Forgot one point, apologies for double posting...
When you execute a umount, the process hangs, anything trying to access the
mount point freezes. A fuser /exports/u01 is suicide...
> -----Original Message-----
> From: Loucks, Guy
> Sent: Tuesday, April 10, 2001 5:39 PM
> To: tru64-unix-managers_at_sws1.ctd.ornl.gov
> Subject: Performance of NFS with SUN's
>
> People,
>
> We are observing some interesting performance characteristics with a DS-20
> and a SUN E-450.
>
> The E-450 is acting as the NFS Server, the DS-20 as a client.
>
> Both servers have a Gig interface, on the same LAN, and can see each
> other. These servers are connected to a COMPAQ (Cabletron / Enterasys)
> SSR/8.
>
> No errors on console, or in logs.
>
> NFS performance is BAD. We are averaging about 500MB/5 minutes or about
> 1.7MB/s.
>
> The SUN is idle (Dual processor, max CPU %20), the DS-20 has 40% CPU
> available, and not much network traffic.
>
> We are needing to move about 70GB of data for batch processing. It is
> looking like a tape would be more effective, but a management nightmare!
>
> Thoughts or suggestions are most welcome. I will summarize.
>
> Kind Regards,
>
> Guy
>
> Guy R. Loucks
> Senior Unix Systems Administrator
> Networks Branch
> NSW Department of Education & Training
> Information Technology Bureau
> Direct +61 2 9942 9887
> Fax +61 2 9942 9600
> Mobile +61 (0)429 041 186
> Email guy.loucks_at_det.nsw.edu.au
>
>
Received on Tue Apr 10 2001 - 07:42:08 NZST