From mboxrd@z Thu Jan 1 00:00:00 1970 From: James Pearson Subject: Re: Problems with hard links in root NFS filesystem Date: Thu, 01 Aug 2002 12:51:22 +0100 Sender: nfs-admin@lists.sourceforge.net Message-ID: <3D4920BA.6685567E@moving-picture.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: "'nfs@lists.sourceforge.net'" Return-path: Received: from mpc-26.sohonet.co.uk ([193.203.82.251] helo=moving-picture.com) by usw-sf-list1.sourceforge.net with esmtp (Exim 3.31-VA-mm2 #1 (Debian)) id 17aEUP-0000wY-00 for ; Thu, 01 Aug 2002 04:51:33 -0700 To: Donald Burns Errors-To: nfs-admin@lists.sourceforge.net List-Help: List-Post: List-Subscribe: , List-Id: Discussion of NFS under Linux development, interoperability, and testing. List-Unsubscribe: , List-Archive: What options are you using to export the file systems from the server? Are you using 'no_subtree_check' ? Using no_subtree_check fixed a similar problem I had - see: http://marc.theaimsgroup.com/?l=linux-nfs&m=101309591431249&w=2 James Pearson Donald Burns wrote: > > > Dear list members, > > I have a problem using NFS. > > Synopsis: Files that are hard linked on the server's root > NFS images for a Beowulf cluster become inaccesable > either imediately or after a few hours. > > Boot example: From the server's logs (server is rg272) :- > > July 30 10:05:45 rg272 kernel: nfsd Security: sbin/init bad > export. > July 30 10:05:46 rg272 kernel: nfsd Security: sbin/bash bad > export. > > The client boot-up hangs at this point. > > After time example: From the server's logs (as I remember it):- > > July 30 11:34:02 rg272 kernel: nfsd Security: > lib/libc6.x.x.so bad export. > > Client example: From the command line:- > > cat /etc/inittab > cat: standard output: Stale NFS file handle > > Other symptoms: > > When booting the cluster each machine must be booted > on its own. Booting the machines in parallel fills the > servers logs with "bad export" messages. > > Problem exists irrespective of NFS protocol > used (V2 or V3) > > Cycling the power on the server clears the problem > temporarily but restarting the NFS service does not. > > System Details: > > Software:- Linux RedHat 7.3 on server and clients > (kernel 2.4.18) > Server:- Dell GX530 dual processor precision work > station. > Clients:- Dell GX260 single processor work station. > > Progress in solving the problem to date: > > By trawling the web I found one Gunnar Raetch who > experianced almost identical problems using kernel > 2.4.14. He fixed the problem by applying the > following kernel patches:- > > http://www.cse.unsw.edu.au/~neilb/patches/linux/2.4.14-pre4/ > > patch-D-NfsdOpsPrepare > patch-E-NfsdOps > patch-F-ReiserfsNfsdOps > > I am unable patch my 2.4.18 kernel with these patches. > I also tried down grading to kernel 2.4.14, successfully > applied the patches & compiled, but the USB support > in 2.4.14 would not allow me use of my mouse and keyboard > (Oh Sh*t!). > > I hope this provides sufficient info to resolve the problem. > > Many thanks in advance for your anticipated kind help. > > Best Regards, > > Donald. > > Reliance Gear Company Ltd. > Rowley Mills > Penistone Road > Lepton > Huddersfield > England > HD8 0LE > > Tel: +44 1484 601000 > fax: +44 1484 601001 > > http://www.reliance.co.uk > > THE INFORMATION IN THIS COMMUNICATION IS CONFIDENTIAL AND INTENDED ONLY FOR > THE USE OF THE ADDRESSEE. DISCLOSURE, USE OR COPYING OF THIS MESSAGE OR > ITS CONTENTS OTHER THAN BY THE ADDRESSEE IS PROHIBITED. IF YOU RECEIVE THIS > COMMUNICATION IN ERROR WE WOULD BE GRATEFUL IF YOU WOULD NOTIFY US > IMMEDIATELY AND DELETE ANY MATERIAL RECEIVED > > ------------------------------------------------------- > This sf.net email is sponsored by:ThinkGeek > Welcome to geek heaven. > http://thinkgeek.com/sf > _______________________________________________ > NFS maillist - NFS@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/nfs ------------------------------------------------------- This sf.net email is sponsored by:ThinkGeek Welcome to geek heaven. http://thinkgeek.com/sf _______________________________________________ NFS maillist - NFS@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/nfs