Storage control device and storage control method

Details Storage control device and storage control method Storage control device and storage control method

2006-02-06

2008-10-21

Thai, Tuan V. (Department: 2186)

Electrical computers and digital processing systems: memory

Storage accessing and control

Control technique

C711S100000, C711S154000, C711S161000

Reexamination Certificate

active

07441091

ABSTRACT:
Provided is a storage control system enabling the prompt execution of data backup from a primary storage to a backup device, and capable of backing up data of the primary storage in the backup device without having to use a backup server. This storage control system has a host system; a storage device having a data volume storing data to be exchanged with the host system, a replication volume of the data volume, and a difference data volume configured independently from the data volume and which stores difference data in relation to the data volume; and a backup device having a backup volume storing backup data of the replication volume and the difference data volume; wherein the host system has a backup control module for recognizing the difference data volume of the storage device apart from the data volume, and backing up the difference data volume in the backup volume.

REFERENCES:
patent: 7302498 (2007-11-01), Tanaka
patent: 2004/0267829 (2004-12-01), Hirakawa et al.
patent: 2005/0027749 (2005-02-01), Ohno et al.
patent: 2005-018506 (2003-06-01), None
patent: 2005-050143 (2003-07-01), None

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