On 12/21/05, Josh Trutwin <josh at trutwins.homeip.net> wrote: > > I guess it doesn't take the place of a good backup strategy, but as I > see it with a RAID-1 setup if one of the drives goes bad you should be > able to use the other drive while you replace the faulty one. I think > that's a bit of an oversimplification though. Keep in mind, those drives should also be connected to separate controllers because a controller can go bad and corrupt data. If you have only one controller all you've managed to do with RAID1 is corrupt 2 drives (arrays) at the same time. And you're correct backups are still needed for a variety of reasons.