Disk array apparatus and data backup method used therein

Details Disk array apparatus and data backup method used therein Disk array apparatus and data backup method used therein

2005-05-24

2005-05-24

Lane, Jack A. (Department: 2188)

Electrical computers and digital processing systems: memory

Storage accessing and control

Specific memory composition

C711S161000, C711S162000, C711S206000, C711S207000

Reexamination Certificate

active

06898669

ABSTRACT:
At the start of a backup operation, the controller of a disk array apparatus makes a copy of an address translation table and searches for a valid logical address based on the copy. From the disk array, the controller reads a physical stripe including a data block of a physical address corresponding to the valid logical address searched for. The controller writes a data block corresponding to a valid logical address included in the read physical stripe in a mass storage device.

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U.S. Appl. No. 10/231,247, filed Aug. 30, 2002, to Tomita.

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