Invention Grant
US08131958B2 Storage system, storage device, and data updating method using a journal volume
有权
存储系统,存储设备和使用日志卷的数据更新方法
- Patent Title: Storage system, storage device, and data updating method using a journal volume
- Patent Title (中): 存储系统,存储设备和使用日志卷的数据更新方法
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Application No.: US12010981Application Date: 2008-01-31
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Publication No.: US08131958B2Publication Date: 2012-03-06
- Inventor: Toshihiko Shinozaki
- Applicant: Toshihiko Shinozaki
- Applicant Address: JP Tokyo
- Assignee: Hitachi, Ltd.
- Current Assignee: Hitachi, Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Volpe and Koenig, P.C.
- Priority: JP2007-299478 20071119
- Main IPC: G06F12/00
- IPC: G06F12/00 ; G06F13/00 ; G06F13/28

Abstract:
A storage device including a data volume for storing data sent from a host computer and a journal volume to which update data in the data volume is written in a chronologically identifiable manner, comprises an update unit updating update data from a data restoration unnecessary period, from among the data restoration necessary period and the data restoration unnecessary period that set from an external device, in the journal volume.
Public/Granted literature
- US20090132615A1 Storage system, storage device and data updating method Public/Granted day:2009-05-21
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