Friday, April 22, 2011

Windows Server 2008 VSS Space Usage

Quick note about Volume Shadow Copy (VSS).   VSS can be configured to use Space Limits or it can be configured to use all allocated space (No Limits).

When configured to use limits, VSS will purge old Snapshots when the limit is met.  No Limit configuration will start to purge the oldest Snapshots once physical allocated space has been used.  I chose to use the No limits option to maximize our Snapshot retention period.

Check Space used by VSS:
Vssadmin list ShadowCopyStorage

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