Thanks for giving it a try, John.  I've got a couple questions that I'm 
sure you can help clarify.

On Feb 10, 2005, at 10:31 AM, John Hearns wrote:
> I just tried this set of steps.
> Cluster, running SL 3.03,  kernel 2.4.21-27.0.1ELsmp on client and 
> server.

What do you mean by "Cluster?" (are you using RH Cluster Suite, a 
clustered file system, ...)

> The server is a Sunfire V40z - four Opteron.

Are you running the kernel in 32 or 64-bit mode?

Are you using the kernel and nfs-utils binary rpms, or did you compile 
anything from source?

Thanks,
Devin

>  The clients are a mix of
> V20s and V40s.
> I did tests on a V40, running as root.
>
>
> Step 5, client touching a file on the NFS share when the I/O is 
> running,
> seems to take a mean of about 5 seconds.
>
> Step 6 times are unaffected - no time increase.
>

--------------------
Devin Bougie
Laboratory for Elementary-Particle Physics
Computer Group
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(607) 254-8353