2. Pick a configuration: A little switch on the back of the module "sets" the RAID configuration to either level 0 or level 1. By default, the module comes from the factory preset to RAID 1 mode.

If one drive fails though, all data becomes inaccessible. This level is commonly referred to as striping. RAID 1 - This method uses two drives. One drive is the active drive and the other drive is ...