发明申请
- 专利标题: STORAGE SYSTEM
- 专利标题(中): 存储系统
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申请号: US12026858申请日: 2008-02-06
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公开(公告)号: US20090106585A1公开(公告)日: 2009-04-23
- 发明人: Manabu Kitamura , Junji Ogawa , Shunji Kawamura , Takao Sato , Naoto Matsunami , Shintaro Ito , Tomohiro Yoshihara , Takuji Ogawa
- 申请人: Manabu Kitamura , Junji Ogawa , Shunji Kawamura , Takao Sato , Naoto Matsunami , Shintaro Ito , Tomohiro Yoshihara , Takuji Ogawa
- 优先权: JP2007-270902 20071018
- 主分类号: G06F11/00
- IPC分类号: G06F11/00
摘要:
One code (a compressed redundant code) is created based on a plurality of first redundant codes, each created on the basis of a plurality of data units, and this compressed redundant code is written to a nonvolatile storage area. This compressed redundant code is used to restore either a data element constituting a multiple-failure data, or a first redundant code corresponding to the multiple-failure data, which is stored in an unreadable sub-storage area of a partially failed storage device, and to restore the data element constituting the multiple-failure data which is stored in a sub-storage area of a completely failed storage device, based on the restored either data element or first redundant code, and either another data element constituting the multiple-failure data or the first redundant code corresponding to the multiple-failure data.
公开/授权文献
- US08037245B2 Storage system 公开/授权日:2011-10-11
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