Method for partial data reallocation in a storage system

Details Method for partial data reallocation in a storage system Method for partial data reallocation in a storage system

2006-04-18

2006-04-18

Padmanabhan, Mano (Department: 2189)

Electrical computers and digital processing systems: memory

Storage accessing and control

Specific memory composition

C711S006000, C711S165000

Reexamination Certificate

active

07032070

ABSTRACT:
A method of reallocating data among physical disks corresponding to a logical disk is provided. A logical disk is partitioned into a plurality of groups, each group comprising at least one segment on at least one of a first plurality of physical disks corresponding to the logical disk. One group of the plurality of groups is partitioned into a plurality of sub-groups, and, for each sub-group of the plurality of sub-groups but one, the sub-group is copied to at least one segment on at least one of a second plurality of physical disks corresponding to the logical disk.

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