Changing the RAID mode involves two main steps, changing a physical setting and confirming the setting on the NAS administration page.
CAUTION: Changing the RAID mode destroys all data stored on the LaCie 2big. If you have saved data on the drives, back up data before following these steps.
1. Insert a small, flat-blade screwdriver into the groove on the rotary switch and turn the screwdriver to the left or right to select a different mode (Fig. 1).
To change the RAID mode: