发明授权
- 专利标题： System, method and computer program product for copying data
- 专利标题（中）： 用于复制数据的系统，方法和计算机程序产品
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申请号： US12163661申请日： 2008-06-27
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公开(公告)号： US08108635B2公开(公告)日： 2012-01-31
- 发明人: Akram Bitar , Shachar Fienblit
- 申请人： Akram Bitar , Shachar Fienblit
- 申请人地址： US NY Armonk
- 专利权人： International Business Machines Corporation
- 当前专利权人： International Business Machines Corporation
- 当前专利权人地址： US NY Armonk
- 代理机构： Zilka-Kotab, PC
- 主分类号： G06F12/16
- IPC分类号： G06F12/16
摘要：
A storage system and a method for copying data is provided. The method includes storing data at a first storage unit of a primary site, transferring the data from the first storage unit to a second storage unit of a remote site and updating shadow storage unit metadata to reflect the storing of the data at the first storage unit, and copying, in response to the updating of the shadow storage unit metadata, the data from an entity that differs from the shadow storage unit to a third storage unit.
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