>But each file within that volume is replicated ta all servers in that
>group, right?

Yes.

>Understood.  I guess the next question would be if there are any thoughts
>about providing this feature?  It seems to me that this would provide the
>benefits of a replicating file system along with the benefits of a raid.
>The total volume size would scale automatically as more servers were added
>to it.

Jan answered this better than I could.  :)

--Phil

-- 
Phil Nelson                       NetBSD: http://www.netbsd.org
e-mail: phil@cs.wwu.edu           Coda: http://www.coda.cs.cmu.edu
http://cs.wwu.edu/faculty/nelson