On Thursday November 22, thomas62186218@xxxxxxx wrote: > Hi all, > > I am running a home-grown Linux 2.6.20.11 SMP 64-bit build, and I am > wondering if there is indeed a RAID 10 "personality" defined in md that > can be implemented using mdadm. If so, is it available in 2.6.20.11, or > is it in a later kernel version? In the past, to create RAID 10, I > created RAID 1's and a RAID 0, so an 8 drive RAID 10 would actually > consist of 5 md devices (four RAID 1's and one RAID 0). But if I could > just use RAID 10 natively, and simply create one RAID 10, that would of > course be better both in terms of management and probably performance I > would guess. Is this possible? Why don't you try it and see, or check the documentation? But yes, there is native RAID10 in 2.6.20. NeilBrown - 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