Date: Tue, 20 Jun 2006 17:38:28 -0700 From: Steve Kargl <sgk@troutmask.apl.washington.edu> To: Chuck Lever <chucklever@gmail.com> Cc: freebsd-current@freebsd.org, Robert Watson <rwatson@freebsd.org>, Mohan Srinivasan <mohan_srinivasan@yahoo.com>, "Matthew D. Fuller" <fullermd@over-yonder.net> Subject: Re: Often experiencing nfs server foo:/bar: not responding Message-ID: <20060621003828.GC99008@troutmask.apl.washington.edu> In-Reply-To: <76bd70e30606201723k1b561970ra8f7b516c89acbca@mail.gmail.com> References: <20060620205617.GR83482@over-yonder.net> <20060620223115.21443.qmail@web30803.mail.mud.yahoo.com> <20060620225118.GA98667@troutmask.apl.washington.edu> <76bd70e30606201723k1b561970ra8f7b516c89acbca@mail.gmail.com>
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On Tue, Jun 20, 2006 at 05:23:38PM -0700, Chuck Lever wrote: > On 6/20/06, Steve Kargl <sgk@troutmask.apl.washington.edu> wrote: > > > >I've seen the problem described by David on RELENG_6. > > > >You can see the network topology at > >http://troutmask.apl.washington.edu/~kargl/hpc.html > >The NFS server is on node10 (bge1) and /home is exported to node11 > >through node15. If I mount node10:/usr/src on node15 a "make installworld" > >will result in a never ending stream of "server not responding messages". > > Has anyone who has seen this issue tried using the dumb timer mount option? > I did not try that option in that the description suggested to me that -d is applicable to slow networks. Before I tried -d, I decided to see what happens. Interesting. node11:kargl[214] rsync -av kargl@node10:prj /tmp ... sent 11970 bytes received 34071110 bytes 22722053.33 bytes/sec total size is 34032098 speedup is 1.00 node11:kargl[215] rm -rf /tmp/prj node11:kargl[216] time cp -R ~/prj /tmp nfs server master:/home: not responding nfs server master:/home: not responding nfs server master:/home: not responding /tmp is a memory filesystem and /home/kargl is NFS exported. -- Steve
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