Storage system performing virtual volume backup and method...

Details Storage system performing virtual volume backup and method... Storage system performing virtual volume backup and method...

2011-08-30

2011-08-30

Tsai, Sheng-Jen (Department: 2186)

Electrical computers and digital processing systems: memory

Storage accessing and control

Control technique

C711S165000, C711SE12001

Reexamination Certificate

active

08010760

ABSTRACT:
The respective data fragments stored in each page assigned to the respective virtual areas of the virtual volume are copied to the logical volume, and information representing the respective copy source pages corresponding with information representing the respective virtual areas in the mapping information that indicates which storage area corresponds with which virtual area is updated to information representing the respective copy destination storage areas of the data fragments stored in the respective copy source pages and copies the updated mapping information to the logical volume which constitutes the data fragment copy destination.

REFERENCES:
patent: 6243824 (2001-06-01), Kakuta et al.
patent: 2006/0075200 (2006-04-01), Satoyama et al.
patent: 2006/0277386 (2006-12-01), Eguchi et al.
patent: 2007/0079099 (2007-04-01), Eguchi et al.
patent: 2007/0174673 (2007-07-01), Kawaguchi et al.
patent: 2008/0162839 (2008-07-01), Nakamichi et al.
patent: 1645960 (2006-04-01), None
patent: 2006-338341 (2006-12-01), None
patent: 2007-102455 (2007-04-01), None
patent: 2005017737 (2005-02-01), None

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