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7529971 |
Composite memory device, data wiring method and program
There is provided a composite memory device including a recording medium and nonvolatile recording medium and in which data is written to and read from the recording mediums on the basis of a...
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7526667 |
Error reporting and correcting method for peripheral
An error reporting and correcting method applied to a peripheral. The peripheral can be connected to the user terminal via the network. In the error reporting and correcting method, an error record...
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7523345 |
Cascading failover of a data management application for shared disk file systems in loosely coupled node clusters
Disclosed is a mechanism for handling failover of a data management application for a shared disk file system in a distributed computing environment having a cluster of loosely coupled nodes which...
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7523110 |
High availability designated winner data replication
Collisions are resolved in a database replication system. The system includes a plurality of nodes arranged in either a master-slave or network configuration. Each node includes a database, wherein...
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7519741 |
Apparatus, system, and method for automating adapter replacement
An apparatus, system, and method are disclosed for automating adapter replacement. An input module receives an identification of a first adapter. A storage configuration module removes the first...
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7516037 |
Method evaluating threshold level of a data cell in a memory device
A method evaluating threshold of a data cell in a memory device including a programming locus coupled with the data cell for receiving a programming signal setting a stored signal level in the data...
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7516348 |
Selective power management of disk drives during semi-idle time in order to save power and increase drive life span
Redundancy in storage arrays is used to extend the life of disk drives and conserve power. In an exemplary storage array, a group of storage devices includes y storage devices. Data and redundant...
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7516288 |
Method and apparatus for computing file storage elements for backup and restore
A method and apparatus for method for transferring files between a primary storage system and a backup and restore system is described. The system generates collapsed extents which are used to...
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7516353 |
Fall over method through disk take over and computer system having failover function
When a primary server executing a task fails in a computer system where a plurality of servers are connected to an external disk device via a network and the servers boot an operation system from...
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7512637 |
Storage system and undo processing method
A storage system and an undo processing method that can facilitate undo processing for configuration change operations that have been performed for storage apparatuses by different administrators....
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7512772 |
Soft error handling in microprocessors
A method for low cost handling of soft error in a microprocessor system is described, which includes detecting a soft error, indicating a register having soft error to an instruction unit, flushing...
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7512836 |
Fast backup of compute nodes in failing midplane by copying to nodes in backup midplane via link chips operating in pass through and normal modes in massively parallel computing system
A method and apparatus for fast backup of a set of compute nodes to save the state of the software in a parallel computer system. A fast backup mechanism in the service node of the computer system...
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7512834 |
Apparatus, system, and method for providing parallel access to a data set configured for automatic recovery
An apparatus, system, and method are disclosed for providing parallel access to a data set configured for automatic recovery. The apparatus includes an access module, a conversion module, a...
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7509523 |
Storage system with cascaded copy targeting and enhanced integrity
A storage controller includes an interface to host computer apparatus and an interface to a plurality of controlled storage apparatus. The storage controller comprises a host write component...
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7509466 |
Backup method for a copy pair using newly created logical volume via virtual server device
Provided is a technology in which: a request-source storage device provides a request-source server device with a storage area of a disk drive as at least one logical volume; the request-source...
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7509524 |
Systems and methods for a distributed file system with data recovery
The intelligent distributed file system enables the storing of file data among a plurality of smart storage units which are accessed as a single file system. The intelligent distributed file system...
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7506187 |
Methods, apparatus and controllers for a raid storage system
Provided are RAID storage systems, methods, and controllers for RAID storage systems. A first method includes storing a first copy of the data in a first RAID array corresponding to a first RAID...
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7506213 |
Method and apparatus for handling data corruption or inconsistency in a storage system
A method for handling a fault in a storage system comprises maintaining data in a mass storage subsystem and providing access to the data on behalf of a client. The method further comprises...
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7506201 |
System and method of repair management for RAID arrays
A storage array disposed in a data storage system is reconfigured. A data storage system is supplied comprising a plurality of data storage devices, wherein each of the plurality of data storage...
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7506200 |
Apparatus and method to reconfigure a storage array disposed in a data storage system
A method is disclosed to reconfigure a storage array disposed in a data storage system. The method supplies a data storage system comprising a plurality of data storage devices, wherein each of the...
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7502954 |
High availability data storage system
A data storage system includes a disk drive array including a plurality of disk drives; a first storage processor for controlling the operation of the data storage system; a second storage...
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7500135 |
Fault tolerant data storage device
Aspects of the invention incorporate a method and a system of providing fault tolerant data recovery in one or more data storage drives of a data storage device. The method of implementing fault...
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7490270 |
Method, system, and software for rebuilding a storage drive
When a storage drive used as part of a redundant storage system is rebuilt, a drive controller obtains information for the rebuild process from an operating system (OS) specific agent. The...
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7490196 |
Data backup using both tape and disk storage
A magnetic tape apparatus for backup stores data provided from a computer on a magnetic tape. A writing circuit writes data provided from the computer on the magnetic tape, and switches a writing...
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7487309 |
Computer system and process for transferring multiple high bandwidth streams of data between multiple storage units and multiple applications in a scalable and reliable manner
Multiple applications request data from multiple storage units over a computer network. The data is divided into segments and each segment is distributed randomly on one of several storage units,...
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7487385 |
Apparatus and method for recovering destroyed data volumes
In an embodiment of the invention, a method is provided for updating configuration information associated with a data volume. The method reduces the occurrences of updates of saved configuration...
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7487387 |
Recording medium defect management
A recording medium (D) comprises a file system area (FSA), a data area (DAA) and an initial defect management area (DMA). A system comprises a drive (DR) for writing data (DA) to or reading data...
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7484117 |
Method and apparatus for detecting and remedying excessive loop initialization
A drive shelf includes an embedded switching hub (ESH) that monitors Fibre Channel Arbitrated Loop (FC-AL) traffic, including loop initialization requests (LIRs), coming from drives attached to the...
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7484114 |
Method and apparatus for providing redundant access to a shared resource with a shareable spare adapter
An apparatus, method and program product provide access for a host device to a shared resource via a spare adapter configured to replace any of a plurality of access adapters.
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7480820 |
Disk array apparatus, method for controlling the same, and program
The present invention proposes a disk array apparatus that can be inexpensively constructed while maintaining its high reliability, and also proposes a method for controlling the disk array...
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7480816 |
Failure chain detection and recovery in a group of cooperating systems
A cluster or group of cooperating systems may implement failure chain detection and recovery. The group may include multiple nodes and each node may include a group management services (GMS) module...
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7478285 |
Generation and use of system level defect tables for main memory
Methods and apparatus for maintaining and utilizing system memory defect tables that store information identifying defective memory locations in memory modules. For some embodiments, the defect...
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7475283 |
Anomaly 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...
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7472223 |
Surface level sparing in disk drives
A technique involves accessing a hard disk platter surface using surface virtualization. The technique includes receiving a command to access a hard disk platter surface. The command specifies an...
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7472307 |
Recovery operations in storage networks
Exemplary storage network architectures, data architectures, and methods for creating and using snapdifference files in storage networks are described. One exemplary method may be implemented in a...
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7467276 |
System and method for automatic root volume creation
A system and method automatically generates a root volume for use by a storage operating system of a storage system. During initialization of the storage system, the storage operating system...
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7464290 |
Data storage system and managing method thereof
A method for managing a data storage system is provided. The data storage system includes a primary storage device and a spare storage device. The primary storage device includes a plurality of...
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7464248 |
Microprocessor systems and bus address translation methods
A microprocessor system contains a read-only memory (ROM) for storing programs or firmware. Retrieval and execution of program code is controlled by a microprocessor address bus. Erroneous data in...
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7464289 |
Storage system and method for handling bad storage device data therefor
A storage system and method for handling bad storage device data therefor are described. The present invention uses a first mark and/or a second mark for the data processing of the redundant...
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7457916 |
Storage system, management server, and method of managing application thereof
In a storage system having a plurality of disk array devices connected through a network to a host for running an application, and a management server for monitoring the disk array devices, the...
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7447714 |
Management of multiple virtual data copies
More than two copies of data in a storage management system may be managed by directing at least one virtual volume to a receiving management class within the storage management system. Each...
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7447935 |
Computer data storage unit reinstallation data protection method and system
A computer data storage unit reinstallation data protection method and system is proposed, which is designed for use with a computer platform for providing a reinstallation data protection function...
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7447837 |
Control device for a RAID device
A control device for a RAID device is provided which changes, when one or more disks are added, allocation of segments to existing stripes, each of which have created by use of existing disks, by...
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7447938 |
System and method for reducing unrecoverable media errors in a disk subsystem
A system and method for reducing unrecoverable errors in a disk drive by undertaking an aggressive reassignment of slow-reading or currently recoverable-but-erroneous sectors to the spares pool is...
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7447840 |
Disk array and method for reading/writing data from/into disk unit
When a bus is used as a data communication channel, data within a disk unit cannot be reproduced or copied into a spare disk while a control unit is making read/write processing based on a request...
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7444543 |
Data control unit capable of correcting boot errors, and corresponding self-correction method
A boot method for a data control unit downloads boot information from a nonvolatile memory into a temporary buffer of a boot-activation unit. A processing unit is activated by the boot-activation...
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7441147 |
System and method for storing and restoring a data file using several storage media
A system and method for storing and restoring a data file using several storage media. The method begins with the step of generating several identical copies of the data file. The identical copies...
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7437053 |
Digital video recorder, method of driving the video recorder and program
A digital video recorder writes data on a selected one of a first storage medium and a second storage medium. The recorder includes an abnormal state detector for detecting any abnormal event that...
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7437600 |
Method of data writing to and data reading from storage device and data storage system
Reliability of stored data in a semiconductor storage device such as a flash memory is enhanced. There are provided (n+1) physical storage regions each having m data storage areas and for which...
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7434097 |
Method and apparatus for efficient fault-tolerant disk drive replacement in raid storage systems
An apparatus and a method for improving the fault tolerance of storage systems by replacing disk drives, which are about to fail, are disclosed. The set of disk drives in a storage system are...
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