发明名称 |
Storage system with improved multiple copy targeting |
摘要 |
A storage control apparatus in cooperation with a plurality of controlled storage apparatus arranged in a cascade of point-in-time copy relationship. The apparatus includes: a rate control component operable to set a desired rate for cleaning a first target one of the plurality of controlled storage apparatus; a comparator component in communication with the rate control component to identify discrepant bits associated with first and second targets; and a copy initiator, responsive to the comparator component to initiate a copy operation responsive to the identified discrepant bits. |
申请公布号 |
US8655852(B2) |
申请公布日期 |
2014.02.18 |
申请号 |
US201213459406 |
申请日期 |
2012.04.30 |
申请人 |
AGOMBAR JOHN P.;BEEKEN CHRISTOPHER B. E.;FUENTE CARLOS F.;SCALES WILLIAM J.;INTERNATIONAL BUSINESS MACHINES CORPORATION |
发明人 |
AGOMBAR JOHN P.;BEEKEN CHRISTOPHER B. E.;FUENTE CARLOS F.;SCALES WILLIAM J. |
分类号 |
G06F17/30 |
主分类号 |
G06F17/30 |
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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