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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...
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...
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...
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...
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...
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...
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...
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...
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...
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....
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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,...
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...
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...
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...
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.
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...