Array disk system and control method thereof

Details Array disk system and control method thereof Array disk system and control method thereof

1991-11-18

1995-10-10

Baker, Stephen M.

Excavating

G06F 1110, G06F 1118

Patent

active

054577039

ABSTRACT:
An array disk system includes a plurality of disk drives having disk-like recording media each having a surface divided into a plurality of zones and the data capacity per track is varied in each zone. The plurality of disk drives are divided into a plurality of groups. Reading/writing heads of the disk drives are positioned to access tracks having different zones on the disks in each zone on the basis of a cylinder address designated by a host system. Data transferred from the host system is divided in accordance with a ratio of data capacities of the tracks to be accessed and is recorded in each of the disk drives simultaneously.

REFERENCES:
patent: 4432025 (1984-02-01), Grogan
patent: 4814903 (1989-03-01), Kulakowski et al.
patent: 4858034 (1989-08-01), Hassel et al.
patent: 4993030 (1991-02-01), Krakauer et al.
patent: 5111345 (1992-05-01), Muller

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