Western Digital WD Sentinel DS6100 Administrator and Maintenance Guide - Manual (Page 105)

APPENDIX
99 WD SENTINEL DS5100/DS6100
ADMINISTRATOR AND MAINTENANCE GUIDE
2. Hover over the Operation tab and select Delete from the menu.
3. Read the Warning, then click OK.
4. Read the message, then click OK. Your virtual drive(s) are deleted.
5. Read the message concerning partition information, then click OK. Your virtual drive(s)
are deleted.