Method and apparatus for performing data backup

Details Method and apparatus for performing data backup Method and apparatus for performing data backup

2007-02-06

2009-06-16

Nguyen, Than (Department: 2187)

Electrical computers and digital processing systems: memory

Storage accessing and control

Control technique

C711S161000

Reexamination Certificate

active

07549031

ABSTRACT:
A method for performing data backups is disclosed. An initial backup operation is performed on all datasets within a recording medium. A subsequent backup operation is performed on any of the datasets in a day at which the dataset has been rewritten or in a day at which a predetermined period for the dataset expires, whichever day comes first. The subsequent backup operation is performed on any of the datasets until another initial backup operation needs to be performed on all of the datasets again.

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