Method and apparatus for data backup and recovery

Error detection/correction and fault detection/recovery – Data processing system error or fault handling – Reliability and availability

Reexamination Certificate

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Reexamination Certificate

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06944789

ABSTRACT:
Data backup and recovery of a personal computer (PC) involves determining an operating situation of the PC in terms of availability of internal and remote disk drives. Data I/O is made with the internal and/or remote disk drives according to the operating situation. Corresponding updates are made to a bitmap to coordinate backing up data to and recovering data from the remote disk drive.

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Briefcase Data Transfer System and Icon Interface, IBM Technical Disclosure Bulletin, Apr. 1994, pp 447-448.

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