Array of disk drives with redundant channels

Details Array of disk drives with redundant channels Array of disk drives with redundant channels

1992-12-17

1996-08-06

Chan, Eddie P.

Boots, shoes, and leggings

39518204, 364DIG1, 3642481, 3642665, 3642687, G06F 1120, G06F 1316, G06F 306

Patent

active

055443397

ABSTRACT:
An array of disk drives stores information which is accessed through multiple channels by a host computer. Different channels are coupled to different sequences of disk drives. Different disk drives can be accessed simultaneously through different channels, enabling high data transfer rates. The same disk drive can be accessed through two different channels, enabling access even if one off the channels is busy or malfunctioning. According to one aspect of the invention the channels are divided into at least two mutually exclusive sets of channels, each set providing access to all the disk drives.

REFERENCES:
patent: 5041971 (1991-08-01), Carvey et al.
patent: 5093910 (1992-03-01), Tulpule et al.
patent: 5148432 (1992-09-01), Gordon et al.
patent: 5237658 (1993-08-01), Walker et al.
patent: 5388243 (1995-02-01), Glider et al.
patent: 5412661 (1995-05-01), Hao et al.
Schulze, Katz & Patterson "How Reliable is a Raid" 1989 IEEE pp. 118-121 1989.
Oyama, Ogawa & Sugiyama "F6490 Magnetic Disk Sybsystem: DIA" Feb., 1991 pp. 291-295 Fujitsu Scientific & Tech. Journal.

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