System and method for resuming backup of a volume after a...

Details System and method for resuming backup of a volume after a... System and method for resuming backup of a volume after a...

2008-06-30

2011-12-20

Lane, John (Department: 2185)

Electrical computers and digital processing systems: memory

Storage accessing and control

Control technique

C711S114000, C707S640000, C707S641000, C707S649000

Reexamination Certificate

active

08082408

ABSTRACT:
A first snapshot of a volume is created at a first point in time. A first backup operation to backup the volume to a first backup image using the first snapshot is initiated. The first backup operation terminates before completion, e.g., due to a failure. A second snapshot of the volume representing the state of the volume at a second point in time is then created. The second snapshot is used by a second backup operation to resume backing up the volume to a second backup image. The first backup image is then merged with the second backup image.

REFERENCES:
patent: 7254682 (2007-08-01), Arbon
patent: 7617414 (2009-11-01), Becker
patent: 7620785 (2009-11-01), Coulter
patent: 7672979 (2010-03-01), Appellof et al.
patent: 7694088 (2010-04-01), Bromley

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