发明名称 |
Storage subsystem, storage system, and method of controlling power supply to the storage subsystem |
摘要 |
Provided is storage subsystem including: a storage unit containing multiple disk groups; and a control device for controlling the storage unit. The storage unit includes at least one redundant disk group composed of at least a first disk group and a second disk group for redundancy. The control device is configured to: put the first disk group into a power-on state; put the second disk group into a power-off state; read/write data stored in the first disk group; turns on power of the second disk group at a predetermined timing; write, in the second disk group, data that has been written in the first disk group while the second disk group has been in the power-off state; and put one of the first and second disk group into the power-on state and the other one of the first and second disk group into the power-off state after the writing. |
申请公布号 |
US8171214(B2) |
申请公布日期 |
2012.05.01 |
申请号 |
US20070855276 |
申请日期 |
2007.09.14 |
申请人 |
FUJIMOTO KAZUHISA;HITACHI, LTD. |
发明人 |
FUJIMOTO KAZUHISA |
分类号 |
G06F12/00 |
主分类号 |
G06F12/00 |
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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