发明名称 |
Virtual storage system and method for allocating storage areas and releasing storage areas from allocation based on certain commands |
摘要 |
The storage system includes a plurality of storage devices and a controller that manages a virtual volume including a plurality of virtual storage areas, and manages a storage pool including a plurality of storage areas prepared on the storage devices in order to allocate a storage area in the storage pool to the virtual volume in response to receiving a write command to the virtual volume for writing data corresponding to the write command. In response to receiving a specific write command to write a specific data to a first virtual storage area to which a first storage area is allocated, the controller releases the first storage area from the first virtual storage area.
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申请公布号 |
US8131956(B2) |
申请公布日期 |
2012.03.06 |
申请号 |
US201113016056 |
申请日期 |
2011.01.28 |
申请人 |
YAMAGAMI KENJI;HITACHI, LTD. |
发明人 |
YAMAGAMI KENJI |
分类号 |
G06F12/16;G06F13/10;G06F3/06;G06F12/00;G06F12/08 |
主分类号 |
G06F12/16 |
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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