Title:
ディスクアレイ装置及び領域割当て方法
Document Type and Number:
Japanese Patent JP5344258
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To suggest a disk array device allowing improvement of reliability.SOLUTION: The disk array device comprises a plurality of data storing physical disk devices which are redundantly configured in RAID, a plurality of hot spare physical disk devices which comprise a virtual spare pool including a plurality of pool regions redundantly configured in RAID 5 or RAID 6, and a control part which determines whether or not a fault occurs in a data storing physical disk device, and allocates a pool region corresponding to a capacity of the data storing physical disk device in which the fault occurs, as a hot spare disk for the data storing physical disk device in which the fault occurs, from the virtual spare pool, if the fault occurs in the data storing physical disk device.
Inventors:
Hiroshi Inamori
Application Number:
JP2010259277A
Publication Date:
November 20, 2013
Filing Date:
November 19, 2010
Export Citation:
Assignee:
NEC
International Classes:
G06F3/06; G06F12/00
Domestic Patent References:
| JP2010152688A | ||||
| JP200787039A | ||||
| JP2002140169A |
Attorney, Agent or Firm:
Yoshiyuki Inaba
Toshifumi Onuki
Akihiko Eguchi
Kazuhiko Naito
Tetsuo Tsuchiya
Toshifumi Onuki
Akihiko Eguchi
Kazuhiko Naito
Tetsuo Tsuchiya