On Thu, 2006-05-11 at 13:22 -0600, Andrew McNabb wrote:
> RAID 5 makes it so that a single disk can die without having to restore
> from backups.  However, it's always possible that two will die at about
> the same time.  This is especially true if your disks are from the same
> lot, or if it takes several weeks to replace a disk.

Or if the disks are in the same computer and you get a power spike. I
just want to emphasize how common it actually is to lose 2 disks at the
same time. Not every day, certainly, but it's happened to me personally
twice in the last two years. In that same period of time I've RMAd
probably 10 other drives for single failures.

Backups, backups, backups!

Corey

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