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Class Information
Number: 714/6
Name: Error detection/correction and fault detection/recovery > Data processing system error or fault handling > Reliability and availability > Fault recovery > By masking or reconfiguration > Of memory or peripheral subsystem > Redundant stored data accessed (e.g., duplicated data, error correction coded data, or other parity-type data)
Description: Subject matter further including means or steps for recovery by accessing redundant stored data.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7096372 |
Storage control device having two I/O control units each having two or more AC/DC power supply devices supplied by least three AC power supplies |
Aug. 22, 2006 |
| 7096378 |
Data storage system having a non-volatile IC based memory for storing user data |
Aug. 22, 2006 |
| 7096379 |
Recovery of file system data in file servers mirrored file system volumes |
Aug. 22, 2006 |
| 7096382 |
System and a method for asynchronous replication for storage area networks |
Aug. 22, 2006 |
| 7092868 |
Annealing harvest event testcase collection within a batch simulation farm |
Aug. 15, 2006 |
| 7092982 |
Storage system with method of minimizing redundant transmissions over a plurality of communication paths |
Aug. 15, 2006 |
| 7093158 |
Data redundancy in a hot pluggable, large symmetric multi-processor system |
Aug. 15, 2006 |
| 7093159 |
Method and system for four disk fault tolerance in a disk array |
Aug. 15, 2006 |
| 7093182 |
Data redundancy methods and apparatus |
Aug. 15, 2006 |
| 7093299 |
System for authenticating digital data |
Aug. 15, 2006 |
| 7089357 |
Locally buffered cache extensions having associated control parameters to determine use for cache allocation on subsequent requests |
Aug. 8, 2006 |
| 7089384 |
Appliance for asynchronous data storage mirroring |
Aug. 8, 2006 |
| 7089385 |
Tracking in-progress writes through use of multi-column bitmaps |
Aug. 8, 2006 |
| 7089446 |
Method, system, and article of manufacture for creating a consistent copy |
Aug. 8, 2006 |
| 7089447 |
Apparatus and method for compression based error correction procedure in a data processing system |
Aug. 8, 2006 |
| 7089448 |
Disk mirror architecture for database appliance |
Aug. 8, 2006 |
| 7089449 |
Recovering a system that has experienced a fault |
Aug. 8, 2006 |
| 7089461 |
Method and apparatus for isolating uncorrectable errors while system continues to run |
Aug. 8, 2006 |
| 7089484 |
Dynamic sparing during normal computer system operation |
Aug. 8, 2006 |
| 7085886 |
Autonomic power loss recovery for a multi-cluster storage sub-system |
Aug. 1, 2006 |
| 7085904 |
Storage system and method for backup |
Aug. 1, 2006 |
| 7085955 |
Checkpointing with a write back controller |
Aug. 1, 2006 |
| 7085956 |
System and method for concurrent logical device swapping |
Aug. 1, 2006 |
| 7085957 |
Upgrading of firmware with tolerance to failures |
Aug. 1, 2006 |
| 7085962 |
Method and system for completing a backup job that was interrupted during a backup process |
Aug. 1, 2006 |
| 7082506 |
Remote copy control method, storage sub-system with the method, and large area data storage system using them |
Jul. 25, 2006 |
| 7082548 |
Backup system and duplicating apparatus |
Jul. 25, 2006 |
| 7082549 |
Method for fault tolerant updating of an electronic device |
Jul. 25, 2006 |
| 7080196 |
Raid apparatus and access control method therefor which balances the use of the disk units |
Jul. 18, 2006 |
| 7080200 |
System and method for handling writes in HDD using 4K block sizes |
Jul. 18, 2006 |
| 7080221 |
Method and apparatus for managing migration of data in a clustered computer system environment |
Jul. 18, 2006 |
| 7080278 |
Technique for correcting multiple storage device failures in a storage array |
Jul. 18, 2006 |
| 7076491 |
Upward and downward compatible data processing system |
Jul. 11, 2006 |
| 7076606 |
Accelerated RAID with rewind capability |
Jul. 11, 2006 |
| 7076607 |
System, method, and apparatus for storing segmented data and corresponding parity data |
Jul. 11, 2006 |
| 7076685 |
Information replication system mounting partial database replications |
Jul. 11, 2006 |
| 7076686 |
Hot swapping memory method and system |
Jul. 11, 2006 |
| 7076687 |
System and method for bi-directional failure detection of a site in a clustering system |
Jul. 11, 2006 |
| 7076688 |
Failure information management method and management server in a network equipped with a storage device |
Jul. 11, 2006 |
| 7076690 |
Method and apparatus for managing access to volumes of storage |
Jul. 11, 2006 |
| 7073036 |
Backup system and method for tape recording medium |
Jul. 4, 2006 |
| 7073089 |
External fault tolerant shared memory unit in a distributed multiprocessing system |
Jul. 4, 2006 |
| 7073090 |
Remote data mirroring system having a remote link adapter |
Jul. 4, 2006 |
| 7073115 |
Correcting multiple block data loss in a storage array using a combination of a single diagonal parity group and multiple row parity groups |
Jul. 4, 2006 |
| 7069317 |
System and method for providing out-of-band notification of service changes |
Jun. 27, 2006 |
| 7069381 |
Automated Recovery from data corruption of data volumes in RAID storage |
Jun. 27, 2006 |
| 7069382 |
Method of RAID 5 write hole prevention |
Jun. 27, 2006 |
| 7069392 |
Methods and apparatus for extended packet communications between multiprocessor clusters |
Jun. 27, 2006 |
| 7069400 |
Data processing system |
Jun. 27, 2006 |
| 7069401 |
Management of frozen images |
Jun. 27, 2006 |
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