On Tue, Mar 1, 2011 at 10:23 AM, Kevin Clark <[email protected]> wrote:
> Any thoughts/ideas?

There are a lot of variables here.  Are you using virtio-blk devices
and Windows guest drivers?  Are you using hardware RAID5 on the NFS
server?  Could it be a network issue (contention during benchmark
runs)?

I'd start by benchmarking NFS on the host without running a virtual
machine.  Make sure you're getting acceptable performance and
repeatable results there first.

Stefan
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