[Gllug] Virtual disk allocation advice requested

[Bruce Richardson]

On Thu, Jul 03, 2008 at 04:07:21PM +0100, Kostas wrote:
> On Thu, Jul 03, 2008 at 10:24:13AM +0100, Richard Jones wrote:
> 
> > Something like the above, I may have missed out or exaggerated some
> > context switches, but I think that single request/response turns into
> > on the order of 6 context switches.  The situation is much worse if
> > you're not paravirtualizing.
> > 
> > In practice this is noticably slow.  NFS over UDP was unusable when I
> > tried it, and NFS(v3) over TCP is usable but slow.
> 
> Interesting, at home I have a paravirtualized domU mounting home
> directories with NFS(v4+sec=krb5) from dom0

But you are running the NFS server in dom0; Richard was explaining the
case where both server and client are running in domU domains.

-- 
Bruce

If the universe were simple enough to be understood, we would be too
simple to understand it.
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