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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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7457929 |
Data processing system having a plurality of storage systems
It is an object of the present invention to conduct data transfer or data copying between a plurality of storage systems, without affecting the host computer of the storage systems. Two or more...
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7454655 |
Autonomic recovery of PPRC errors detected by PPRC peer
A method for initiating a data storage facility recovery process in a data processing system having a first peer data storage facility and a second peer data storage facility communicating with the...
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7453774 |
Disk array system
A disk array system having first and second housings and a controller for controlling the first and second housings. Fiber channel hard disk drives are received in the first housing, and serial ATA...
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7454557 |
System and method for booting from a non-volatile application and file storage device
A system for booting a microprocessor controlled system wherein a basic interface between the processor and peripheral devices is stored and retrieved from the general purpose application and file...
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7451164 |
System and method for replicating data
According to the present invention, techniques for controlling copying of logical volumes within a computer storage system are provided. A representative embodiment includes a plurality of storage...
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7451283 |
Method, system, and program for copying tracks between a primary storage and secondary storage
Provided are a method, system, and program for copying tracks between a primary controller and secondary controller. A track is received from the primary controller that is part of a copy job...
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7451346 |
Storage control device and data recovery method for storage control device
The present invention efficiently recovers an error drive by suppressing futile copying. When the number of errors of the disk drive is equal to or more than a first threshold, data stored in the...
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7451345 |
Remote copy synchronization in disaster recovery computer systems
A method, storage system, and machine-readable medium for resynchronizing data stored among a first storage element and a second storage element of a remote copy pair of storage elements is...
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7451270 |
System and method for detecting and correcting errors in a control system
A system and method for detecting and correcting errors within a control system is disclosed. A storage device stores data values that are used to control one or more circuits within the system....
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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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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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7447937 |
Method for generating sparse logical volume mirrors within data storage systems
A method for generating sparse logical volume mirrors within data storage systems is disclosed. After one of the mirrored physical volumes within a mirrored physical volume configuration has been...
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7447855 |
Data processing method providing remote copy in a system having first, second, and third storage systems
A data processing system includes at least a first storage system, a second storage system and a third storage system. The third storage system maintains a replication of data stored in the first...
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7447888 |
Method for restoring computer operating system
The present invention provides a method for restoring a computer operation system comprising at least steps of: a) backing up information related to start up of the computer in an HPA of a hard...
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7447948 |
ECC coding for high speed implementation
Methods and apparatus for performing error correction code (ECC) coding techniques for high-speed implementations. The ECC code word is structured to facilitate a very fast single-error-detect...
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7441145 |
Failure monitoring for storage systems constituting multiple stages
To provide a computer system capable of detecting a failure at an early stage while keeping down an increase in I/O load due to failure monitoring. The computer system includes plural storage...
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7441146 |
RAID write completion apparatus, systems, and methods
Apparatus and systems, as well as methods and articles, may operate to respond to a write request from a disk I/O process with write completion status from a RAID sub-system after writing update...
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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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7441144 |
Computer cluster, computer unit and method to control storage access between computer units
A method, computer cluster and computer unit for performing storage access shift between computer units. A redundant computer cluster comprises computer units and a shared storage unit. The...
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7441148 |
Method and apparatus for volume replication management at planned and unplanned link down
A technique for restoring data after suspension of a communications link between two storage systems is disclosed. Upon suspension of the link, an image of the data at the first and second...
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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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7437598 |
System, method and circuit for mirroring data
Disclosed is a system, method and circuit for mirroring data on a data server. According to some embodiments of the present invention, a primary mirroring module associated with a primary server...
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7437523 |
System and method for on-the-fly file folding in a replicated storage system
A file folding technique reduces the number of duplicate data blocks of the file consumed on a storage device of a file server. According to the file folding technique, the “old” data blocks...
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7437602 |
Memory card apparatus configured to provide notification of memory capacity
The service life of memory cards is to be substantially elongated against the occurrence of faulty blocks. A control logic searches blocks in a nonvolatile memory cell array for any acquired fault...
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7437524 |
Method and apparatus for dumping memory
The present invention relates to a method and apparatus for dumping memory. More particularly a computer-implemented method of saving at least some data within volatile storage to non-volatile...
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7437601 |
Method and system for re-synchronizing an asynchronous mirror without data loss
A method and system for re-synchronizing a broken asynchronous data mirror while preserving data that is unique to either a first volume or second volume making up the mirror are disclosed....
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7437597 |
Write-back cache with different ECC codings for clean and dirty lines with refetching of uncorrectable clean lines
A write-back cache has error-correction code (ECC) fields storing ECC bits for cache lines. Clean cache lines are re-fetched from memory when an ECC error is detected. Dirty cache lines are...
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7437603 |
Method for restoring snapshot in a storage system
Provided is a technique which solves a problem of a long-time reduction in a service level after service restoration and a problem of a failure caused by a disk capacity shortage during primary...
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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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7437599 |
System and method for effectively implementing an immunity mode in an electronic device
A system and method for effectively implementing an immunity mode in an electronic device includes a processor module for executing processing tasks for the electronic device. The processor module...
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7434094 |
Remote copy processing method, program, and system
According to a copy instruction from a host, a session in which entire or partial data of a primary volume of a first RAID device of the copy source is transferred and copied to the same position...
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7433999 |
Storage controller and method for storage control with non-contiguous stored parities
Storage destination controller devices wherein N number of data strips and M number of parity strips comprised in each stripe are determined so that the parity strips are not continuously stored to...
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7434090 |
Method and apparatus for just in time RAID spare drive pool management
Spare disk drive management in a storage system. The storage system comprises disk drives and spare disk drives. Spare disk drives are initially kept in power-off state. The storage system detects...
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7434093 |
Dual channel restoration of data between primary and backup servers
Data blocks lost at a primary mass storage are restored while allowing the primary computer system to access the lost data block before full restoration. Restoration occurs along two channels. In...
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7434091 |
Flexibly combining mirroring, concatenation and striping in virtual storage devices
A volume server for flexibly combining mirroring, striping and concatenation in virtual storage devices includes virtualization functionality and a layout table. The virtualization functionality...
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7434095 |
Data reconstruction method and system wherein timing of data of data reconstruction is controlled in accordance with conditions when a failure occurs
A data storage system connectable to a host unit which issues data read/write requests to the data storage system, and which includes a plurality of disc units, and a controller connected to the...
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7433300 |
Synchronization of configuration data in storage-area networks
Many storage-area networks (SANs) were developed to facilitate high-speed storage of large quantities of digital data. However, at least some conventional SANs present increased maintenance costs...
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7434089 |
System and method for loading software into a control panel for a chiller system
A system and process for loading control software into the control panel of a liquid chiller system is provided. A PCMCIA card socket is installed on a circuit board of a liquid chiller control...
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7434092 |
Semiconductor memory and method of storing configuration data
Redundantly repaired semiconductor memory and method in which the configuration data for the memory is stored in an area of the main memory array which is known to be free of bad bits, along with a...
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7434096 |
Match server for a financial exchange having fault tolerant operation
Fault tolerant operation is disclosed for a primary match server of a financial exchange using an active copy-cat instance, a.k.a. backup match server, that mirrors operations in the primary match...
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7430647 |
Emulated storage system
A method comprising acts of creating a full back-up data set comprising a first plurality of data files, creating at least one incremental back-up data set comprising a second plurality of data...
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7430686 |
Data processing recovery system and method spanning multiple operating system
A system and method for recovering from a computer system crashing as a result of the storage disk suffering physical damage and/or the corruption of an application, operating system, and/or data....
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7430646 |
Planned switchover in connection with triangular asynchronous replication
A primary group may be swapped with a synchronous backup group where triangular asynchronous replication is being provided between the primary group, the synchronous backup group and an...
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7428584 |
Method for managing a network including a storage system
A SAN manager acquires information which each unit manages from a management agent of each unit connected to a SAN, detects virtual volume mapping and real volume mapping in the SAN based upon the...
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7426655 |
System and method of enhancing storage array read performance using a spare storage array
A system and method for enhancing read performance of at least one storage array using a spare storage array of coupled spare drives, wherein the at least one storage array includes coupled drives...
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7424637 |
Technique for managing addition of disks to a volume of a storage system
A technique manages the addition of disks to a volume of a storage system. A disk addition procedure is encapsulated into a DISKADD object conforming to a configuration management framework used to...
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7424524 |
Distributed means of organizing an arbitrarily large number of computers
A technique for organizing a plurality of computers such that message broadcast, content searching, and computer identification of the entire collection or a subset of the entire collection may be...
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7424642 |
Method for synchronization of a controller
A system and method for reintegration of a redundant controller after occurrence of a fault is provided, comprising synchronizing outputs of a primary controller with outputs of secondary...
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7421550 |
Storage system and storage system management method
A storage system secures system redundancy through a simple configuration. A primary storage control device and first secondary storage control device are connected by a synchronous method, and the...
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