Regarding automount, have you tried autofs? I'm not a fan of static mounts via fstab. We've a flaky server and I set my timeout in auto.master for 60 seconds for NFS servers and about 30 seconds for USB/FW drives. On Oct 3, 2009, at 6:56 AM, Mike Yates wrote: > I thought this had been fixed with newer kernels? > We have an old Maxtor Snap Server, an 80 GB NAS unit, containing > some of our archives. > Both of our CentOS servers have it permanently mounted by NFS for > convenient access. > This weekend, I discovered remotely that, although all systems > except the VRTSralus remote agents for Veritas (now Symantec) Backup > Exec were working just fine, both servers would freeze a shell solid > on starting to run "lsof" or half way through a "df". However, > "mount" ran OK and showed the next item in the "df" should have been > the Snap Server NFS mount. I pinged it and it did not respond - I'll > let you know Monday what is up. "umount -f" showed "Device busy" > but "umount -l" worked just fine and "df" "lsof" and "VRTSralus" all > work OK now. BTW the Veritas does not access the Snap Server, though > the weekly cron-job to tar-ball the Snap Server at 02:00 Saturday > did not email me at all, though it is shown in /var/log/cron. > > Does anyone know of a method to make NFS mounts auto un-mount if the > remote server disappears? > > > Mike Yates MBCS CITP (ISSG) > IT Support Engineer > > Hawkgrove Ltd - Software Systems Design > 2, The Business Courtyard, Marl Pits Lane, Trudoxhill, Frome, > Somerset, BA11 5DL, UK > +44 (0)1373 837900 fax: +44 (0)8700 518155 > Registered in England: 2756481 VAT Reg: UK 601 1137 11 > Registered Office: NSO Associates LLP, 75 Springfield Road, > Chelmsford, Essex CM2 6JB > All e-mail is subject to contract and is not intended to create a > legally binding agreement. > Hawkgrove Ltd will only be bound by an agreement in writing signed > by an authorized signatory. > All outgoing email is scanned by Kerio, using ClamAV 0.94.2/9865/Sat > Oct 3 03:45:19 2009 Known viruses: 625330. > > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos