I started out with a diskless EX4 and added disks one-by-one (trying to simulate the general use case where people buy drives only when they want to expand capacity): With one disk, I could initialize a JBOD volume. After adding a second disk - I could change to RAID-1 without loss of existing data…

RAID Capacity Expansion

K_K_ December 14, 2013, 12:34pm 5

Thanks for your update.

Is RAID 5 the appropriate and optimal setup for a home environment with 4 2TB drives installed?