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Deleting a Snapshot
Deleting a snapshot releases the resources occupied by the snapshot.
Prerequisites
- At least one application-based snapshot has been created in the system.
- Running Status of each LUN's snapshot included in the application-based snapshot is Unactivated.
- The LUN snapshots have not been mapped.
Precautions
When a snapshot LUN serves as the source LUN of a LUN copy, the snapshot cannot be deleted.
Procedure
- Log in to DeviceManager.
- Choose
Data Protection >
Snapshot > LUN Group/Application.
- From the drop-down list in the upper area of the function pane, select an application type.
- In the upper area of the function pane, select the snapshot you want to delete and click Delete on the menu bar.
The security alert dialog box is displayed.
- Confirm the deletion of the snapshot.
- Confirm the information in the dialog box, select I have read the previous information and understood consequences of the operation, and click OK.
The Execution Result dialog box is displayed, indicating that the operation succeeded.
- Click Close.
- Confirm the information in the dialog box, select I have read the previous information and understood consequences of the operation, and click OK.
Data Protection > 
Snapshot > LUN Group/Application.