On 2010-11-14, Steven Surdock <ssurdock@engineered-net.com> wrote:
quoted text
> Greetings, I'm attempting to use an OBSD 4.8-stable machine as an NFS
> server for storing snapshots from an ESXi 3.5 server.  Unfortunately my
> NFS performance seems relatively poor at about 55 Mbps (6 MBps).  Both
> machines are linked up at 1 Gbps via an HP ProCurve 1850G and I'm
> writing to wd0.  I've looked at disk i/o, upped
> net.inet.tcp.recvspace/sendspace (NFS session is using TCP) and done my
> share of googling, but I'm at a bit of a loss on how to figure out where
> my problem lies.  Any pointers would be appreciated.

When I ran ESXi 3.5 I found i/o was painfully slow, even with local
disk (and NFS performance with an OpenBSD server was appalling).
In general i/o performance in ESXi 4.1 seems a lot better, but
I haven't tried it with OpenBSD as NFS server yet.