发明名称 |
PREDICTIVE POINT-IN-TIME COPY FOR STORAGE SYSTEMS |
摘要 |
Method and system are provided for predictive point-in-time copy for storage systems. The method may include: recording a frequency of writes to an area of a storage volume; and prioritising areas for having point-in-time copies carried out based on the write frequency to an area, wherein areas in the storage volume having a high write frequency are prioritised before areas with a lower write frequency. An area may be of a coarser granularity than a region tracked for the point-in-time copy. The method may include: recording the frequency of writes to an area in a given period; and prioritising areas by their frequency of writes in the given period immediately prior to the point-in-time copy. |
申请公布号 |
US2015309745(A1) |
申请公布日期 |
2015.10.29 |
申请号 |
US201314650855 |
申请日期 |
2013.06.13 |
申请人 |
INTERNATIONAL BUSINESS MACHINES CORPORATION |
发明人 |
Wilkinson John P. |
分类号 |
G06F3/06 |
主分类号 |
G06F3/06 |
代理机构 |
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代理人 |
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主权项 |
1. A method for predictive point-in-time copy for storage systems, comprising:
recording a frequency of writes to an area of a storage volume; and prioritising areas for having point-in-time copies carried out based on the write frequency to an area, wherein areas in the storage volume having a high write frequency are prioritised before areas with a lower write frequency. |
地址 |
Armonk NY US |