发明名称 |
SYSTEMS AND METHODS FOR DESTAGING STORAGE TRACKS FROM CACHE |
摘要 |
A system includes a cache and a processor coupled to the cache. The cache stores data in multiple storage tracks and each storage track includes an associated multi-bit counter. The processor is configured to perform the following method. One method includes writing data to the plurality of storage tracks and incrementing the multi-bit counter on each respective storage track a predetermined amount each time the processor writes to a respective storage track. The method further includes scan each of the storage tracks in each of multiple scan cycles, decrementing each multi-bit counter each scan cycle, and destaging each storage track including a zero count. |
申请公布号 |
US2012260044(A1) |
申请公布日期 |
2012.10.11 |
申请号 |
US201213493802 |
申请日期 |
2012.06.11 |
申请人 |
BEARDSLEY BRENT C.;BENHASE MICHAEL T.;GUPTA LOKESH M.;WILLIAMS SONNY E.;INTERNATIONAL BUSINESS MACHINES CORPORATION |
发明人 |
BEARDSLEY BRENT C.;BENHASE MICHAEL T.;GUPTA LOKESH M.;WILLIAMS SONNY E. |
分类号 |
G06F12/08 |
主分类号 |
G06F12/08 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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