Methods and apparatus for backing up and restoring data...

Details Methods and apparatus for backing up and restoring data... Methods and apparatus for backing up and restoring data...

2005-03-08

2005-03-08

Sparks, Donald (Department: 2187)

Electrical computers and digital processing systems: memory

Storage accessing and control

Control technique

C711S161000, C707S793000, C707S793000, C707S793000, C714S002000, C714S006130, C714S015000

Reexamination Certificate

active

06865655

ABSTRACT:
Mechanisms and techniques operate in a computerized device to perform backup and restore operations on data portions such that if a backup server already has a copy of the content of a data portion, no client computer systems need to transfer a copy of the data portion to the backup server, even if the data portion in those clients has a different name, location, or other attributes. A backup client produces an identification of a data portion stored within a first computerized device to be backed up. The backup client conveys, to a backup server, the identification of the data portion stored within the computerized device and receives, over the communications interface, a transfer indication from the backup server. The backup client determines if the transfer indication indicates that the backup server already contains a copy of the data portion identified by the identification, and if not, the backup client transfers a copy of the data portion from the local storage device to the backup server over the communications interface.

REFERENCES:
patent: 5559991 (1996-09-01), Kanfi
patent: 5778395 (1998-07-01), Whiting et al.
patent: 6611923 (2003-08-01), Mutalik et al.
patent: 6625625 (2003-09-01), Kihara et al.

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