[Gllug] RAID 1+0 vs 0+1

Andy Smith andy at lug.org.uk
Thu Mar 9 20:12:25 UTC 2006


On Thu, Mar 09, 2006 at 08:09:10PM +0000, Rich Walker wrote:
> Andy Smith <andy at lug.org.uk> writes:
> 
> >
> > In terms of resilience there is no difference.  You can stand to
> > lose up to 3 disks in either setup.  If you have a mirror of two
> 
> Except there are more failure patterns that break completely a 0+1 than
> a 1+0.

Hmm, yes, right you are.  Never bothered to calculate it as 0+1
always seemed like a bad idea for the other reasons mentioned.

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