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  3. February 2010

Re: Is there a performance advantage of adding a second parity set?

On Mon, Feb 15, 2010 at 15:18, <rob@xxxxxxxxx> wrote:
We have a system with 17 drives. ÂWe are going to add six 70GB drives. ÂIf
I add them two at a time they will add them to the existing parity set. If
I add them all at once it will start a new parity set.

I'd suggest you add a second parity set - if you have a RAID5 set with
too many drives, you'll have a higher risk of a double-disk failure,
while the rebuild from the hotspare is in progress.


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