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I tried RAID before, because the idea that two hard disks mirror to each other, and thus prevent data loss in the event of bad sectors is appealing. But I discovered that once a hard disk went off, another would also go off, rendering the RAID useless.
How useful RAID is, in preventing data loss?
2...and of course, you can have another drive fail right after the first one (or, during the rebuild). I had a RAID 5 array of 4 drives lose a second drive while we were swapping in the replacement for the first failed drive. – Brian Knoblauch – 2009-09-24T11:25:36.650