发明申请
US20110173404A1 USING THE CHANGE-RECORDING FEATURE FOR POINT-IN-TIME-COPY TECHNOLOGY TO PERFORM MORE EFFECTIVE BACKUPS
有权
使用更改记录功能进行点对点复制技术,以执行更有效的备份
- 专利标题: USING THE CHANGE-RECORDING FEATURE FOR POINT-IN-TIME-COPY TECHNOLOGY TO PERFORM MORE EFFECTIVE BACKUPS
- 专利标题(中): 使用更改记录功能进行点对点复制技术,以执行更有效的备份
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申请号: US12684937申请日: 2010-01-09
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公开(公告)号: US20110173404A1公开(公告)日: 2011-07-14
- 发明人: Justin P. Eastman , Jeffrey R. Suarez , Henry V. Valenzuela , Andrew N. Wilt
- 申请人: Justin P. Eastman , Jeffrey R. Suarez , Henry V. Valenzuela , Andrew N. Wilt
- 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 ; G06F12/00
摘要:
A method for using a change-recording feature to perform more effective backups includes generating an initial point-in-time copy of source data residing in a storage device. The method may then perform an initial backup of the initial point-in-time copy. As changes are made to the source data, the method may record changes made to the source data after the initial point-in-time copy is generated. These changes may be stored as incremental change data. At some point, the initial point-in-time copy may be updated using the incremental change data. In order to perform an incremental backup of the updated point-in-time copy, the method may query the incremental change data to determine which changes were used to update the point-in-time copy. The method may then perform an incremental backup of the updated point-in-time copy by backing up the changes designated in the incremental change data.
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