Method and system for continuous data protection

Details Method and system for continuous data protection Method and system for continuous data protection

2011-01-11

2011-01-11

Breene, John E (Department: 2162)

Data processing: database and file management or data structures

File or database maintenance

Synchronization

C707S690000

Reexamination Certificate

active

07870094

ABSTRACT:
In operation of continuous data protection, a continuous data protection method enables the user to easily select a copy data storage volume and an update request storage volume. A storage management server calculates selection conditions of candidates for a copy data storage volume and an update request storage volume based on a continuous data protection period to continuously protect a protection target volume and a disk capacity and an update access characteristic of the protection target volume to thereby select, according to the selection conditions, the candidates for the copy data and update request storage volumes. At occurrence of abnormality in data of the protection target volume, the continuous data protection system can restore data to a particular position (point of time) within the continuous data protection period.

REFERENCES:
patent: 6473775 (2002-10-01), Kusters et al.
patent: 7111136 (2006-09-01), Yamagami
patent: 7162601 (2007-01-01), Yamagami
patent: 2003/0079019 (2003-04-01), Lolayekar et al.
patent: 2005/0108565 (2005-05-01), Blea et al.
patent: 2006/0095696 (2006-05-01), Amano et al.

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