发明授权
- 专利标题： Computer system for recovering data based on priority of the data
- 专利标题（中）： 基于数据优先级恢复数据的计算机系统
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申请号： US10820858申请日： 2004-04-09
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公开(公告)号： US07266718B2公开(公告)日： 2007-09-04
- 发明人: Hideomi Idei , Norifumi Nishikawa , Kazuhiko Mogi
- 申请人： Hideomi Idei , Norifumi Nishikawa , Kazuhiko Mogi
- 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
- 代理机构： Mattingly, Stanger, Malur & Brundidge, P.C.
- 优先权： JP2004-047176 20040224
- 主分类号： G06F11/00
- IPC分类号： G06F11/00
摘要：
In the present invention, there is provided means which sets priorities of DB data for each management unit, means which copies data from a primary site to a secondary site in an order of the data priorities, and means which, when a disaster has occurred in the primary site and recovery of a DB is performed in the secondary site, performs recovery of data in the order of the data priorities to sequentially bring the data to a usable state.
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