发明授权
US07992035B2 Disk selection method, raid control device, raid system, and its disk device
有权
磁盘选择方式，RAID控制装置，RAID系统及其磁盘设备
- 专利标题： Disk selection method, raid control device, raid system, and its disk device
- 专利标题（中）： 磁盘选择方式，RAID控制装置，RAID系统及其磁盘设备
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申请号： US11828643申请日： 2007-07-26
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公开(公告)号： US07992035B2公开(公告)日： 2011-08-02
- 发明人: Hidejiro Daikokuya , Mikio Ito , Kazuhiko Ikeuchi
- 申请人： Hidejiro Daikokuya , Mikio Ito , Kazuhiko Ikeuchi
- 申请人地址： JP Kawasaki
- 专利权人： Fujitsu Limited
- 当前专利权人： Fujitsu Limited
- 当前专利权人地址： JP Kawasaki
- 代理机构： Fujitsu Patent Center
- 主分类号： G06F11/00
- IPC分类号： G06F11/00
摘要：
A response of a disk device during rebuild can be sped up. A disk array control device determines whether or not there is a normal read request during rebuild. If there is a read request during rebuild, data is read by sequentially switching a plurality of disk devices in a certain block size unit lower than a block size in which each disk device reads data during normal read.
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