[CentOS] RAID-10 vs Nested (RAID-0 on 2x RAID-1s)

Fri Mar 30 03:19:58 UTC 2012
Luke S. Crawford <lsc at prgmr.com>

On Thu, Mar 29, 2012 at 04:49:26PM -0500, Tim Nelson wrote:
> Am I overthinking this? Does the kernel handle the mirror/stripe configuration under the hood, simply presenting me with a magical RAID10 array? Or, is this something different and I really should be performing the RAID creation manually as noted in option #1?

I used to do something very similar to option 1, save that I used LVM to 
do the striping.  I now use the md raid10 array.  Rebuilds are dramatically
faster under the 'just let md handle the raid10' option.