发明申请
US20100174676A1 DETERMINING MODIFIED DATA IN CACHE FOR USE DURING A RECOVERY OPERATION
审中-公开
确定在恢复操作期间使用的缓存中的修改数据
- 专利标题： DETERMINING MODIFIED DATA IN CACHE FOR USE DURING A RECOVERY OPERATION
- 专利标题（中）： 确定在恢复操作期间使用的缓存中的修改数据
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申请号： US12349460申请日： 2009-01-06
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公开(公告)号： US20100174676A1公开(公告)日： 2010-07-08
- 发明人: Kevin John Ash , John Charles Elliott , Carl Evan Jones , Brian Anthony Rinaldi
- 申请人： Kevin John Ash , John Charles Elliott , Carl Evan Jones , Brian Anthony Rinaldi
- 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
- 主分类号： G06F12/16
- IPC分类号： G06F12/16 ; G06F17/30
摘要：
Provided are a method, system, and article of manufacture for determining modified data in cache for use during a recovery operation. An event is detected during which processing of writes to a storage device is suspended. A cache including modified data not destaged to the storage device is scanned to determine the data units having modified data in response to detecting the event. The data units having the modified data is indicated in a backup storage. The indication of the data units having the modified data in the backup storage is used during a recovery operation.
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