HP LeftHand P4000 SAN Solutions - Manual (Page 197)

Figure 95 List of SmartClone volumes in cluster
2. Use Shift+Click to select the SmartClone volumes to delete.
3. Right-click, and select Delete Volumes.
A confirmation message opens.
4. When you are certain that you have stopped applications and logged off any iSCSI sessions,
check the box to confirm the deletion, and click Delete.
It may take a few minutes to delete the volumes and snapshots from the SAN.
Deleting SmartClone volumes 197