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Class Information
Number: 714/15
Name: Error detection/correction and fault detection/recovery > Data processing system error or fault handling > Reliability and availability > Fault recovery > State recovery (i.e., process or data file)
Description: Subject matter further including means or steps for recovery by restoring data in a data file, or data for a process, to data at a previous point in time.

Sub-classes under this class:

Class Number Class Name Patents
714/16 Forward recovery (e.g., redoing committed action) 350
714/20 Plural recovery data sets containing set interrelation data (e.g., time values or log record numbers) 550
714/21 State validity check 208
714/18 Transmission data record (e.g., for retransmission) 320
714/19 Undo record 201
714/22 With power supply status monitoring 509

Patents under this class:
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Patent Number Title Of Patent Date Issued
6738926 Method and apparatus for recovering a multi-threaded process from a checkpoint May. 18, 2004
6735716 Computerized diagnostics and failure recovery May. 11, 2004
6732124 Data processing system with mechanism for restoring file systems based on transaction logs May. 4, 2004
6732293 Method, software and apparatus for recovering and recycling data in conjunction with an operating system May. 4, 2004
6725392 Controller fault recovery system for a distributed file system Apr. 20, 2004
6721764 Copy on write file system consistency and block usage Apr. 13, 2004
6708287 Active/standby dual apparatus and highway interface circuit for interfacing clock from highway Mar. 16, 2004
6708288 Compiler-based checkpointing for support of error recovery Mar. 16, 2004
6701454 Method and system for recovering information during a program failure Mar. 2, 2004
6697960 Method and system for recovering data to maintain business continuity Feb. 24, 2004
6694447 Apparatus and method for increasing application availability during a disaster fail-back Feb. 17, 2004
6694450 Distributed process redundancy Feb. 17, 2004
6694451 Method for redundant suspend to RAM Feb. 17, 2004
6691139 Recreation of archives at a disaster recovery site Feb. 10, 2004
6691245 Data storage with host-initiated synchronization and fail-over of remote mirror Feb. 10, 2004
6691250 Fault handling process for enabling recovery, diagnosis, and self-testing of computer systems Feb. 10, 2004
6687847 Failure detector with consensus protocol Feb. 3, 2004
6684111 Apparatus for power failure identification in a programmable household appliance and method for identifying power failure Jan. 27, 2004
6684306 Data backup in presence of pending hazard Jan. 27, 2004
6668336 Ruggedized block device driver Dec. 23, 2003
6665813 Method and apparatus for updateable flash memory design and recovery with minimal redundancy Dec. 16, 2003
6665814 Method and apparatus for providing serialization support for a computer system Dec. 16, 2003
6662311 Information processing apparatus with resume function and information processing system Dec. 9, 2003
6658557 Synthesizing the instruction stream executed by a microprocessor from its branch trace data Dec. 2, 2003
6658590 Controller-based transaction logging system for data recovery in a storage area network Dec. 2, 2003
6654879 Method and apparatus for analyzing code for out-of-range data involving base and seed tables/lists Nov. 25, 2003
6651185 High availability platform with fast recovery from failure by reducing non-response time-outs Nov. 18, 2003
6647301 Process control system with integrated safety control system Nov. 11, 2003
6643797 Single I/O session to commit a single transaction Nov. 4, 2003
6636963 Quick starting for microprocessor-based system by retrieving a target state memory image and a target state data structure from an image storage medium Oct. 21, 2003
6636988 Application of automation and procedures to enable high-speed recovery and relocation of computer workloads Oct. 21, 2003
6631478 Technique for implementing high performance stable storage hierarchy in a computer network Oct. 7, 2003
6629263 Fault tolerant network element for a common channel signaling (CCS) system Sep. 30, 2003
6629264 Controller-based remote copy system with logical unit grouping Sep. 30, 2003
6625754 Automatic recovery of a corrupted boot image in a data processing system Sep. 23, 2003
6618794 System for generating a point-in-time copy of data in a data storage system Sep. 9, 2003
6618819 Sparing system and method to accommodate equipment failures in critical systems Sep. 9, 2003
6614366 Information additive code generator and decoder for communication systems Sep. 2, 2003
6609184 Method of and apparatus for recovery of in-progress changes made in a software application Aug. 19, 2003
6609214 Method, system and program products for copying coupling facility structures Aug. 19, 2003
6609215 Method and system for implementing network filesystem-based customized computer system automated rebuild tool Aug. 19, 2003
6606715 Device control apparatus and control method Aug. 12, 2003
6601188 Method and apparatus for external crash analysis in a multitasking operating system Jul. 29, 2003
6594779 Method, system and program products for managing the checkpointing/restarting of resources of a computing environment Jul. 15, 2003
6594780 Operating system and data protection Jul. 15, 2003
6594781 Method of restoring memory to a previous state by storing previous data whenever new data is stored Jul. 15, 2003
6594784 Method and system for transparent time-based selective software rejuvenation Jul. 15, 2003
6591379 Method and system for injecting an exception to recover unsaved data Jul. 8, 2003
6587941 Processor with improved history file mechanism for restoring processor state after an exception Jul. 1, 2003

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