CMMNW5083E Storage pool
VALUE_0
is referenced by the active policy or is not empty.
Explanation
You cannot delete this storage pool because it contains volumes.
Action
Perform the following actions to remove this storage pool:
Make sure that the storage pool does not contain volumes by
removing all volumes from the storage pool.
After ensuring that the storage pool is not referenced
by the active policy and does not contain any volumes,
attempt to delete the storage pool again.