Date: Tue, 20 Jun 2006 17:23:38 -0700 From: "Chuck Lever" <chucklever@gmail.com> To: "Steve Kargl" <sgk@troutmask.apl.washington.edu> 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: <76bd70e30606201723k1b561970ra8f7b516c89acbca@mail.gmail.com> In-Reply-To: <20060620225118.GA98667@troutmask.apl.washington.edu> References: <20060620205617.GR83482@over-yonder.net> <20060620223115.21443.qmail@web30803.mail.mud.yahoo.com> <20060620225118.GA98667@troutmask.apl.washington.edu>
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On 6/20/06, Steve Kargl <sgk@troutmask.apl.washington.edu> wrote: > On Tue, Jun 20, 2006 at 03:31:15PM -0700, Mohan Srinivasan wrote: > > > > --- "Matthew D. Fuller" <fullermd@over-yonder.net> wrote: > > > On Tue, Jun 20, 2006 at 01:45:07PM -0700 I heard the voice of > > > David O'Brien, and lo! it spake thus: > > > > > > > > Note that mounting NFS /home with -T "fixes" the problem. > > > > > > Hm, that's a point. I have an early-June -CURRENT as a NFS client on > > > a late-Nov. -CURRENT NFS server, and haven't had any troubles. But I > > > do use TCP mounts. > > > > > > > I am not able to reproduce the problems you report :( > > > > 1) On the latest -current NFS client, and against both NetApp filers and > > FreeBSD 4.11 servers, mounting NFS/UDP, > > > > I copied a .tgz image of the freebsd source tree to an NFS mount, untarred > > it over NFS and built the kernel over NFS. > > > > That works fine. I don't see any "server not responding messages". > > > > 2) Then I did the same with a FreeBSD4.11 client and the FreeBSD -current > > server - copying the .tgz file over NFS and untarring it over NFS, to see > > if might be a -current NFS server issue. That works fine too. > > > > Unfortunately, I am unable to mount -current against -current here. > > > > I have a mix of bge and fxp cards. > > 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? -- "We who cut mere stones must always be envisioning cathedrals" -- Quarry worker's creed
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