On Wed, 3 Oct 2007, Andrew Clayton wrote:

On Wed, 3 Oct 2007 12:48:27 -0400 (EDT), Justin Piszcz wrote:

quoted

Also if it is software raid, when you make the XFS filesyste, on it,
it sets up a proper (and tuned) sunit/swidth, so why would you want
to change that?

Oh I didn't, the sunit and swidth were set automatically. Do they look
sane?. From reading the XFS section of the mount man page, I'm not
entirely sure what they specify and certainly wouldn't have any idea
what to set them to.

quoted

Justin.

Cheers,

Andrew
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As long as you ran mkfs.xfs /dev/md0 it should have optimized the 
filesystem according to the disks beneath it.

Justin.