发明名称 |
STORAGE SYSTEM AND CONTROL METHOD |
摘要 |
<p>Provided are a storage system and its control method having superb functionality of being able to notify an administrator of the extent of impact of a pool fault in an easy and prompt manner. The foregoing storage system and its control method manage a storage area provided by a storage medium by dividing it into multiple pools, provide a virtual logical device to a host system, dynamically allocate a storage area to the logical device according to a data write request from the host system [for writing data] into the logical device, move data that was written into the logical device to another pool according to the access status from host system to such data, identify, when a fault occurs in any one of the pools, an extent of impact of the fault based on [the correspondence relationship] of the logical device and the pool, and notify the identified extent of impact of the fault to an administrator.</p> |
申请公布号 |
WO2011027388(A1) |
申请公布日期 |
2011.03.10 |
申请号 |
WO2009JP04315 |
申请日期 |
2009.09.02 |
申请人 |
HITACHI,LTD.;SHINOHARA, DAISUKE;SAKASHITA, YUKINORI |
发明人 |
SHINOHARA, DAISUKE;SAKASHITA, YUKINORI |
分类号 |
G06F11/07 |
主分类号 |
G06F11/07 |
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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