Invention Grant
US07991952B2 Method of extension of storage capacity and storage system using the method
有权
使用该方法扩展存储容量和存储系统的方法
- Patent Title: Method of extension of storage capacity and storage system using the method
- Patent Title (中): 使用该方法扩展存储容量和存储系统的方法
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Application No.: US12149582Application Date: 2008-05-05
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Publication No.: US07991952B2Publication Date: 2011-08-02
- Inventor: Kenta Shiga , Akira Nishimoto
- Applicant: Kenta Shiga , Akira Nishimoto
- Applicant Address: JP Tokyo
- Assignee: Hitachi, Ltd.
- Current Assignee: Hitachi, Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Volpe and Koenig, P.C.
- Priority: JP2008-073605 20080321
- Main IPC: G06F12/06
- IPC: G06F12/06
Abstract:
Provided are a storage system and a method of controlling a storage system in which respective real storage areas of a plurality of disk drives contained in the storage system contain management units, and a control device of the storage system assigns a real storage area of a plurality of first disk drives to the virtual storage area, distributedly stores the data in the plurality of management units of the assigned real storage area, distributedly stores, upon receiving a request for adding a second disk drive, the data stored in the plurality of management units of the plurality of first disk drives in the plurality of management units of the plurality of first disk drives and the second disk drive, and assigns the real storage area of the plurality of first disk drives and the second disk drive to an unused virtual storage area.
Public/Granted literature
- US20090240882A1 Method of extension of storage capacity and storage system using the method Public/Granted day:2009-09-24
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