Method and system for providing continuous and long-term...

Details Method and system for providing continuous and long-term... Method and system for providing continuous and long-term...

2006-10-31

2010-11-02

Shah, Sanjiv (Department: 2185)

Electrical computers and digital processing systems: memory

Storage accessing and control

Control technique

C711S161000, C714S005110, C714S006130

Reexamination Certificate

active

07827366

ABSTRACT:
A system, a method, and a computer program product for providing continuous data protection and long-term data protection of data in a storage system. A persistent point-in-time Image (PPI) image of the data is created and stored at a first storage. The data at the first storage is updated frequently to provide continuous data protection. A copy of the dataset is created and stored in a secondary storage. The copy of the dataset stored in a secondary storage is updated and backed up less frequently than the PPIs image of data stored at the first storage to ensure long-term data protection.

REFERENCES:
patent: 5819292 (1998-10-01), Hitz et al.
patent: 6799189 (2004-09-01), Huxoll
patent: 2003/0033320 (2003-02-01), Houldsworth
patent: 2003/0182325 (2003-09-01), Manley et al.
patent: 2003/0212865 (2003-11-01), Hicken et al.
patent: 2007/0028139 (2007-02-01), Wahl et al.

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