Invention Grant
- Patent Title: Storage device and method of controlling storage device
- Patent Title (中): 储存装置及储存装置的控制方法
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Application No.: US13810351Application Date: 2012-12-05
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Publication No.: US09256372B2Publication Date: 2016-02-09
- Inventor: Noriaki Sato , Masayuki Kikuchi , Keisuke Matsumoto , Takashi Chikusa
- Applicant: HITACHI, LTD.
- Applicant Address: JP Tokyo
- Assignee: Hitachi, Ltd.
- Current Assignee: Hitachi, Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Volpe and Koenig, P.C.
- International Application: PCT/JP2012/007787 WO 20121205
- International Announcement: WO2014/087453 WO 20140612
- Main IPC: G06F12/00
- IPC: G06F12/00 ; G06F13/00 ; G06F13/28 ; G06F3/06
Abstract:
It is an object of the present invention to suppress inconsistency of mount information necessary for mounting a volume in a storage device having a primary volume and a secondary volume.The storage device according to the present invention creates a memory region storing the mount information necessary for mounting the secondary volume, saves a snapshot thereof, and presents a virtual volume which has been created by using the snapshot and the data in the secondary volume to an external device.
Public/Granted literature
- US20150309739A1 STORAGE DEVICE AND METHOD OF CONTROLLING STORAGE DEVICE Public/Granted day:2015-10-29
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