Disk drive array with efficient background rebuilding

Details Disk drive array with efficient background rebuilding Disk drive array with efficient background rebuilding

1991-12-17

1994-05-17

Chun, Debra A.

Boots, shoes, and leggings

364DIG1, 364265, 3642665, 364268, 3642682, 3642685, G06F 1122

Patent

active

053136268

ABSTRACT:
A disk drive array with a controller which provides: dynamic remapping for grown defects in the disk drives, multi-thread request processing with a variable number of forkings, defect tracking with both logical and physical lists, guarded writes of less than a full stripe optimized by selectably using the redundancy to limit the number of sectors involved, association of multiple operations with a single disk request in order to facilitate error handling, use of an access hiatus as indication of further opportunity to rebuild data in background, and scatter/scatter (bidirectional scatter/gather) operations.

REFERENCES:
patent: 5083264 (1992-01-01), Platteter et al.
patent: 5101492 (1992-03-01), Schultz et al.
patent: 5208813 (1993-05-01), Stallmo
patent: 5233618 (1993-08-01), Glides et al.
patent: 5235601 (1993-08-01), Stallmo et al.

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