Disk array with original data stored in one disk drive and duple

Details Disk array with original data stored in one disk drive and duple Disk array with original data stored in one disk drive and duple

1993-09-08

1997-06-03

Robertson, David L.

G06F 1100

Patent

active

056363567

ABSTRACT:
A drive unit connected to a disk control unit of a disk array has a logical group formed of a plurality of drives. In the logical group, both original data and duplexed data of the original data are stored. The original data and the duplexed data thereof are stored in different drives. When a plurality of data stored in one drive are to be read, the original data or the duplexed data thereof are read in parallel from the different drives.

REFERENCES:
patent: 5313585 (1994-05-01), Jeffries et al.
patent: 5341381 (1994-08-01), Fuller
patent: 5375128 (1994-12-01), Menon et al.
patent: 5408644 (1995-04-01), Schneider et al.
Merchant et al., "Design and Modeling of Clustered RAID," Jul. 1992, pp. 140-149.
"A Case for Redundant Arrays of Inexpensive Disks (RAID)", D. Patternson et al, ACM SIGMOD Conference, Jun. 1988, pp. 109-116.

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