Disk array apparatus and control method for the same

Details Disk array apparatus and control method for the same Disk array apparatus and control method for the same

2006-07-04

2006-07-04

Vital, Pierre M. (Department: 2188)

Electrical computers and digital processing systems: memory

Storage accessing and control

Specific memory composition

C711S113000, C714S005110

Reexamination Certificate

active

07073025

ABSTRACT:
The present invention relates to provide a technology which can detect a disk drive with degradation in the performance even if the disk drive itself does not comprise a function to detect degradation in the performance and which can realize a disk array apparatus which meets a request of a customer by changing a detection level of the degradation in the performance. In the apparatus, a disk controller: generates logical storage areas used for writing or reading data and having redundancy to store data, using the storage areas in the plurality of disk drive; monitors the storing areas in which a request for writing/reading data into/from the plurality of disk drives forming the logical storage areas is stored; and specifies, among the plurality of disk drives forming the logical storage areas, a disk drive having a large number of repeated times and block the specified disk drive.

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patent: 6061761 (2000-05-01), Bachmat
patent: 6366981 (2002-04-01), Koike
patent: 6611896 (2003-08-01), Mason, Jr. et al.
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patent: 2001/0054133 (2001-12-01), Murotani et al.
patent: 2004/0250021 (2004-12-01), Honda et al.
patent: 2003-141824 (2003-05-01), None

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