A normal RAID 10 requires an even number of disks. Neil gave a detailed description. Maybe 6 months ago. Do a search for RAID10 or raid10. I just looked at the link you gave. RAID-1E does look like the RAID10 that md supports. Until today, I had never seen RAID-1E. -----Original Message----- From: linux-raid-owner@xxxxxxxxxxxxxxx [mailto:linux-raid-owner@xxxxxxxxxxxxxxx] On Behalf Of Andy Smith Sent: Thursday, January 27, 2005 12:42 PM To: 'linux-raid' Subject: Re: RAID-10 with odd number of disks (was Re: Software RAID 0+1 with mdadm.) 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 - To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
