Originally Posted by
pa_sjo
RAID is not a replacement for backup. RAID is a method of maintaining availability. If availability is not critical (eg, an evening restoring a system from a backup is acceptable), then the obvious choice if only two disks are available would be RAID 0 as for this particular application, disk I/O performance is key.
An evening of restoring is a bit annoying but it wouldnt really cause me too much concern considering the rare occasions it would need to be done.