发明申请
- 专利标题： COMPUTER SYSTEM AND CONTROL METHOD OF THE SAME
- 专利标题（中）： 计算机系统及其控制方法
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申请号： US12989294申请日： 2010-04-30
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公开(公告)号： US20110271073A1公开(公告)日： 2011-11-03
- 发明人: Hirokazu Ikeda , Nobuhiro Maki
- 申请人： Hirokazu Ikeda , Nobuhiro Maki
- 申请人地址： JP Tokyo
- 专利权人： HITACHI, LTD.
- 当前专利权人： HITACHI, LTD.
- 当前专利权人地址： JP Tokyo
- 国际申请： PCT/JP2010/003102 WO 20100430
- 主分类号： G06F12/02
- IPC分类号： G06F12/02
摘要：
Summary ProblemTo recover data of a virtual volume to which an external volume was assigned even if an unusual status occurs in the first storage apparatus.SolutionThe controller of the storage apparatus, to the respective pages of the pool corresponding to the virtual volumes, assigns the internal pool volumes configured of storage devices of the storage apparatus or the external pool volumes configured of storage devices of the storage apparatus, and the management server stores the configuration information indicating the correspondence relationship between the external pool volumes assigned to the respective pages of the pool and the virtual volumes, in the case of a total functional shutdown of the storage apparatus, creates a virtual volume and a pool in the storage apparatus, associates the virtual volume with the external pool volume in accordance with the stored configuration information, provides the virtual volume to the host computer and instructs path switching.
公开/授权文献
- US08578121B2 Computer system and control method of the same 公开/授权日：2013-11-05
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