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Originally Posted by DS
Raid is a hardware term where you take two harddrives and make them read as one. So if you raid a 250GB with another 250GB it would read as one 500GB drive.
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Well, not in the case of mirroring. It reads as one 250gb HD, since the 2nd is a mirror.
As for the other raid, can you do it w/ 2? I've always seen it w/ 3. The main purporse isn't the increase of drive space, but a failsafe against a HD failure, it writes accross all 3 drives (much easier w/ a diagram) so if say one goes down, it can re-create the data from the info on the other two drives.