Re: Poor NFS client performance on 2.4.18?

From: Dan Yocum (yocum@fnal.gov)
Date: Tue May 07 2002 - 10:54:10 EST


Dan Yocum wrote:
>
> Trond Myklebust wrote:
> >
> > On Tuesday 7. May 2002 00:05, Dan Yocum wrote:
> > > Trond,
> > >
> > > OK, so backing out the rpc_tweaks dif fixed the performance problem,
> > > however, seems to have introduced another problem that appears to be
> > > stemming from the seekdir.dif. Attempting to run an app from an IRIX
> > > client (that has the 32bitclients option set) freezes the NFS volume - one
> > > can't access it from the Linux side, anymore.
> > >
> > > You can read and write to the NFS volume *before* trying to run something
> > > from there, but not after.
> > >
> > > Ideas?
> >
> > That smells like another network driver bug. Have you tcpdumped the traffic
> > between client and server?
>
> Ah, that may be the case - the problem also exists with a Linux server as
> well... let me check, and I'll let you know.

I take that back - it's only hanging on the Linux server when the IRIX
server is already hung.

-- 
Dan Yocum
Sloan Digital Sky Survey, Fermilab  630.840.6509
yocum@fnal.gov, http://www.sdss.org
SDSS.  Mapping the Universe.
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