4.0.0 HP Polyserve Matrix Server Administration Guide (T5392-96052, March 2010)

Destroy a filesystem
If necessary, you can remove a filesystem from the volume on which it is located.
Select the filesystem on the Management Console, right-click, and select Delete.
NOTE:
Any snapshots of the filesystem must be destroyed before the filesystem is destroyed.
HP PolyServe Matrix Server administration guide 133