Re: RAID-10 with odd number of disks (was Re: Software RAID 0+1 with mdadm.)

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On Thu, Jan 27, 2005 at 05:27:00PM +0000, Andy Smith wrote:
> On Thu, Jan 27, 2005 at 12:16:31PM -0500, Guy wrote:
> > It rotates the pairs!
> > Assume 3 disks, A, B and C.
> > Each stripe would be on these disks:
> > A+B
> > C+A
> > B+C
> > A+B
> > C+A
> > B+C
> > ...
> 
> Hmm, difficult to visualise and comprehend if there are any
> differences as opposed to "normal" RAID-10.
> 
> Is this anything like how RAID-1E works on IBM ServeRAID?

This seems relevant:

http://www.adaptec.com/worldwide/product/markeditorial.html?sess=no&language=English+US&prodkey=raid_10_alternatives&type=White%20Papers

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