Disk array controller capable of preventing data distortion caus

Details Disk array controller capable of preventing data distortion caus Disk array controller capable of preventing data distortion caus

1995-05-16

1997-09-02

Nguyen, Hoa T.

Boots, shoes, and leggings

3951851, 3642384, G06F 1100, G06F 1130

Patent

active

056640960

ABSTRACT:
A disk array controller is connected to both a host computer and a plurality of disk drives operating in parallel. The disk array controller is responsive to an output request from the host computer for dividing data supplied from the host computer and parallel writing the divided data in the plurality of disk drives. In response to an input request from the host computer, the disk array controller combines data parallelly read from the disk drives into a set of data. Responsive to the output request, a processor stores in a non-volatile memory a write status of each block within a data write area for each disk drive to which data is to be written. The write status includes a first status representing a write completed status of each disk drive, a second status representing a writing status of each disk drive, and a third status representing a no write indication status of each disk drive.

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