Pick the wrong RAID level, and you might end up losing all your data ...
I've seen questions threads hinting at this question, but never seen it answered: If a drive fails in a mirrored RAID setup, can you simply disable/bypass the RAID setup and boot with the remaining ...
Mods- I wasn't positive which forum this goes in (I haven't followed RAID talk much, and thought this might have as much to do with mobo/bios info as with drives), and thought this might be more ...