Invention Grant
- Patent Title: Storage system executing parallel correction write
- Patent Title (中): 存储系统执行并行校正写入
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Application No.: US11581337Application Date: 2006-10-17
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Publication No.: US07975168B2Publication Date: 2011-07-05
- Inventor: Seiki Morita , Yuko Matsui
- Applicant: Seiki Morita , Yuko Matsui
- Applicant Address: JP Tokyo
- Assignee: Hitachi, Ltd.
- Current Assignee: Hitachi, Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Hitachi America, Ltd.
- Priority: JP2006-223521 20060818
- Main IPC: G06F11/00
- IPC: G06F11/00
Abstract:
If a failure occurs in any of a plurality of data disks, and if a controller receives a read request from a host computer for the RAID group including the failed data disk, the controller performs data recovery using data stored in the other data disks in the RAID group, and transmits the recovered data to the host computer and also writes the recovered data to a spare disk.
Public/Granted literature
- US20080126844A1 Storage system Public/Granted day:2008-05-29
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