Method and apparatus to mirror data at two separate sites...

Details Method and apparatus to mirror data at two separate sites... Method and apparatus to mirror data at two separate sites...

2008-01-29

2008-01-29

Sough, Hyung (Department: 2188)

Electrical computers and digital processing systems: memory

Storage accessing and control

Control technique

C709S226000, C707S793000

Reexamination Certificate

active

07325109

ABSTRACT:
In one embodiment, the present invention provides a method for mirroring data representing a file system. The data is stored on a primary storage server and is mirrored on a secondary storage server. In the method the file system is mirrored without comparing blocks used to that represent the file system at the primary storage server, and the secondary storage server.

REFERENCES:
patent: 6636879 (2003-10-01), Doucette et al.
patent: 6691245 (2004-02-01), DeKoning
patent: 6745303 (2004-06-01), Watanabe
patent: 2002/0194529 (2002-12-01), Doucette et al.
patent: 2003/0014523 (2003-01-01), Teloh et al.
patent: 2003/0084242 (2003-05-01), Strange et al.
patent: 2004/0153736 (2004-08-01), Viswanathan et al.
patent: 2005/0010592 (2005-01-01), Guthrie

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