On 13 May 2010, at 13:39, Martin McCormick wrote: > ... All that was needed was to tell > disk utility to "erase" the disks in the raid. Observation: you did not erase (or format) "the disks in the RAID" but you formatted the array. The array happens to be composed of those disks, but the operation was performed upon the single array, not upon the disks individually. I point this out not to belittle you, but because it may be helpful sometime for you to be "thinking in RAID". Stroller.