CMUS00027W The paths you are attempting to remove are used by existing Remote Mirror and Copy pairs.
All paths cannot be removed from target LSSs
VALUE_0
while pairs exist.
The Remote Mirror and Copy pairs must be removed before all paths can be removed.
Explanation
You must remove any Remote Mirror and Copy pairs that use the only remaining path
before you can remove the path.
Action
Remove any Remote Mirror and Copy pairs that use the paths, and then resubmit the task.