[Gllug] Virtual disk allocation advice requested

Bruce Richardson itsbruce at workshy.org
Thu Jul 3 16:37:57 UTC 2008

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.


If the universe were simple enough to be understood, we would be too
simple to understand it.
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 196 bytes
Desc: Digital signature
URL: <http://mailman.lug.org.uk/pipermail/gllug/attachments/20080703/c4592e92/attachment.pgp>
-------------- next part --------------
Gllug mailing list  -  Gllug at gllug.org.uk

More information about the GLLUG mailing list