Western Digital WD Sentinel DS6100 Administrator and Maintenance Guide - Manual (Page 68)

USING THE WD SENTINEL SERVER’S FEATURES
62 WD SENTINEL DS5100/DS6100
ADMINISTRATOR AND MAINTENANCE GUIDE
4. Select Back up all of my files and folders (Recommended).
5. Review the backup information to ensure that it is correct, then click Save changes.
The selected computer is now setup for automatic backup.
6. Click Close.