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Use Case CGA-0331: Taking a snapshot of a volume.

by Jim Parsons

Last Modified: $Date: 2006/03/06 21:48:04 $


Description: An admin wishes to make a snapshot backup of a volume at a precise point in time.

Goal Level: User Goal.

Actors: Administrator.

Trigger:

Basic Path:

  1. Create the snapshot volume.
    This step uses Use Case CGA-0320: Creating a Logical Volume.
  2. Mount the snapshot volume.
  3. Do the backup.
  4. Remove the snapshot

Success End Conditions: The snapshot backup of the volume is stored in another LV, ready for copy to tape, if desired.

Alternative Paths:

Exception Paths:

Failure End Conditions:

Preconditions: Enough space must exist in the snapshot volume to store the data from the volume being snapshotted.

Postconditions:

Sample Narrative:

Open Issues: