Re: Mirrored Raid 5


Subject: Re: Mirrored Raid 5
From: Anthony Valentine (amv@akvalentine.com)
Date: Tue Nov 04 2003 - 15:43:47 AKST


Unless you lose 2 disks at the same time, or lose the second before the
hot spare finishes it's rebuild.

> If all you want is the ability to survive two drive failures, then I would
> think an even better route would be to just do a single raid5 array on 11
> of the 12 disks, and designate the 12th as a hot spare. That way when the
> first drive failure hits, the system would automatically rebuild the array
> using the hot spare; then when the second drive failure hits you'd just be
> operating in degraded mode.
>
> Mike

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This archive was generated by hypermail 2a23 : Tue Nov 04 2003 - 15:46:12 AKST