Title:
ディスクアレイ装置およびその制御方法
Document Type and Number:
Japanese Patent JP4547170
Kind Code:
B2
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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Inventors:
Takeki Okamoto
Fukuoka Mikio
Fukuoka Mikio
Application Number:
JP2004063313A
Publication Date:
September 22, 2010
Filing Date:
March 08, 2004
Export Citation:
Assignee:
株式会社日立製作所
International Classes:
G06F3/06; G06F12/08; G06F12/14; G11B20/10; G11B20/18
Domestic Patent References:
| JP10275060A | ||||
| JP2003141824A | ||||
| JP2003202962A | ||||
| JP56311A | ||||
| JP2002229867A | ||||
| JP2002229923A |
Attorney, Agent or Firm:
Yamato Tsutsui