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The Agent and VSS

Open files can cause significant problems when backing up data. Arcserve Backup provides two solutions for dealing with open files:

VSS works with Arcserve Backup and VSS-aware applications and services to create shadow copies of the volumes on your computer. A shadow copy is a frozen view (a snapshot) of a volume's file system; it resides on a volume separate from the one that was copied. The shadow copy serves as the source for the backup after it is created.

The following sections describe when it is most appropriate to use each solution.