To delete a Volume Allow Deletes must be set to True for the repository the relevant Volume is residing in.
To enable this right-click on the Repository and select Properties or double click the repository.
Under the Options tab, set Allow Deletes to True and Save.
False when finished removing required volumes to stop accidental deletion of any other volumes.
Select a volume, or range of volumes (Shift + click or Ctrl + Click). Right-click highlighted volumes and select Delete.
A Delete Confirmation window will be displayed.
Select
Delete this Item to delete a volume or range of volumes one at a time.Delete all Items to delete all volumes.Cancel to cancel deletion of volumes.