOD AND PROGRAM OF COLLECTING PERFORMANCE DATA FOR STORAGE NETWORK - In a storage network including at least a computer system, at least an external storage and at least a network system for communication of input/output data between the computer system and the external storage, a method of collecting the performance data on the network system and the software operated on the network system, in which the range or degree of data collection is automatically adjusted as required based on the performance data collected.01-12-2012
20120010808Driving Support System - A driving support system includes a lane detecting unit for detecting lanes around a vehicle, a route correcting unit for correcting a route along which the vehicle is expected to travel taking into consideration an obstacle on the route after the route has been recognized by lanes detected by the lane detecting unit, and a control unit for controlling the vehicle on the basis of the positional relation between the corrected route determined by the route correcting unit and the vehicle.01-12-2012
20120008544MULTI-HOP RELAY RADIO COMMUNICATION SYSTEM, ACCESS GATEWAY, AND ROUTE SELECTION METHOD - A multi-hop relay wireless communication system provided with an AGW (01-12-2012
20120008357Capacitor Module, Power Converter, Vehicle-Mounted Electrical-Mechanical System - A capacitor module in which the structure of a connecting portion is highly resistant against vibration and has a low inductance. The capacitor module includes a plurality of capacitors and a laminate made up of a first wide conductor and a second wide conductor joined in a layered form with an insulation sheet interposed between the first and second wide conductors. The laminate comprises a first flat portion including the plurality of capacitors which are supported thereon and electrically connected thereto, a second flat portion continuously extending from the first flat portion while being bent, and connecting portions formed at ends of the first flat portion and the second flat portion and electrically connected to the exterior.01-12-2012
20120008280Electric Circuit Device, Electric Circuit Module, and Power Converter - The present invention provides an electric circuit device in which it is possible to achieve simultaneously the improvement of cooling performance and reduction in operating loss due to line inductance. The above object can be attained by constructing multiple plate-like conductors so that each of these conductors electrically connected to multiple semiconductor chips is also thermally connected to both chip surfaces of each such semiconductor chip to release heat from the chip surfaces of each semiconductor chip, and so that among the above conductors, a DC positive-polarity plate-like conductor and a DC negative-polarity plate-like conductor are opposed to each other at the respective conductor surfaces.01-12-2012
20120006914HIGH PRESSURE FUEL PIPE CONSTRUCTION FOR AN INTERNAL COMBUSTION ENGINE - A high pressure fuel pipe construction for an internal combustion engine, such as a direct injection engine. A conduit for the fuel is open at each end and a ball having a throughbore is slidably positioned over one end of the conduit. A reinforcing sleeve is positioned inside the end of the conduit so that the sleeve extends entirely through the ball. The sleeve, ball and the end of the conduit are then brazed together to attach the ball and conduit together. A double chamfer is provided at one end of the ball throughbore to facilitate inspection of the brazing quality. Additionally, a loop is formed in the conduit and a dampener is attached to the loop.01-12-2012
20120005998Elevator Wire Rope - In an elevator wire rope 01-12-2012
20120005668STORAGE CONTROLLER COUPLED TO STORAGE APPARATUS - A storage controller comprises a cache storage used as a cache of an external storage and a control processor coupled to the cache storage. The control processor comprises an internal access function and an external access function. The internal access function transmits a read command to the cache storage. The cache storage determines whether the read target data complying with the read command is stored in a physical storage device or not. If the result of the determination is negative, the external access function is executed while, if the result of the determination is positive, the external access function is not executed because the cache storage transmits the read target data to the internal access function without issuing a request to the external access function.01-05-2012
20120005609MANAGEMENT SYSTEM AND MANAGEMENT SYSTEM CONTROL METHOD - The present invention makes it possible to set a monitoring method for each of a plurality of monitoring-targeted objects. A node, such as a server, and a component, which is included in the node, are monitoring-targeted objects. An information acquiring part 01-05-2012
20120005453INFORMATION PROCESSING DEVICE AND DATA SHREDDING METHOD - An object is to enable efficient shredding of recording media in association with migration. An information processing device (a server device 01-05-2012
20120005447APPARATUS FOR REALLOCATING LOGICAL TO PHYSICAL DISK DEVICES USING A STORAGE CONTROLLER AND METHOD OF THE SAME - A storage controller calculates an access frequency of each logical disk; that is selects a first logical disk device of which the access frequency exceeds a first predetermined value, the first logical disk device being allocated to a first physical disk device; selects a second logical disk device which has the access frequency equal to or less than a second predetermined value, the second logical disk device being allocated to a second physical disk device; and reallocates the first and second logical device; and reallocates the first and second logical devices to the second and the first physical disk device, respectively.01-05-2012
20120005446STORAGE CONTROLLER - Provided is a storage controller that will not impair the operation of a storage control system even when a new storage area is added to a pool corresponding to an AOU volume. This storage controller includes a logical volume accessible by a host system; a pool associated with the logical volume and including one or more physical storage areas configuring a storage area of the logical volume; and a memory for storing attribute information showing an attribute of a physical storage area included in the pool; wherein the controller is configured to add a new physical storage area to the pool based on the attribute information.01-05-2012
20120005440STORAGE SUBSYSTEM AND ITS CONTROL METHOD - A new storage tier is added to a plurality of storage tiers configured in storage areas of a plurality of types of storage devices, whose processing performance is different from each other, without changing its operation form.01-05-2012
20120005435MANAGEMENT SYSTEM AND METHODS OF STORAGE SYSTEM COMPRISING POOL CONFIGURED OF ACTUAL AREA GROUPS OF DIFFERENT PERFORMANCES - A storage system comprises multiple virtual volumes (VVOLs) and multiple pools. Each pool is configured of multiple actual area groups of different performances. The storage system accesses actual areas assigned to virtual areas identified by access commands from an access source. A controller manages pool condition information which is the information showing which actual area is assigned to which virtual area and the access load related to the virtual areas. The management system of the storage system comprises management information showing a performance requirement and a performance for each VVOL. The performance of a VVOL is the performance identified with reference to the pool condition information. The management system, with reference to the management information, identifies a VVOL whose condition is inappropriate and, for changing the condition of the identified VVOL from inappropriate to appropriate, performs migration procedure related to the pool made to correspond to the above-mentioned identified VVOL.01-05-2012
20120005430STORAGE SYSTEM AND OWNERSHIP CONTROL METHOD FOR STORAGE SYSTEM - Access to various types of resources is controlled efficiently, thereby enhancing the throughput. A storage system includes: a disk device for providing a volume for storing data to a host system; a channel adapter for writing data from the host system to the disk device via a cache memory; a disk adapter for transferring data to and from the disk device; and at least one processor package including a plurality of processors for controlling the channel adapter and the disk adapter; wherein any one of the processor packages includes a processor for incorporatively transferring related types of ownership based on specific control information for managing the plurality of types of ownership for each of the plurality of types of resources.01-05-2012
20120005427AUTOMATED ON-LINE CAPACITY EXPANSION METHOD FOR STORAGE DEVICE - The storage system provides a logical volume and includes a plurality of disk devices and a controller, coupled to the plurality of disk devices, which manages a plurality of storage areas provided by the plurality of disk devices. The host includes an application which sends data to a logical volume and an operating system which manages a block position of the logical volume. If the operating system receives a request from the application to expand a first capacity of the logical volume, the operating system sends a write request to the logical volume. In response to the write request, the controller allocates at least one of the plurality of storage areas to the logical volume. The controller monitors a second capacity of storage areas allocated to the logical volume relative to a third capacity of the plurality of storage areas.01-05-2012
20120005402STORAGE SYSTEM HAVING A PLURALITY OF FLASH PACKAGES - A storage system 01-05-2012
20120005327STORAGE SYSTEM AND PATH MANAGEMENT METHOD FOR MULTI-HOST ENVIRONMENT - A storage system and a path management method, which can facilitate node replacement, are proposed. In the storage system, the host sets plural paths between the host and the volume and holds path information composed of management information on each of the paths. The management apparatus includes an integrated path management unit that collects the path information on each of the paths defined between the host and the volume from the corresponding host to manage all the collected information as integrated path information; retrieves an alternate path going through a node other than a specified node but that has the same function as the specified node, for the path going through the specified node, based on the integrated path information; and displays results of the retrieval.01-05-2012
20120005305COMMUNICATING METHOD BETWEEN IPv4 TERMINAL AND IPv6 TERMINAL AND IPv4-IPv6 CONVERTING APPARATUS - In an apparatus, there are provided an IP transmitting and receiving unit for transmitting and receiving an IPv4 packet and an IPv6 packet; an IP header converting unit for performing a mutual conversion of the IPv4 packet and the IPv6 packet by an IP header conversion; a DNS substituting unit for receiving a domain information capturing request sent from an IPv4 terminal or an IPv6 terminal and substituting its process; an IPv4 address capturing unit for capturing an IPv4 address from a DHCP server; and an IP address conversion information holding unit for holding an IPv6 address of the IPv6 terminal and the IPv4 address captured by the IPv4 address capturing unit in correspondence to each other. Thus, a communication with the IPv4 terminal can be executed without preliminarily fixedly allocating the IPv4 address to the IPv6 terminal.01-05-2012
20120005233COMPUTER SYSTEM AND RECORDING MEDIUM - A computer system comprising storage devices having different characteristics, a client computer, and a file access controller managing the storage devices with the HSM is disclosed. The file access controller provides a normal directory tree and a virtual directory tree, according to the configuration, and provides a first file stored in a first storage device through the normal directory tree and the virtual directory tree. And, the file access controller switches providing of a second file stored in a second storage device, depending on a used directory tree, which is used by the at least one client computer, and which is the normal directory tree or the virtual directory tree. Examples of the switch are about accessibility of the second file and recall processing of the second file.01-05-2012
20120005193FILE-SHARING SYSTEM AND METHOD FOR PROCESSING FILES, AND PROGRAM - Provided is a technique capable of efficiently operating files and directories that are stored in storage located in a physically far place from a file server, without causing a network latency. An index creation program is also loaded in a cloud computing environment, and a flag, which indicates whether or not to execute batch processing to a directory that has been migrated to the cloud side, is provided, whereby it becomes possible to collectively execute index creation processing for the migrated directory on the cloud side. More specifically, upon completion of migration of all files under a given directory to the cloud side, a flag, which indicates whether or not to perform batch processing on the cloud side, is validated for the metadata of the directory. Such a batch processing flag can be held for each application such as applications of the index creation processing and the virus check processing.01-05-2012
20120001085TREATMENT PLANNING SYSTEM, DEVICE FOR CALCULATING A SCANNING PATH AND PARTICLE THERAPY SYSTEM - In a particle therapy treatment planning system for creating treatment plan data, the movement of a target (patient's affected area) is extracted from plural tomography images of the target, and the direction of scanning is determined by projecting the extracted movement on a scanning plane scanned by scanning magnets. Irradiation positions are arranged on straight lines parallel with the scanning direction making it possible to calculate a scanning path for causing scanning to be made mainly along the direction of movement of the target. The treatment planning system can thereby realize dose distribution with improved uniformity.01-05-2012
20120000445Method and Control Apparatus for Controlling a High-Pressure Fuel Supply Pump - The present invention relates to a control apparatus 01-05-2012
20110321170FRAUDULENT MANIPULATION DETECTION METHOD AND COMPUTER FOR DETECTING FRAUDULENT MANIPULATION - A client computer detects a user operation for transmitting data to a server or a storage device, determines whether the detected user operation is a fraudulent manipulation, and, if the determination is a positive result, performs security processing which is processing related to security of data to be transmitted. If the data is data within a group to which the user belongs and a destination of the data is a server or a storage device outside the group, the determination is a positive result.12-29-2011
20110320995Noise Analysis Designing Method - To provide a simulation technology of ending multiphysics analysis on heat, vibration, and EMC within a practical time and with a low-price computation process at an early stage of product designing, in a noise analysis designing method for an electric device, such as an inverter for automobile, this electric device includes one or more energy sources, a propagation path through which energy from the energy source propagates, and a noise occurring part where an electromagnetic radiated noise occurs due to the energy coming from the propagation path, the method has a step of estimating the occurring noise, such as a occurring radiated noise, by analyzing a path specified by a user by using a calculator, and the path specified by the user is a path of the energy flowing through the propagation path.12-29-2011
20110320886STORAGE SYSTEM THAT FINDS OCCURRENCE OF POWER SOURCE FAILURE - One or more switches are interposed between a controller portion and a storage device. When transmission of a command to a certain storage device fails, a command is transmitted starting from an upstream side to a downstream side of a path between the controller portion and the switch to which the certain storage device is connected, and when command transmission fails while transmitting a command from a k12-29-2011
20110320754MANAGEMENT SYSTEM FOR STORAGE SYSTEM AND METHOD FOR MANAGING STORAGE SYSTEM - Provided is a management system for a storage system, the storage system including a first storage subsystem and a second storage subsystem each including logical storage areas for storing data to be processed by a host computer, the logical storage areas in each of the first and second storage subsystems having storage tiers associated respectively with a plurality of storage area characteristic information pieces which are information pieces characterizing the corresponding logical storage areas and which are different from each other, the management system comprising a data migration management part, wherein when the data is migrated from the first storage subsystem to the second storage subsystem, the data migration management part: acquires a configuration of the storage tiers of the logical storage areas of the first storage subsystem in which the data of a migration target is stored; compares the configuration with a configuration of the storage tiers of the logical storage areas of the second storage subsystem; and then migrates the migration target data stored in the logical storage areas of the first storage subsystem to the logical storage areas of the second storage subsystem in accordance with a result of the comparison.12-29-2011
20110320726STORAGE APPARATUS AND METHOD FOR CONTROLLING STORAGE APPARATUS - A storage apparatus has a channel board 12-29-2011
20110320714MAINFRAME STORAGE APPARATUS THAT UTILIZES THIN PROVISIONING - Each actual page inside a pool is configured from a plurality of actual tracks, and each virtual page inside a virtual volume is configured from a plurality of virtual tracks. A storage control apparatus of a mainframe system has management information that includes information denoting a track in which there exists a user record, which is a record including user data (the data used by a host apparatus of a mainframe system). Based on the management information, a controller identifies an actual page that is configured only from tracks that do not comprise the user record, and cancels the allocation of the identified actual page to the virtual page.12-29-2011
20110320707STORAGE APPARATUS AND STORAGE MANAGEMENT METHOD - The performance to transfer data to external storage media in thin provisioning is enhanced.12-29-2011
20110320642METHOD AND APPARATUS FOR A UNIFIED STORAGE SYSTEM - A unified storage system for executing a variety of types of storage control software using a single standardized hardware platform includes multiple storage control modules connected to storage devices for storing data related to input/output (I/O) operations. A first type of storage control software is initially installed and executed on a first storage control module for processing a first type of I/O operations. A management module replaces the first type of storage control software by installing a second type of storage control software onto the first storage control module. When the second type of storage control software is installed and executed, the first storage control module processes a second type of I/O operation, different from the first type of I/O operation. Control of volumes originally accessed by the first storage control module may be transferred to a second storage control module having the first type of storage control software installed.12-29-2011
20110320599MANAGEMENT SYSTEM AND COMPUTER SYSTEM MANAGEMENT METHOD - A management apparatus for managing a computer system stores configuration information of multiple management-target apparatuses based on multiple first information received from multiple management-target apparatuses. The management apparatus, based on the configuration information and multiple additional component application condition information, determines whether or not to use multiple additional component information to acquire multiple second information from the multiple management-target apparatuses. The management apparatus, in a case where a determination to carry out acquisition is made, uses the multiple additional component information to receive the multiple second information from the multiple management-target apparatuses, and based on the multiple second information, either creates or updates the management information of the multiple management-target apparatuses.12-29-2011
20110316632OPTICAL COMMUNICATION DEVICE - An optical communication device which can be operated at high speed is provided. For example, the optical communication device includes: a pre-amplifier circuit PREAMP12-29-2011
20110316486Charge Control System - The charge control system includes at least a battery temperature control device, a cooling device, a heating device, and an integrated control device. The battery control device detects SOC of a battery. Based on the detected SOC, the integrated control device switches between a first charging mode in which the battery is charged at a substantially constant current and a second charging mode in which the battery is charged at a substantially constant voltage. In the second charging mode, the battery temperature control device performs rapid cooling control to control the cooling device such that it has a cooling capacity in the second charging mode higher than a cooling capacity in the first charging mode. Thus, the battery temperature is appropriately controlled to increase a cruising distance even when the electric vehicle is run immediately after completion of charging.12-29-2011
20110315937CONDUCTIVE PASTE AND ELECTRONIC PART EQUIPPED WITH ELECTRODE WIRING FORMED FROM SAME - Provided is a conductive paste which contains an inexpensive metal, such as copper or aluminum, as an electrode wiring material and has oxidation resistance that enables the paste to withstand a high-temperature process performed in an oxidizing atmosphere and an electronic part equipped with electrode wiring formed from the paste. The electronic part in accordance with the present invention is equipped with electrode wiring that comprises a conductive glass phase containing transition metals and phosphorus, metal particles, and none of the substances prohibited by the RoHS directive. The electronic part is characterized in that each of the transition metals contained in the conductive glass phase is present in the state of having a plurality of oxidation numbers and that the proportion of the atoms which have the largest oxidation number for each transition metal satisfies a given relationship.12-29-2011
20110314456System and Method for Mapping Structured Document to Structured Data of Program Language and Program for Executing Its Method - The data transcription processing unit is prepared. This unit is beforehand provided with the document-structure definition information on the structured documents, i.e., the processing target, the structure definition information on the program language, and the correspondence information between the document-structure definition and the structure definition. Then, a reading/writing request is issued from the application program to the data transcription processing unit. The issue of the request accomplishes the data transcription on each element basis between the structured documents and the structure of the program language.12-22-2011
20110314325STORAGE APPARATUS AND METHOD OF DETECTING POWER FAILURE IN STORAGE APPARATUS - A storage apparatus has a physical storage area used by an external apparatus, a drive interface unit, a power supply unit, and a storage controller executing data write processing from the external apparatus to the storage drive and data read processing from the storage drive through the drive interface unit, and a drive control interface unit. The power supply unit inputs power supply information to the drive interface unit. Any one of the processing units acquires the power supply information of the power supply unit through a data network path to the drive interface unit for the data write processing and the data read processing, and determines whether or not a failure occurs in the power supply unit supplying the operation power to the storage drive and the drive interface unit, on the basis of the acquired power supply information.12-22-2011
20110314250STORAGE SYSTEM AND OPERATION METHOD OF STORAGE SYSTEM - The present invention is able to improve the processing performance of a storage system by respectively virtualizing the external volumes and enabling the shared use of such external volumes by a plurality of available virtualization storage devices. By virtualizing and incorporating the external volume of an external storage device, a first virtualization storage device is able to provide the volume to a host as though it is an internal volume. When the load of the first virtualization storage device increases, a second virtualization storage device 12-22-2011
20110314239COMPUTER SYSTEM AND SYSTEM CONTROL METHOD - Operation of an environment that supports both host-based replication and array-based replication is realized. According to the present invention, data in the first storage area is copied first to the second storage area using an array-based replication engine. In this case, the execution result of the replication is managed using a flag from which the copy timing can be known. In addition, data in the first storage area is copied to the third storage area using a host-based replication engine, and further, data in the third storage area is copied to the fourth storage area. Then, when data in the second storage area is restored to the first storage area, data in the fourth storage area is returned to the third storage area so that the third storage area has data of the same time as the second storage area (see FIG. 12-22-2011
20110314193COMPUTER SYSTEM AND ITS RENEWAL METHOD - A computer system including a management computer for managing the entire system, an integral apparatus, and a high-level connecting device for connecting the management computer and the integral apparatus is designed so that the management computer retains integral apparatus internal configuration information, configuration information about an integral apparatus to be introduced, that indicates the configuration of the integral apparatus that may possibly be introduced to the system, and lifetime information indicating lifetime of the integral apparatus; obtains connectivity guarantee information indicating whether connectivity between the computer and the storage apparatus is guaranteed or not; selects an integral apparatus to be removed from the system by referring to the lifetime information; selects an integral apparatus to be introduced to the system by referring to the integral apparatus internal configuration information, the configuration information about the integral apparatus to be introduced, and the connectivity guarantee information.12-22-2011
20110314138METHOD AND APPARATUS FOR CAUSE ANALYSIS CONFIGURATION CHANGE - In a computer system that comprises multiple target computers and an analysis computer, one or more first target computers, in which a predetermined application has been installed and invoked, send a log comprising information of multiple configuration changes that have been made prior to invoking the predetermined application to the analysis computer, and the analysis computer receives the log and computes, for each type of configuration change and based on the log, an invocation failure rate which is a percentage at which the invocation of the predetermined application fails subsequent to the configuration change. Then, a second target computer receives, from the analysis computer, first information comprising an invocation failure rate for each type of configuration change related to the predetermined application, and based on the invocation failure rate, displays the type of configuration change that is the cause of the failure of the predetermined application invocation.12-22-2011
20110310758Method of Resource Assignment for Radio Communication System and Base Station Apparatus - A method for assigning resources of a radio communication system that is aimed at relaxing interference between cells and that is applicable even in the case where femtocell base stations are installed within a macrocell base station area, and a radio base station apparatus. A transmit power limitation that limits an allocatable resource for each subband consisting of one or plural sub-carriers is decided, resource assignment is preformed on a mobile terminal on a subband-by-subband basis by a scheduler so that the transmit power limitation may be satisfied, and the transmit power limitation is altered based on an estimation result of an interference quantity from surrounding cells.12-22-2011
20110308496Throttle Valve Controller for Internal Combustion Engine - A throttle valve controller for an internal combustion engine has a throttle valve driven by a motor. The target opening of the throttle valve is determined based on the operating state of the vehicle or internal combustion engine. A first lower limit is determined beforehand as the minimum target opening, and a second lower limit is set which is smaller than the first lower limit if the determined target opening is smaller than a predetermined opening and/or if the rotation speed of the internal combustion engine is lower than a predetermined speed.12-22-2011
20110307889VIRTUAL MACHINE SYSTEM, NETWORKING DEVICE AND MONITORING METHOD OF VIRTUAL MACHINE SYSTEM - A method of monitoring a virtual computer system including a network device coupled to a client computer, sever computers each coupled to the network device, and a performance degradation source locator apparatus coupled to the network device and the server computer, obtaining, by the performance degradation source locator apparatus, performance information on physical computer resources and performance information on virtual computer resources of extracted virtual machines and server computers and the virtual machine and the server computer in which the latency has increased to locate a part in which the latency has increased.12-15-2011
20110307742METHOD 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 (12-15-2011
20110307729STORAGE SYSTEM AND POWER CONSUMPTION REDUCTION METHOD FOR THE SAME - In a storage system that includes two or more file servers each including an arbitrary number of operating virtual file servers, a management server: holds a load information table regarding a load on each virtual file server for each time period and redundancy information table for the storage system; judges, with reference to the load information table and redundancy information table, whether or not the loads on the virtual file servers can be handled by a smaller number of file servers than the number of currently-operating file servers; selects, if the judgment result is positive, a power-off target file server and makes another file server fail over a virtual file server in the power-off target file server; and turns off the power-off target file server.12-15-2011
20110307728METHOD FOR CONTROLLING ELECTRIC POWER OF COMPUTER SYSTEM - To reduce the electric power consumption of the computer system, the computer system includes at least one server and at least one data processing apparatus, the data processing apparatus includes an electric power consumption state control module by which electric power consumption of the data processing apparatus can be changed, obtains a use relationship between each server and each processing apparatus included in the computer system, monitors a change in a state of the server, searches for a related data processing apparatus in the use relationship with the server, obtains a state of at least one related server in the use relationship with the related data processing apparatus, and determines whether an electric power consumption state of the related data processing apparatus is to be changed or not based on the state of the related server, and changes the electric power consumption state of the related data processing apparatus.12-15-2011
20110307721STORAGE APPARATUS AND POWER CONSUMPTION ESTIMATION METHOD - Proposed are a storage apparatus and a power consumption estimation method capable of easily and accurately estimating the power consumption of a physical drive without having to use a wattmeter. Operational information concerning a seek amount and a data transfer amount in the relevant hard disk drive which are internally recorded and retained by the respective hard disk drives is collected from each of the hard disk drives, and power consumption of each of the hard disk drives is estimated based on the acquired operational information of each of the hard disk drives.12-15-2011
20110307680STORAGE SYSTEM - The temporary area capacity required to be secured with respect to the whole permanent area is calculated in accordance with the capacity and access frequency of a host computer data permanent area of a disk device contained in the storage system and a disk device of an external storage device that is managed by a storage virtualization function of this storage system. The nonvolatile memory is defined as the temporary area and is used to temporarily store host computer data when a data I/O from the host computer is processed. The required capacity of the temporary area is re-calculated in accordance with an event such as a configuration change in the external storage system.12-15-2011
20110307678STORAGE APPARATUS, STORAGE SYSTEM - An object of the present invention is to provide a storage apparatus which can maintain a performance even if an unused storage area is not released.12-15-2011
20110307675METHOD AND APPARATUS FOR DE-DUPLICATION AFTER MIRROR OPERATION - An amount of storage capacity used during mirroring operations is reduced by applying de-duplication operations to the mirror volumes. Data stored to a first volume is mirrored to a second volume. The second volume is a virtual volume having a plurality of logical addresses, such that segments of physical storage capacity are allocated for a specified logical address as needed when data is stored to the specified logical address. A de-duplication operation is carried out on the second volume following a split from the first volume. A particular segment of the second volume is identified as having data that is the same as another segment in the second volume or in the same consistency group. A link is created from the particular segment to the other segment and the particular segment is released from the second volume so that physical storage capacity required for the second volume is reduced.12-15-2011
20110305457Optical Multi-Level Transmission System - Provided is an optical multilevel transmission system, comprising at least one optical multilevel transmitter for transmitting an optical multilevel signal obtained and an optical multilevel receiver for receiving the optical multilevel signal. The received optical multilevel signal has a larger noise in an angular direction than in a radial direction. The optical multilevel receiver sets, in a symbol decision of the received optical multilevel signal demodulated on the complex plane, for positions of all or some of ideal signal points, a width in the angular direction of a decision area, to which each of the ideal signal points belongs and which is measured along a circumference of a circle centered at an origin and passing through a center of the each of the ideal signal points, larger than a width in the angular direction of a decision area defined based on a Euclidean distance.12-15-2011
20110305242LABEL SWITCHING TYPE OF PACKET FORWARDING APPARATUS - A label switching type packet forwarding apparatus having a routing information table in which a forwarding type of a reception packet, output port identification information, and output routing information of a specific layer in the OSI reference model determined by the forwarding type are defined in correspondence with routing information which is found upon reception of a packet, for converting a header of a reception packet in accordance with the packet forwarding type and the output routing information obtained by a table search.12-15-2011
20110304243Thin-Film Piezoelectric Acoustic Wave Resonator and High-Frequency Filter - A thin-film piezoelectric acoustic wave resonator that has a large k2, can trap acoustic energy in a resonating part, does not excite spurious resonance, or can finely adjust resonance frequency and a high-frequency filter using the thin-film piezoelectric acoustic wave resonator are provided without increasing the number of processes. At both ends of a vibrating part (12-15-2011
20110302386METHOD AND APPARATUS TO MANAGE SPECIAL REARRANGEMENT IN AUTOMATED TIER MANAGEMENT - A storage controller performs automated page-based tier management of storing data in tiered storage using pool groups, which includes evaluating the pool groups based on a preset rule in order to determine an evaluation result for each pool group, and using the evaluation results among the pool groups to determine which pool group is to be selected for allocation against portions of one storage volume of a plurality storage volumes. In response to receiving an instruction for rearrangement of data in the tiered storage, the instruction including a requirement to be satisfied in selecting the plurality of tiers within a pool group based on access characteristics for allocation against portions of the one storage volume, the storage controller analyzes the pool groups according to the requirement to determine whether any of the pool groups is appropriate to possess the one storage volume for storing the data.12-08-2011
20110302368STORAGE SYSTEM HAVING SAS AS ITS BACKEND COMMUNICATION STANDARD - Each communication path between controllers and a plurality of storage devices has a plurality of expanders coupled in series. In order to shorten the time during which the communication path is not used for I/O, either (A) the length of time for which I/O suppression is set for the communication path is shortened, or (B) the overall time it takes for processing other than I/O processing is shortened. In the (A), a determination as to whether or not the coupling between the expanders has been disconnected is made for the I/O-suppressed communication path, and in a case where the result of this determination is negative, a discover process is carried out after releasing the I/O suppression with respect to this communication path. In the (B), the number of command issue times of updating routing control information of the expander is reduced.12-08-2011
20110302332METHOD OF MONITORING DEVICE FORMING INFORMATION PROCESSING SYSTEM, INFORMATION APPARATUS AND INFORMATION PROCESSING SYSTEM - A monitoring apparatus communicatively coupled to one or more devices forming an information processing system manages each of the devices by setting the device to be in any one of monitoring states including a monitoring target to be always monitored, a semi-monitoring target to be determined if there is a change in resources and a non-monitoring target being neither the monitoring target nor the semi-monitoring target. The monitoring apparatus newly acquires resource information on a device whose monitoring state is currently set to be the monitoring target or the semi-monitoring target, and determines if any of the resources of the device is changed on the basis of the newly acquired resource information, the resource information acquired last time, and a determination condition. When determining that any of the resources has been changed, the monitoring apparatus outputs a screen prompting a change of the monitoring state of the device.12-08-2011
20110302139METHOD, APPARATUS, PROGRAM AND SYSTEM FOR MIGRATING NAS SYSTEM - In a state where the migration source NAS apparatus is continuously operated, a migration processing program confirms the update date and time of files stored in the migration source NAS apparatus, and migrates only the files that were not updated from a specific time to the start date and time of migration processing. Or, the migration processing program migrates the files stored in the migration source NAS apparatus sequentially from the oldest file. The migration performance is calculated based on the capacity and migration time of the migrated files, and the time required for migrating the non-migrated files is calculated based on the size and migration performance of the non-migrated files.12-08-2011
20110299188MAGNETIC HEAD SLIDER AND MAGNETIC DISK DRIVE - A magnetic head slider having a thermal microactuator capable of efficiently transmitting thermal expansion displacement in the vicinity of a heating element to the region of a read/write element and thereby enabling high-speed displacement response is realized. The magnetic head slider comprises a slider substrate and a thin film stack part formed on the slider substrate. The thin film stack part includes a read/write element for reading and writing data and one or more heating elements arranged on one side or on each side of the read/write element in regard to a direction corresponding to the track width direction for generating heat in response to energization. Further, a low Young's modulus layer (made of a material having a low Young's modulus or void) is arranged between the slider substrate and the thin film stack part.12-08-2011
20110299048PROJECTION TYPE IMAGE DISPLAY APPARATUS - According to the present invention, a projection type image display apparatus enables control of a large amount of light masking through a light-masking unit while maintaining a uniform illumination distribution in an area to be illuminated by the illumination light. The apparatus uses two array lenses on which lens cells are arranged in matrix form, where light-masking unit masks the array lens installed on the light source side in their particular area. The light-masking unit adjusts the amount of light emitted from the light source. The light-masking area of lens cells adjacent to lens cells closest to an optical axis is made smaller than the light-masking area of other cells.12-08-2011
20110297837RADIATION DETECTION MODULE AND RADIATION IMAGE-CAPTURING DEVICE - The radiation detection module (12-08-2011
20110296129DATA TRANSFER DEVICE AND METHOD OF CONTROLLING THE SAME - A data transfer device that confirms completion of writing into a memory on transferring data to the memory via a bus through which a response indicating completion of data writing in the memory is not sent back includes an inter-memory data transfer control unit performing data transfer between the memories. When the inter-memory data transfer control unit detects switching of a write destination memory from a first memory to a second memory, in order to confirm that writing into the first memory is completed, the inter-memory data transfer control unit performs confirmation of write completion as to the first memory by a procedure different from writing into the memory. When a data transfer with a designated transfer length is completed, in order to confirm that writing is completed as to the write destination memory at the end of the data transfer, the inter-memory data transfer control unit performs confirmation of write completion as to the write destination memory at the end of the transfer by the procedure different from writing into the memory. The inter-memory data transfer control unit notifies the processor of completion of an inter-memory data transfer based on the confirmation of write completion.12-01-2011
20110296117STORAGE SUBSYSTEM AND ITS CONTROL METHOD - Provided is a storage subsystem capable of maintaining the reliability of I/O processing to a host apparatus, even if there is an unauthorized access from a processor core to a switch circuit, by applying a multi-core system to a processor. A multi-core processor is applied to a second logical address space that is different from a first logical address space to be commonly applied to multiple controlled units such as a host interface to be accessed by the processor. The switch circuit determines the processor core that issued an access based on an address belonging to a second address space, and maps an address containing in an access from the processor core to an address of a first address space.12-01-2011
20110296102STORAGE APPARATUS COMPRISING RAID GROUPS OF RAID 1 SERIES AND CONTROL METHOD OF WRITING TO RAID GROUP OF RAID 1 SERIES - A RAID group of RAID 1 series comprises one or more pairs of first storage devices and second storage devices. A storage apparatus reads data from the entire area of a first storage block group including the write destination of write target data in the first storage device. The storage apparatus, in accordance with the write target data and staging data which is the read data, generates one or more data units each of which is the data configured of the write target data or the copy of the same and the staging data part or the copy of the same and of the same size as the first storage block group. The controller writes any of the one or more data units to the first storage block group in the first storage device and, at the same time, writes any of the one or more data units to the second storage block group corresponding to the first storage block group and of the same size as the same in the second storage device.12-01-2011
20110295993METHOD AND SYSTEM FOR MANAGING APPARATUS PERFORMANCE - The method comprises and executes constitutional information collection processing of collecting constitutional information of the apparatus, constitutional information of a logical unit which is a logical existence obtained by abstracting the apparatus, constitutional information of the application and constitutional information of the dependency relation of the performance established among the apparatus, the logical unit and the application; performance information collection processing of collecting each performance information of the apparatus, the logical unit and the application; and saturation indication detection processing of analyzing a correlation between a change value with time of the performance information of the apparatus and a change value with time of the performance information of the logical unit having the dependency relation of the performance with respect to the apparatus for a predetermined period, and detecting that the apparatus has the saturation indication, when a correlation coefficient obtained by the correlation analysis is a predetermined threshold value or more.12-01-2011
20110295968DATA PROCESSING METHOD AND COMPUTER SYSTEM - A technique for increasing the speed of data entry into a distributed processing platform is provided. According to a computer system of the present invention, when data is entered into each node in a distributed manner, the most efficient entry method (a method with the highest processing speed) is selected from among a plurality of entry methods, so that the data is entered into each node with no overlaps in accordance with the selected method.12-01-2011
20110295655INFORMATION PROCESSING SYSTEM AND INFORMATION PROCESSING DEVICE - A terminal includes a sensor for detecting a physical quantity and a data transmitting unit for transmitting data representing the physical quantity to a processing device. An input/output device includes an input unit for receiving an input of data representing a productivity relating to the person wearing the terminal and a data transmitting unit for transmitting the data representing the productivity to the processing device. The processing device includes a feature value extracting unit for extracting a feature value from the data representing the physical quantity, a conflict calculating unit for determining items of data bringing about conflict from the data representing the productivity, and a coefficient-of-influence calculating unit for calculating a degree of the correlation between the feature value and the items of the data bringing about conflict.12-01-2011
20110291766Transimpedance Amplifier and Pon System - In a gain-switching-type transimpedance amplifier, in order to provide a technique capable of preventing unnecessary gain switching caused when noise is received, and preventing decrease in sensitivity caused when noise with a large input level is received, and then, a burst signal with a small input level is received, a transimpedance amplifier 12-01-2011
20110290892CONTACTLESS IC LABEL - A contactless integrated circuit (IC) label has an IC chip and is capable of exchanging data with an external reading device without contact. The contactless IC label includes: a transparent label base material; an optical variable device formed on a lower surface of the label base material; a conductive layer bonded to and formed on a lower surface of the optical variable device, and configured to function as an antenna of the IC chip; a connecting layer electrically connected to the IC chip; an insulating layer formed between the conductive layer and the connecting layer, and configured to electrically couple the conductive layer and the connecting layer; and an impedance adjusting unit formed on at least the connecting layer of the conductive layer and the connecting layer, and configured to adjust impedances of the conductive layer and the IC chip.12-01-2011
20110289502VIRTUAL MACHINE SYSTEM - Arbitration of IO accesses and band control based on the priority of virtual servers is enabled while curbing performance overhead during IO sharing among the virtual servers. A virtual machine system includes a CPU, a memory, a hypervisor that generates plural virtual servers, and an IO controller that controls an IO interface. The IO controller includes: a DMA receiving unit that receives DMA requests from the IO interface; a decoder that decodes received DMA requests and locates the corresponding virtual servers; a DMA monitoring counter that monitors DMA processing status for each of the virtual servers; a threshold register set in advance for each of the virtual servers; and a priority deciding unit that compares the DMA monitoring counter and the value of the threshold register, and based on processing priority obtained as a result of the comparison, decides the priority of processing of the received DMA requests.11-24-2011
20110289348ANOMALY NOTIFICATION CONTROL IN DISK ARRAY - In a storage device incorporating a plurality of kinds of disk drives with different interfaces, the controller performs sparing on a disk drive, whose errors that occur during accesses exceed a predetermined number, by swapping it with a spare disk drive that is prepared beforehand.11-24-2011
20110289296STORAGE APPARATUS AND CONTROL METHOD THEREOF - In order to prevent the degradation of performance of a storage apparatus caused by dynamic reallocation, the storage apparatus performs reassigning to a logical page the first physical page which is the physical page provided by the physical drive in Tier 1 which is the higher hierarchy than Tier 2 which is the hierarchy of the physical drive which provides the second physical page which is the physical page currently assigned to the logical page and, at the same time, by making the contents of the second physical page identical to the contents of the first physical page, performs the first migration for the logical page, associating and managing the second physical page and the first physical page and, when performing the second migration by reassigning the physical page provided by the physical drive in Tier 2 to the logical page to which the first physical page is assigned, and performs the second migration by reassigning the relevant second physical page to the logical page again when the second physical page is associated with the first physical page.11-24-2011
20110289287STORAGE APPARATUS AND DATA MANAGEMENT METHOD - Proposes the realization of the performance stability operation of virtual volumes and the stabilized access performance for the virtual volumes in the storage apparatus. In the storage apparatus which configures a pool of multiple types of storage tiers of different performances, provides virtual volumes to the host computer and, in accordance with a write request from an application to a virtual volume, assigns pages to the relevant virtual volume from the pool, a policy associating an application with the virtual volume with which the relevant application reads/writes data, a storage tier to assign pages to the relevant virtual volume, and the priority of the relevant storage tier is managed and, in accordance with a write request from the application, complying with the corresponding policy, among the storage tiers associated with the corresponding virtual volume, pages are assigned from the storage tier of the higher priority to the relevant virtual volume.11-24-2011
20110289265STORAGE SYSTEM AND STORAGE MANAGEMENT METHOD FOR CONTROLLING OFF-LINE MODE AND ON-LINE OF FLASH MEMORY - An object of the present invention is to provide a storage system and storage management method, which prevent a problem in the operation of stored data from being caused by unknown states of volume information and life information, when flash memories are placed in off-line mode and again placed in on-line mode. According to the present invention, there is provided a storage system 11-24-2011
20110289133NODE PROCESSING DEVICE AND ITS PROCESSING METHOD - When the multiple sensors monitored by a sensor management unit, input sensor information into the entrance node, a sensor type identifier unit utilizes a buffer management table to buffer the data according to the sensor type. A start decision unit utilizes a processing start setting table containing accumulated start conditions for each application to execute the computation processing required by the processor units for processing the buffered sensor data according to the required application. A transmit condition decision unit decides whether or not to transmit the computation results to an external device or a CPU, and based on those decision results, transmits the computation results to the CPU or the upstream intelligent node.11-24-2011
20110289060INFORMATION PROCESSING DEVICE AND DATA SHREDDING METHOD - An object is to achieve efficient shredding of recording media.11-24-2011
20110287798Base Station and Wireless Communication System - It is provided a wireless communication system comprising base stations that transmit data to a terminal with cooperation by the base stations. The terminal communicates with the base stations. The terminal periodically transmits, to one of the base stations, information necessary for data transmission from a single base station out of the base stations. Each of the base stations determines whether the terminal needs data transmission through a cooperation among the base stations, and transmits a cooperation information transmission instruction to the terminal, which includes information necessary to execute the data transmission in order to cooperate among the base stations in the case where it is determined that the terminal needs the data transmission through the cooperation among the base stations. The terminal transmits the cooperation information to the base stations in a case of receiving the cooperation information transmission instruction.11-24-2011
20110287791Wireless Communication System and Communication Control Method - It is provided a wireless communication system comprising base stations that communicate with a terminal. Each of the base station has antennas. Each of the base stations transmits a first reference signal unique to each of the antennas which does not overlap with another antenna among the base stations at least in a vicinity thereof. The terminal receives the first reference signal and estimates a received power of the first reference signal for each of the antennas, selects antennas suitable for communication from among the antennas based on a result of estimating the received power, and transmits a result of selecting the antennas to the each of the base stations. The each of the base stations refers the result of selecting the antennas transmitted from the terminal, assigns the selected antennas belonging to different cells to the terminal, and notifies the terminal of a result of assigning the antennas.11-24-2011
20110286344Wireless Communication System for Controlling Qualities of Experience, and Gateway - When a terminal switches systems, if many users have their terminals already connected to destination wireless communication system and the resource use rate of destination system is high, other users have to reduce resources to meet a QoS to be delivered to the user. When resource allocation is controlled based on QoS, the resources are controlled for meeting a requested QoS. Therefore, even if a larger magnitude of a resource than a necessary magnitude thereof is allocated based on radio environment, there is no way of reducing the resource. This situation deteriorates the performance of the systems. An access point or a gateway is provided with a facility that measures a quality of experience (QoE), which a user perceives for an application, for system switching. The QoE of the user concerned and a QoE of whole systems are calculated. If the QoEs are improved, the systems are switched.11-24-2011
20110286328SYSTEM MANAGEMENT METHOD AND SYSTEM MANAGEMENT APPARATUS - Provided is an IT system to minimize occurrence of a bottleneck on a network while effectively making use of the bandwidth of the network. A system management apparatus collects performance information from a network device, and calculates the average value, the peak hour, and the variance from the collected performance information. In response to a request for addition of a business system, the system management apparatus builds configuration patterns of a group of virtual servers configuring the business system and monitors traffic states of the paths on the network, identifies the part of the network where the traffic quality is most degraded, and determines the pattern that includes the path which has the smallest variance in the traffic based on traffic information on the part where the communication quality is degraded identified in each pattern as the requested system configuration of the business system.11-24-2011
20110284746CHARGED PARTICLE BEAM DEVICE - A charged particle beam device has a tilt detection unit that detects a tilt of a sample surface and an E×B deflector in which an electric field and a magnetic field are overlapped with each other and which causes, according to the detected tilt of the sample surface, the sample surface to be perpendicularly irradiated with an irradiation charged particle beam while, at the same time, aligning the trajectory of the charged particle beam with the optical axis centers of an irradiation optical system and an imaging optical system; thereby, the charged particle beam device can prevent problems possibly occurring in cases where a sample stage is tilted or a sample surface is undulating and can enable an accurate image to be acquired.11-24-2011
20110283704Power Plant - A boiling water nuclear power plant supplies steam from a reactor to high-pressure and low-pressure turbines. Water (feed water) generated by condensing steam in a condenser is heated by low-pressure and high-pressure feed water heaters and supplied to the reactor. The steam discharged from the low-pressure turbine is compressed by a steam compression apparatus (a heat pump) and supplied to one of the low-pressure feed water heaters to heat feed water. The steam extracted from the low-pressure turbine is also supplied to the low-pressure feed water heater. When power required for the steam compression apparatus is Q11-24-2011
20110283150STORAGE APPARATUS AND METHOD FOR CONTROLLING THE SAME - An objective is to allow a storage apparatus to accurately locate a failure site upon occurrence of a failure. Provided is a storage apparatus 11-17-2011
20110283123STORAGE APPARATUS AND CONTROL METHOD OF STORAGE SYSTEM - The present invention achieves appropriate power saving of the storage systems in accordance with the user's needs. In a storage system 11-17-2011
20110283078STORAGE APPARATUS TO WHICH THIN PROVISIONING IS APPLIED - At least two virtual volumes of a plurality of virtual volumes are associated with at least one pool. At least two pools of the plurality of pools are associated with each of virtual volumes. At least two pools that are associated with each of virtual volumes have a priority level. A storage control apparatus receives a write command and the write target data from a host apparatus. When a virtual area of a write destination specified by the write command is an unallocated virtual area, the storage control apparatus selects one pool based on the priority level of the pools that are associated with a virtual volume of a write destination specified by the write command. The storage control apparatus allocates an unallocated physical area in the selected pool to a virtual area of a write destination, and writes the write target data to the allocated physical area.11-17-2011
20110283072Backup System and Backup Method - When detecting the completion of remote copying of a primary volume to a secondary volume, a host compute splits a copy pair into the primary volume and the secondary volume and has the secondary volume store a snapshot of the primary volume. A backup server recognizes the secondary volume.11-17-2011
20110283064STORAGE APPARATUS AND DATA STORAGE METHOD USING THE SAME - A storage apparatus comprises a disk device and a disk adapter for controlling the disk device. The disk adapter controls the disk device and forms a data volume and a pool volume, creates a data block for parity data, compresses write data and the created parity data, and stores a number of compressed data blocks equal to or less than a predetermined number and stores compressed parity data that are within a predetermined size in storage areas in an actual volume, and stores the remaining compressed data blocks of a number greater than the predetermined number and compressed parity data that exceed the predetermined size in storage areas in the pool volume corresponding to a virtual volume.11-17-2011
20110283062STORAGE APPARATUS AND DATA RETAINING METHOD FOR STORAGE APPARATUS - To enable reduction of the data capacity while inhibiting degradation of read performance.11-17-2011
20110283046STORAGE DEVICE - The present invention aims to improve the performance of accessing flash memory used as a storage medium in a storage device. In the storage device in accordance with the present invention, a storage controller, before accessing the flash memory, queries a flash controller as to whether the flash memory is accessible (see FIG. 11-17-2011
20110283037INFORMATION PROCESSING APPARATUS AND DATA TRANSFER METHOD - An object is to provide an information processing apparatus capable of improving the availability as a system while improving the reliability of a data transfer path and a data transfer method. An information processing apparatus has a data transfer path branching in a tree structure, from a root node to a plurality of nodes while communicably coupling therebetween and transmitting serial data between the root node and the plurality of nodes, including two internode data transfer paths provided between at least a pair of nodes of the plurality of nodes, through which serial data transfer is performed; and a routing processing unit provided to each terminal nodes that are the nodes on both ends of the internode data transfer path, transfers the return data from the transmission destination node to the transmission source node by using the same internode data transfer path as the internode data transfer path used for data transfer to the transmission destination node, when each of the terminal nodes transfers data received from any of another nodes being a transmission source to any of the nodes being a transmission destination via the other terminal node.11-17-2011
20110283026METHOD AND APPARATUS FOR HBA MIGRATION - In one implementation, a system includes multiple SCSI nodes configured to perform a SCSI target function. Each of the multiple SCSI nodes includes a host bus adaptor configured to connect the SCSI node with a Fibre Channel fabric. The host bus adaptor being assigned a world wide name and a network address. The system further includes a host configured to perform a SCSI initiator function. The world wide name assigned to a source host bus adaptor associated with one SCSI node is relocated to a target host bus adaptor associated with another SCSI node. After that, the network address associated with the source host bus adaptor is relocated to the target host bus adaptor. In one implementation, the system determines whether or not a network address assigned to a source host bus adaptor associated with one of the multiple SCSI nodes is shared with at least one other service. If so, the system determined whether the shared network address can be relocated to a target host bus adaptor associated with another one of the multiple of SCSI nodes. If the latter determination is in affirmative, the world wide name and network address are relocated.11-17-2011
20110282963STORAGE DEVICE AND METHOD OF CONTROLLING STORAGE DEVICE - Disclosed is a storage device 11-17-2011
20110282841COMPUTING SYSTEM AND DATA MANAGEMENT METHOD - Proposed are a computing system and a data management method for improving the usage efficiency of logical volumes without lowering the response performance In a computing system that includes a first storage apparatus in which first and second storage volumes are configured, a file storage apparatus for controlling the first logical volume, a second storage apparatus, and an archive apparatus for controlling the second storage apparatus, the first storage apparatus acquires a snapshot of the first logical volume at regular or irregular intervals and stores differential data in the second logical volume, specifies a file for which the consumption amount of the second logical volume exceeds a predetermined threshold, causes the first storage apparatus to acquire a snapshot of the specified file, and if a read request to read the file is supplied, generates the file on the basis of data stored in the first and second logical volumes.11-17-2011
20110280252Managing Virtual Ports in an Information Processing System - A method is provided with which a name of a virtual port is not changed when virtualized storage is moved among switches. Information about a creator and a borrower of name information is added to a table including name information and address information of a virtual port of a name server managing the name information and the address information. The name information is provided to plural switches and managed. In addition, name information, which can be used commonly among name servers managing the name information and the address information is pooled in advance, and the name information of the virtual port is borrowed from there.11-17-2011
20110276982Load Balancer and Load Balancing System - In a system including a load balancer to select a virtual server to which a request is to be transferred, the load balancer includes a function to monitor resource use states of physical and virtual servers and a function to predict a packet loss occurring in a virtual switch. The request count of requests processible by each virtual server is calculated based on the resource amount available for the virtual server and a packet loss rate of the virtual switch, to thereby select a virtual server capable of processing a larger number of requests.11-10-2011
20110276757STORAGE CONTROL DEVICE, AND CONTROL METHOD FOR CACHE MEMORY - The storage control device of the present invention uses a plurality of queues to manage cache segments which are in use, so as to retain cache segments which contain large amounts of data for long periods of time. One of the queues manages segments in which large amounts of valid data are stored. Another queue manages segments in which small amounts of valid data are stored. If the number of unused segments becomes insufficient, then a segment which is positioned at the LRU end of the other queue is released, and is shifted to a free queue. Due to the use of this other queue, it is possible to retain segments in which comparatively large amounts of data are stored for comparatively long periods of time.11-10-2011
20110276755METHOD FOR ANALYZING PERFORMANCE INFORMATION - A performance information display method using a computer, includes the steps, in the computer, of reading out information data of a storage device previously stored in a storage device and information data of a plurality of devices utilizing the storage device, displaying an identifier of the storage device and identifiers of a plurality of devices utilizing the storage device on a screen on the basis of the information data read out, accepting a command to select the displayed identifier of the storage device, and displaying performance information data of the devices utilizing the selected storage device in association on the basis of the accepted command and the information data read out.11-10-2011
20110276728METHOD AND APPARATUS FOR STORAGE I/O PATH CONFIGURATION - An aspect of the invention is directed to a method for storage I/O (input/output) path configuration in a system that includes a storage system connected via a network to a plurality of nodes. The method comprises receiving an I/O access to one or more storage volumes in the storage system from one of the nodes; if the I/O access is an initial I/O access to any of the storage volumes in the storage system from any of the nodes in the system, allowing the initial I/O access from the one node and prohibiting I/O access to the storage volumes in the storage system by other nodes in the system; and if the I/O access is not an initial I/O access to any of the storage volumes in the storage system from any of the nodes in the system, allowing the I/O access only if the I/O access is from the one node which made the initial I/O access and rejecting the I/O access for other nodes in the system.11-10-2011
20110273835STORAGE APPARATUS - Stable cooling performance can be secured.11-10-2011
20110273565Image-Processing Camera System and Image-Processing Camera Control Method - An image pickup device that acquires images is controlled by an image pickup device controller that accepts image acquisition requests from multiple application programs, and an application scheduler selects application programs to be executed. Information indicative of the image data volumes and image data acquisition rates required for each of the multiple application programs is stored and used to select multiple concurrently executable application programs on the basis of the image data volumes and image data acquisition rates. An image acquisition scheduler determines the timing and intervals at which the multiple executable application programs repeat receiving image data from the image pickup device, without overlapping in terms of time. In addition, an operations section, which explicitly presents concurrently executable application programs to a user and commands the startup of these programs, is displayed on a navigation screen menu.11-10-2011
20110271336Computer and Access Control Method in a Computer11-03-2011
20110271275SOFTWARE DISTRIBUTION MANAGEMENT METHOD OF COMPUTER SYSTEM AND COMPUTER SYSTEM FOR SOFTWARE DISTRIBUTION MANAGEMENT - [The present invention] improves the user-friendliness of a software distribution management system that uses representative clients.11-03-2011
20110271188Recording Medium and Playback Device - To provide user-friendly information recording and playback, embodiments of the invention provide a recording medium having recorded therein audiovisual information; content identification information for identifying the audiovisual information; and locator information. In one embodiment, a playback device comprises a recording medium control module configured to read content identification information from a recording medium for identifying content of audiovisual information and locator information relating to the audiovisual information in the recording medium. The locator information relates to the audiovisual information for locating a provider of service information. A network control module is configured to connect with the provider of service information based on the locator information.11-03-2011
20110271154Method of Recording/Reproducing Digital Data and Apparatus for Same - A digital data recording/reproducing method includes the steps of: interleaving data on a PI code for each PI code of a 208-row ECC block; and converting a short burst error into random errors by dispersing errors on the PI codes. Moreover, the digital data recording/reproducing method increases correction capability against several bytes to several tens bytes of errors generated at random without changing burst error correction length by performing this processing for respective PI codes by using interleave rules that are different as much as possible from one another.11-03-2011
20110271152FAILURE MANAGEMENT METHOD AND COMPUTER - A failure management method for a computer including a processor, and a memory connected to the processor, and in which the processor containing a memory protection function, executes a first software program and a second software program monitoring the operation of the first software program, and the second software program retains error information including address information and access-related information; and the method implemented by the by the second software program includes a step for detecting the occurrence of errors in the memory; and a step for prohibiting access to the address of the memory where the error occurred, and monitoring the access state; and a step for executing the failure processing when accessing by the first software program of the address of the memory where the error occurred was detected.11-03-2011
20110271073COMPUTER SYSTEM AND CONTROL METHOD OF THE SAME - Summary Problem11-03-2011
20110271071STORAGE APPARATUS AND HIERARCHICAL DATA MANAGEMENT METHOD FOR STORAGE APPARATUS - Proposed are a storage apparatus and hierarchical data management method for promoting the effective usage of memory apparatuses while suppressing maintenance-related costs and work. The storage apparatus comprises a plurality of memory apparatuses of a plurality of types, and a control unit for executing required data migration by monitoring an access frequency to each of the unit areas of the virtual volume and by controlling the corresponding memory apparatuses so that the storage area provided by the memory apparatus with a superior response performance is allocated to unit areas for which the access frequency is higher. The control unit controls the corresponding memory apparatuses so that when data is migrated from a first storage area, provided by a first memory apparatus which can be rewritten a limited number of times, to a second storage area provided by another second memory apparatus, the data is migrated to the second storage area without being deleted from the first storage area, manages updated parts of the data migrated from the first storage area to the second storage area after the data is migrated to the second storage area, and controls the corresponding memory apparatuses so that, when data which has been migrated from the first storage area to the second storage area is restored from the second storage area to the first storage area, the corresponding data still remaining in the first storage area is overwritten with the updated parts of the data which are updated after being migrated to the second storage area.11-03-2011
20110271068METHOD AND APPARATUS FOR SYNCHRONIZING APPLICATIONS FOR DATA RECOVERY USING STORAGE BASED JOURNALING - Disclosed is a method to synchronize the state of an application and an application's objects with data stored on the storage system. The storage system provides API's to create special data, called a marker journal, and stores it on a journal volume. The marker contains application information, e.g. file name, operation on the file, timestamp, etc. Since the journal volume contains markers as well as any changed data in the chronological order, IO activities to the storage system and application activities can be synchronized.11-03-2011
20110271066STORAGE SYSTEM AND DATA MANAGEMENT METHOD - The present invention comprises a CHA 11-03-2011
20110271061STORAGE CONTROLLER AND STORAGE SUBSYSTEM - Some functions of multiple structural elements are integrated into a specific structural element and the specific structural element controls transmission/reception of signals to/from the respective structural elements.11-03-2011
20110271048STORAGE APAPRATUS AND ITS CONTROL METHOD - A storage apparatus and its control method capable of shortening data save time at the time of power shutdown are suggested.11-03-2011
20110270963SYSTEM AND METHOD FOR EVALUATING APPLICATION SUITABILITY IN EXECUTION ENVIRONMENT - An evaluation system evaluates the suitability of an application in a plurality of types of application execution environments based on the characteristics of this application and the usage of this application by a user. The evaluation system displays information denoting the result of this evaluation.11-03-2011
20110270962METHOD OF BUILDING SYSTEM AND MANAGEMENT SERVER - Devices unnecessary for deployment are invalidated during the deployment. A method of building a system and a management server for establishing a system according to the present invention have the following configuration. The management server obtains server information from a server connected through a network, refers to the obtained server information to select devices unnecessary for deployment among devices connected to the server, and invalidates the selected devices.11-03-2011
20110270945COMPUTER SYSTEM AND CONTROL METHOD FOR THE SAME - A computer system with a plurality of storage systems connected to each other via a network, each storage system including a virtual machine whose data is stored in hierarchized storage areas. When a virtual machine of a first storage system is migrated from the first storage system to a second storage system, the second storage system stores data of the virtual machine of the first storage system as well as data of its own virtual machine, in the hierarchized storage areas in the second storage system.11-03-2011
20110268595Variable Capacity Vane Pump - In a variable capacity vane pump, a space between adjacent vanes is 1 pitch. A line that connects a half-pitch-advanced position from an end edge of an inlet port or from an end edge of an outlet port and a driving shaft center in a no-load state is termed a port reference line. A line that connects a center of a cam ring inner circumference side and the driving shaft center when an eccentricity amount of a cam ring is a maximum is termed a high pressure cam profile reference line. A line that connects the center of the cam ring inner circumference side and the driving shaft center at a low pressure when the eccentricity amount of the cam ring is a minimum is termed a low pressure cam profile reference line. The three reference lines; the port reference line, the high pressure cam profile reference line and the low pressure cam profile reference line, is set to be substantially parallel to each other.11-03-2011
20110268129VPN COMPOSING METHOD, INTERWORK ROUTER, PACKET COMMUNICATION METHOD, DATA COMMUNICATION APPARATUS, AND PACKET RELAYING APPARATUS - A data communication apparatus to be coupled to a first network and a Multiprotocol Label Switching (MPLS) network, includes a receiving unit which receives a data including header information indicating a destination and first header information used to identify a first Virtual Private Network (VPN) in the first network. The apparatus also includes a transmitter which transmits data having added thereto a MPLS header information used to identify one of the plurality of second VPNs in the MPLS network, the MPLS header information corresponding to both the header information indicating the destination and the first header information used to identify the first VPN in the first network included in the received data.11-03-2011
20110267430Detection Device of Planar Area and Stereo Camera System - An object of the present invention is to provide a detection device of a planar area, which suppresses matching of luminance values in areas other than a planar area, and non-detection and erroneous detection of the planar area arising from an error in projection transform.11-03-2011
20110267062BALUN AND MAGNETIC RESONANCE IMAGING APPARATUS - The present invention provides a technique for maintaining a function for effectively blocking common mode noise with a simple configuration, even in the case where unbalance occurs in characteristic impedance of a coaxial cable in an MRI apparatus, and improving the performance of an RF coil. In a circuit where a balun is established by parallel connection with the coaxial cable, multiple serial resonance circuits having different resonance frequencies are connected in parallel. A value of each constitutional element of each of the serial resonance circuits is adjusted in such a manner that the frequency for blocking the common mode noise of the entire balun falls into a range between the resonance frequencies of these serial resonance circuits.11-03-2011
20110266992Power Conversion Device - A power conversion device includes a power switching circuit that has a plurality of series circuits in each of which a switching element that operates as an upper arm and a switching element that operates as a lower arm are connected in series, and a control circuit that generates control signals for controlling the continuity or discontinuity of the switching elements, and, if the relationship between the state of a switching element in a control cycle and the state of the switching element in the next control cycle is a discontinuous relationship, that additionally performs control to make the switching element continuous or discontinuous on the basis of the state of the switching element in the control cycle and the state of the switching element in the next control cycle.11-03-2011
20110266981Charged Particle Beam Generator, Charged Particle Irradiation System, Method for Operating Charged Particle Beam Generator and Method for Operating Charged Particle Irradiation System - A charged particle beam generator, a charged particle irradiation system, a method for operating the charged particle beam generator and a method for operating the charged particle irradiation system, which allow a charged particle beam to be injected into a circular accelerator at an arbitrary timing and can reduce an irradiation time and a time for a therapy, are provided while maintaining the lower limit of an operation cycle of a linear accelerator. An accelerator control device controls an operation of a synchrotron on the basis of a beam extraction request signal transmitted from a beam utilization system control device. A control device generates a timing signal notifying the linear accelerator of an injection timing of a next operation cycle of the synchrotron after completion of an extraction process performed by the synchrotron, changes an operation timing of the linear accelerator so that the operation timing of the linear accelerator matches the injection timing.11-03-2011
20110265889Automatic Urine Collecting Device - An automatic urine collecting device (11-03-2011
20110265093Computer System and Program Product - A computer system includes a plurality of processors, a shared resource being used by the processors, and a storage unit in which management information corresponding to the shared resource is stored. The management information includes a semaphore for each OS managing a task which runs on the processors, a queue in which information for specifying a processor which has requested acquisition of the shared resource is stored in series, and a resource counter indicating a remaining number of the shared resources which can be acquired. Each of the processors includes a counter obtaining section that obtains a value of the resource counter, an acquisition decision-making section that makes a decision as to whether or not the shared resource can be acquired, and a resource acquiring section that stores information for specifying the processor in the queue if decided that it can not be acquired.10-27-2011
20110264943STORAGE CONTROL DEVICE - The storage control device of the present invention reduces the power consumption amount by stopping the transmission of power to enclosures that are not accessed. A plurality of additional enclosures is switch-connected via backend switches to a base enclosure. Drives that have not been accessed for a predetermined time or more undergo spin-down. When all of the drives in the enclosure enter a spin-down state, the supply of power from the power supply in the enclosure to the respective drives is stopped. The base enclosure that manages the system constitution of the storage control device turns OFF the switch connected to the enclosure when all of the drives in a certain enclosure have spun down. The transmission of power to this enclosure is accordingly stopped.10-27-2011
20110264881STORAGE SYSTEM AND REMOTE COPY RECOVERY METHOD - Data written in the primary logical volume of the first storage device are transmitted to the third storage device via the second storage device, the data being written in the same location as the primary logical volume within the secondary logical volume in the third storage device; when transmission of the data stops among the first to the third storage devices, the respective second storage device and the third storage device manage locations in the secondary logical volume where the data held thereby are to be written; and, when transmission of the data resumes among the first to the third storage devices, the locations in the secondary logical volume managed by the respective second and the third storage devices are aggregated, the data to be written in the respective aggregated location in the secondary logical volume being transmitted from the first storage device to the third storage device via the second storage device.10-27-2011
20110264876STORAGE SYSTEM AND METHOD FOR CONTROLLING STORAGE SYSTEM - A storage system 10-27-2011
20110264855STORAGE APPARATUS AND METHOD FOR CONTROLLING STORAGE APPARATUS - A storage apparatus 10-27-2011
20110264854STORAGE SYSTEM - To maintain reliability even when the repetition of the power saving control for storage systems occurs frequently due to the access from the host computer. During the course of controlling the operation mode of the drives, the controller measures the start/stop cycle count and the load/unload cycle count, calculates the S/S wear-out rate showing the ratio of the measured value of the start/stop cycle count to the first upper limit value and the L/U wear-out rate showing the ratio of the measured value of the load/unload cycle count to the second upper limit value, and for the drives in the idle operation mode, selects the low-speed rotation operation mode if the S/S wear-out rate is greater than the L/U wear-out rate, or selects the standby operation mode if the S/S wear-out rate is less than the L/U wear-out rate.10-27-2011
20110264716MANAGEMENT SYSTEM AND MANAGEMENT METHOD FOR STORAGE SYSTEM - A management system for a storage system including a storage control device that provides a plurality of file sharing environments, includes: an average maintenance interval calculating part to calculate an average maintenance interval that is an average value of time intervals at which an operation command is given to each of the file sharing environments; a management difficulty calculating part, for each of the file sharing environments, to calculate a management difficulty that is an index quantitatively showing a difficulty to manage the file sharing environment and is determined based on a type and a quantity of resources included in the file sharing environment; a file sharing environment usage degree calculating part to calculate a file sharing environment usage degree that is an index showing a degree of usage of each of the file sharing environments and is determined based on an access frequency that is an index showing a frequency at which the users access the file sharing environment and the number of users who access the file sharing environment; a processing content keeping part that keeps numerical ranges and processing contents in association with each other, the numerical ranges being defined in advance respectively for the average maintenance interval, the management difficulty, and the file sharing environment usage degree, the processing contents being defined respectively for the average maintenance interval calculating part, the management difficulty calculating part, and the file sharing environment usage degree calculating part, in association with the numerical ranges; a management object storing area that keeps each of the file sharing environments and the processing content in association with each other, the processing content kept in the processing content keeping part; and a processing content executing part that executes the processing contents kept in the processing content keeping part in association with each of the file sharing environments.10-27-2011
20110260466PERMANENT MAGNET TYPE ROTARY ELECTRIC MACHINE - For providing a permanent magnet type rotary electric machine that can reduce magnetic fluxes concentrated to one side in rotating direction on a magnetic pole circumferential face that causes torque ripple as well as ensure the mechanical strength, in the present invention, an outer circumference of respective magnetic poles is formed in a circular arc having a same curvature as well as the magnetic pole center axes of the respective magnetic poles are displaced with respect to the rotation center of a rotor so that an air gap between a stator and the respective magnetic pole outer circumferences at one side in the rotating direction is widened in comparison with the air gap at the other side.10-27-2011
20110260065OPTICAL MEASUREMENT APPARATUS - Provided is a near-infrared spectroscopy apparatus using a phosphor.10-27-2011
20110259409Photovoltaic Device - Disclosed is a photoelectric conversion device including a transparent conductor layer formed on a light transmissive substrate, an electron blocking layer covering the surface of the transparent conductor layer, a bulk heterojunction type photoelectric conversion layer in contact with the electron blocking layer, a hole blocking layer covering the surface of the photoelectric conversion layer, and a counter electrode covering the hole blocking layer, wherein the hole blocking layer is made of a material having a band gap of 3.0 eV or more, thereby the migration of holes from the photoelectric conversion layer is prevented and recombination or leakage current is suppressed.10-27-2011
20110259399Electric Power Generation Method Using Solar Cells and Photovoltaic Power Generation System - A photovoltaic power generation system includes a plurality of power generation panels and a power conditioner. The power generation panels and a radiation source are placed in a solar cell storage room buried typically in the ground. The radiation source includes radioactive waste generated in reprocessing of spent nuclear fuel. Each power generation panel has a phosphor member and a moderator member, which are disposed in that order on solar cells placed on a board. Radiation (for example, a gamma ray) emitted from the radiation source is injected on the power generation panel and is moderated by the moderator member. When the gamma ray with the reduced energy (below 100 keV) is injected on the phosphor member, it emits visible light. When the visible light is injected on the solar cells, electric power is generated.10-27-2011
20110259112Mechanical-Quantity Measuring Device - A mechanical-quantity measuring device capable of measuring a strain component in a specific direction with high precision is provided.10-27-2011
20110258473STORAGE SUBSYSTEM AND POWER SUPPLY SYSTEM - The present invention includes a plurality of disk units for storing data from a host computer, a plurality of power supply apparatuses for supplying DC power to each of the disk units via main power supply wirings, and a redundant power supply apparatus for generating, with any one of the disk units among the plurality of disk units as a load, DC power to the load. As auxiliary power supply wirings for guiding the output of the redundant power supply apparatus to each of the disk units, a common power supply wiring that is common to each of the power supply apparatuses, a plurality of branch power supply wirings branching from the common power supply wiring and connected to each of the disk units, and a redundant power supply wiring for connecting the redundant power supply apparatus and the common power supply wiring are wired to a backboard.10-20-2011
20110258406STORAGE APPARATUS AND CONTROL METHOD OF STORAGE APPARATUS - A storage apparatus having a plurality of logical volumes, each providing a data storage area to an external device, comprises a storage device providing a physical storage area, and a storage controller creating a plurality of unit physical storage areas from the storage device, operating each of the logical volumes as a virtual volume in which, in response to a data TO request from the external device, the unit physical storage area is added to each of the logical volumes, selecting any one of the logical volumes as a primary volume, selecting any one of the rest of the logical volumes as a secondary volume, the primary volume and the secondary volume being configured as a copy pair in which data in the primary volume can be copied to the secondary volume, in the case that the primary volume receives a discarding request for the unit physical storage area from the external device, determining whether or not the unit physical storage are exists, the unit physical storage area configuring the secondary volume corresponding to the unit physical storage area being a target of the discarding request, and in the case that it is determined that the unit physical storage area configuring the secondary volume exists, transmitting to the secondary volume an instruction for discarding the unit physical storage area assigned to the secondary volume.10-20-2011
20110258405METHOD FOR CONTROLLING DATA WRITE TO VIRTUAL LOGICAL VOLUME CONFORMING TO THIN PROVISIONING, AND STORAGE APPARATUS - The virtual volume is a virtual logical volume that conforms to Thin Provisioning, and is a logical volume configured from a plurality of virtual areas and used by a plurality of applications. In a case where the storage apparatus receives a write request comprising write-destination information for identifying a write-destination virtual area in the virtual volume, and, in addition, the write-destination virtual area is an unallocated virtual area, the storage apparatus selects a medium, which corresponds to the write to the write-destination virtual area and/or the identification information of the source of this write, from a plurality of media, which have different performances and which are each configured from two or more real areas, and allocates a real area from the selected medium to the write-destination virtual area.10-20-2011
20110258404METHOD AND APPARATUS TO MANAGE GROUPS FOR DEDUPLICATION - A storage system comprises one or more pool volumes having chunks for storing data; one or more primary volumes; writable snapshots as virtual volumes for each primary volume which is a common ancestor of the writable snapshots, each primary volume and corresponding writable snapshots being members forming a snapshot group; and a storage controller which includes a processor, a memory storing, for each snapshot group, group information of the members within the snapshot group, and a deduplication module. The deduplication module may identify a snapshot group for deduplication based on the group information and perform deduplication of data for the identified snapshot group in a deduplication area, or perform deduplication of data in a deduplication area which is specified based on the group information of a snapshot group being generated in the storage system.10-20-2011
20110258379METHOD AND APPARATUS TO MANAGE TIER INFORMATION - A method of tier management of data comprises performing a tier migration log information setup process which includes selecting an area specified by a virtual volume address and a logical volume address; determining a destination tier for the area based on a number of accesses to the area; and updating a tier migration log information by inputting the determined destination tier and a time; and performing a process using the tier migration log information to determine whether to migrate a specific area which includes loading a tier migration log from the tier migration log information by selecting a specific time; checking if a current tier of the specific area equals a destination tier specified by the tier migration log; and if the current tier is not equal to the destination tier, migrating the specific area to the destination tier.10-20-2011
20110258377DISK ARRAY SYSTEM AND COMMAND PROCESSING METHOD FOR DISK ARRAY SYSTEM - Commands can be issued by being flexibly adjusted to each of an in-band method and an out-of-band method.10-20-2011
20110255706Sound Generator - A sound generator is provided capable of generating vehicle sound that will be produced when a specific sound element is changed out of a plurality of sound elements arising from the operation of a plurality of components mounted on a vehicle. A sound generator 10-20-2011
20110255570ADAPTIVE FREQUENCY HOPPING IN TIME-SLOTTED BASED WIRELESS NETWORK - In a wireless network system, the nodes share a frequency hopping pattern. A method comprises providing a channel list table which includes, for each transmitting node, one or more channel lists, each channel list containing conditions of the channels of the shared frequency hopping pattern that include at least one available channel for communications with a target node; selecting a channel of a next allocated time slot from the shared frequency hopping pattern at the transmitting node; selecting the channel list for the target node from the channel list table, to which the transmitting node transmits; checking if the selected channel is available based on the selected channel list; setting the selected channel at the transmitting node if the selected channel is available; and calculating a substitute channel from the channel list if the selected channel is not available.10-20-2011
20110255539Communication System and Communication Control Device - Provided is a communication system which connects a unified C/U router to a network having C/U separation, wherein the stopping of U-plane communication of the unified C/U router is prevented even when the messages transmitted from a C-plane controller of the network having C/U separation do not arrive because of faults in the network having C/U separation. The routing information of a C-plane message (routing protocol) received by a U-plane controller is sent to an adjacent peer without being reflected in a routing table of the U-plane controller. The routing table of the U-plane controller is generated on the basis of the routing information (FIB information) received directly from the C-plane controller. In addition, a keep-alive packet from the unified C/U router is not sent to the C-plane controller and keeps alive the connection with the user router at the transmission destination.10-20-2011
20110255519Signal Mapping Method and Communication Device - Ameliorate deterioration in quality of communication caused by intercell interference with respect to a multicarrier communications protocol, such as OFDM. A method of positioning an error correction-coded signal is changed with a data symbol that is transmitted simultaneously with a pilot signal and a data symbol that is not simultaneous with the pilot symbol. Else, a modulation protocol is changed with a data symbol that is transmitted simultaneously with a pilot signal and a data symbol that is not simultaneous with the pilot symbol. It would further be permissible to lower either a signal amplitude or a power level of a data symbol that is transmitted simultaneously with a pilot signal.10-20-2011
20110252354APPARATUS AND METHOD FOR MANAGING A PLURALITY OF KINDS OF STORAGE DEVICES - A storage system including a memory unit having a disk management program, plural disk controllers each having a SAS port which can be attached to either a SAS disk drive or a SATA disk drive, and a LAN port which communicates with a user interface program in a management console. Upon receiving a request from the user interface program requesting what kinds of disk drives are attached to the disk controllers, the disk management program communicates with each disk controller to determine what kind of disk drive is attached to the disk controller, selects based on a result an appropriate protocol for the disk drive, sends a request to the disk controller to retrieve detailed information of the disk drive using the selected protocol, and sends the detailed information received from the disk controller back to the user interface program for display on a monitor of the management console.10-13-2011
20110252214MANAGEMENT SYSTEM CALCULATING STORAGE CAPACITY TO BE INSTALLED/REMOVED - A storage apparatus coupled to a host device comprises a virtual volume which is a virtual logical volume configured of multiple virtual areas and a pool configured of multiple actual area groups of different performances. A controller manages pool status information which is the information showing which actual area is allocated to which virtual area and access load related to the virtual areas. A management system of the storage apparatus, with reference to the pool status information at multiple points of time from past to present and an access load threshold which is equal to or larger than 1, estimates the used capacity of each actual area group at points of time in the future, calculates the installed/removed amount of each actual area group which is the difference between the estimated used capacity and the current storage capacity, and performs the processing based on the calculated result.10-13-2011
20110252212STORAGE CONTROL SYSTEM AND METHOD - A storage system having a plurality of storage devices including a first type storage device and a second type storage device, a reliability attribute and/or a performance attribute of the first type storage device being different from a reliability attribute and/or a performance attribute of the second type storage device. The storage system also has a control unit and managing a plurality of virtual volumes. If necessary, a storage area allocated to a first portion of a virtual volume of the plurality of virtual volumes is changed from a first type storage area of the plurality of first type storage areas to a second type storage area of the plurality of second type storage areas while another first type storage area of the plurality of first type storage areas is allocated to a second portion of the virtual volume.10-13-2011
20110252198STORAGE NETWORK SYSTEM AND ITS CONTROL METHOD - A storage network system that prevents waste of a core's resources and is thereby operated efficiently, and a method for controlling such a storage network system are provided.10-13-2011
20110252196METHOD OF EXTENSION OF STORAGE CAPACITY AND STORAGE SYSTEM USING THE METHOD - Provided are a storage system and a method of controlling a storage system in which respective real storage areas of a plurality of disk drives contained in the storage system contain management units, and a control device of the storage system assigns a real storage area of a plurality of first disk drives to the virtual storage area, distributedly stores the data in the plurality of management units of the assigned real storage area, distributedly stores, upon receiving a request for adding a second disk drive, the data stored in the plurality of management units of the plurality of first disk drives in the plurality of management units of the plurality of first disk drives and the second disk drive, and assigns the real storage area of the plurality of first disk drives and the second disk drive to an unused virtual storage area.10-13-2011
20110252195DISK ARRAY SYSTEM AND HARD DISK DRIVE EXPANSION METHOD THEREOF - Even if an arbitrary hard disk drive is added, the hard disk drive is operated in a specific operation mode suited for that hard disk drive. As triggered by attachment of a hard disk drive to a disk adapter, a processor operates the hard disk drive in a predetermined operation mode based on predetermined parameter information that has been prepared in advance. The hard disk drive stores, in advance, particular parameter information including information about the specific operation mode suited for operation. The processor reads the particular parameter information from the hard disk drive in the predetermined operation mode and operates the hard disk drive in the specific operation mode based on the particular parameter information.10-13-2011
20110252176STORAGE SYSTEM MOUNTED WITH PLURALITY OF PROCESSORS - A storage system 10-13-2011

Patent applications by Hitachi, Ltd.