发明授权
US07574577B2 Storage system, storage extent release method and storage apparatus
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存储系统，存储范围释放方法和存储设备
- 专利标题： Storage system, storage extent release method and storage apparatus
- 专利标题（中）： 存储系统，存储范围释放方法和存储设备
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申请号： US11434992申请日： 2006-05-15
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公开(公告)号： US07574577B2公开(公告)日： 2009-08-11
- 发明人: Norio Shimozono , Kazuyoshi Serizawa , Yoshiaki Eguchi
- 申请人： Norio Shimozono , Kazuyoshi Serizawa , Yoshiaki Eguchi
- 申请人地址： JP Tokyo
- 专利权人： Hitachi, Ltd.
- 当前专利权人： Hitachi, Ltd.
- 当前专利权人地址： JP Tokyo
- 代理机构： Townsend and Townsend and Crew LLP
- 优先权： JP2006-081051 20060323
- 主分类号： G06F13/00
- IPC分类号： G06F13/00
摘要：
This storage system has an allocation unit for allocating a storage extent in prescribed units to the dynamic logical volume upon storing the data sent from the host computer in the dynamic logical volume; a management unit for managing the storage extent recognized as being currently used by the file system among the storage extents allocated to the dynamic logical volume by the allocation unit; and a release unit for releasing the storage extent that is not being managed by the management unit from the dynamic logical volume.
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