Method and system for recovering from operating system failure

Details Method and system for recovering from operating system failure Method and system for recovering from operating system failure

1998-04-28

2000-12-26

Cabeca, John W.

Electrical computers and digital processing systems: memory

Storage accessing and control

Control technique

711129, 711163, G06F 1200, G06F 1214

Patent

active

06167494&

ABSTRACT:
A method, system and computer program product in which half of the storage space on a non-volatile storage device is used to maintain a copy of the last "known-good" copy of the operating system and on invocation by a user, restoring from this backup copy when, for example, the operating system has become corrupted due to changes made to settings or device drivers.

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D J Winarski and T Y Winarski, IBM Technical Disclosure Bulletin, v 39, n 8, "Multimedia Byte for Partial Mirroring", Aug. 1996, pp. 15-17.
J W Blackledge et al, IBM Technical Disclosure Bulletin v 35, n 4b, "User Data Area Protection", pp. 481-483, Sep. 1992.
J L Craft and J M Shieh, IBM Technical Disclosure Bulletin, v 36, n 12, "Automtic Swap of the Primary and Secondary Mirrors in a Disk Mirror System", pp. 85-86, Dec. 1993.

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