quoted

quoted

On Thu, 22 Nov 2007 22:09:27 -0500, thomas62186218@aol.com
said:

[ ... ] a RAID 10 "personality" defined in md that can be
implemented using mdadm. If so, is it available in 2.6.20.11,
[ ... ]

Very good choice about 'raid10' in general. For a single layer
just use '-l raid10'. Run 'man mdadm', the '-l' option and also
the '-p' option for the more exotic variants. Also 'man 4 md'
the "RAID10" section.

The pairs are formed naturally out of the block device list
(first with second listed, and so on).

8 drive RAID 10 would actually consist of 5 md devices (four
RAID 1's and one RAID 0). [ ... ] one RAID 10, that would of
course be better both in terms of management and probably
performance I would guess. [ ... ]

Indeed easier in terms of management and there are some
interesting options for layout. Not sure about performance, as
sometimes I have seen strange interactions with the page cache
either way, but usually '-l raid10' is the way to go as you say.