yes, we have other nfs mounts that recovered from the outage with no issues, They are still running.
never tried -o remount. Can't test our linux box as the mount -l fixed the issue. checked the AIX mount man page, I don't see it as a option. I'll give it a try. Out of curiosity, what did you replace your nfs with? thanks sig -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of Gustin Johnson Sent: Friday, October 14, 2005 11:02 AM To: CLUG General Subject: Re: [clug-talk] forcing umount on nfs filesystem [solved] -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Is there any userspace nfs programs still running? I replaced our last nfs share last year, so this is all sorta fuzzy What about remounting the share ("-o remount")? [EMAIL PROTECTED] wrote: > Turns out AIX does not have the same umount -l option. > > lsof and fuser do not return anything useful. > sudo lsof /unix_data > lsof: WARNING: can't stat() unknown file system /unix_data > Output information may be incomplete. > assuming "dev=0x80000027" from mount table > > > There's a small win for linux. > > > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] > Behalf Of Magnuson, Sig > Sent: Friday, October 14, 2005 9:40 AM > To: [email protected] > Subject: Re: [clug-talk] forcing umount on nfs filesystem [solved] > > > It figures, I have been playing with this on and off for a couple of days > now. Decide to engage the group and then discover the following works on > linux clients. Gonna try AIX now. > > sudo umount -lf /unix_data > > -l Lazy unmount. Detach the filesystem from the filesystem hierar- > chy now, and cleanup all references to the filesystem as soon as > it is not busy anymore. (Requires kernel 2.4.11 or later.) > > > > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] > Behalf Of Magnuson, Sig > Sent: Friday, October 14, 2005 9:31 AM > To: [email protected] > Subject: [clug-talk] forcing umount on nfs filesystem > > > we have a linux nfs server serving linux and AIX clients. > > When our linux nfs server recently went down we were left with stale NFS file > handles on some of the hosts. We have been unable to umount/remove the stale > mount. rebooting is not a option at this time. > > Any suggestions on how to remove this stale mount. > > IE: > > cat /etc/redhat-release > Red Hat Enterprise Linux AS release 3 (Taroon Update 4) > > sudo umount /unix_data > umount: /unix_data: device is busy > > sudo umount -f /unix_data > umount2: Device or resource busy > umount: /unix_data: device is busy > > sudo umount -vf /unix_data > umount2: Device or resource busy > umount: /unix_data: device is busy > > df -h > Filesystem Size Used Avail Use% Mounted on > ... > ... > calnfs01.corporate.net:/nfs_unix_data > - - - - /unix_data > > sudo lsof /unix_data > lsof: WARNING: can't stat() nfs file system /unix_data > Output information may be incomplete. > lsof: status error on /unix_data: Stale NFS file handle > lsof 4.63 > latest revision: ftp://vic.cc.purdue.edu/pub/tools/unix/lsof/ > latest FAQ: ftp://vic.cc.purdue.edu/pub/tools/unix/lsof/FAQ > latest man page: ftp://vic.cc.purdue.edu/pub/tools/unix/lsof/lsof_man > usage: [-?abhlnNoOPRstUvV] [-c c] [+|-d s] [+D D] [+|-f] > [-F [f]] [-g [s]] [-i [i]] [+|-L [l]] [+|-M] [-o [o]] [-p s] > [+|-r [t]] [-S [t]] [-T [t]] [-u s] [+|-w] [--] [names] > Use the ``-h'' option to get more help information. > > sudo fuser /unix_data > /unix_data: Stale NFS file handle > > sudo fuser -k /unix_data > /unix_data: Stale NFS file handle > > attempts to remount over top of the stale mount result in dual entries > sudo mount /unix_data > df -h > Filesystem Size Used Avail Use% Mounted on > ... > ... > calnfs01.corporate.net:/nfs_unix_data > 100G 74M 100G 1% /unix_data > calnfs01.corporate.net:/nfs_unix_data > 100G 74M 100G 1% /unix_data > > sudo umount -f /unix_data > df -k > Filesystem 1K-blocks Used Available Use% Mounted on > ... > ... > calnfs01.corporate.net:/nfs_unix_data > - - - - /unix_data > > sudo umount -f /unix_data > umount2: Device or resource busy > umount: /unix_data: device is busy > > > Anyone tried this suggestion? > http://lists.debian.org/debian-isp/2003/04/msg00234.html > > _______________________________________________ > clug-talk mailing list > [email protected] > http://clug.ca/mailman/listinfo/clug-talk_clug.ca > Mailing List Guidelines (http://clug.ca/ml_guidelines.php) > **Please remove these lines when replying > > _______________________________________________ > clug-talk mailing list > [email protected] > http://clug.ca/mailman/listinfo/clug-talk_clug.ca > Mailing List Guidelines (http://clug.ca/ml_guidelines.php) > **Please remove these lines when replying > > _______________________________________________ > clug-talk mailing list > [email protected] > http://clug.ca/mailman/listinfo/clug-talk_clug.ca > Mailing List Guidelines (http://clug.ca/ml_guidelines.php) > **Please remove these lines when replying -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.1 (GNU/Linux) Comment: Using GnuPG with Thunderbird - http://enigmail.mozdev.org iD8DBQFDT+SAwRXgH3rKGfMRAssNAJ4/HNVX2UrAYd7SMWuTQmG9PXnKaQCggqxJ ADrmJ7AqeZ3hlN0CceeB4AI= =ROgm -----END PGP SIGNATURE----- _______________________________________________ clug-talk mailing list [email protected] http://clug.ca/mailman/listinfo/clug-talk_clug.ca Mailing List Guidelines (http://clug.ca/ml_guidelines.php) **Please remove these lines when replying _______________________________________________ clug-talk mailing list [email protected] http://clug.ca/mailman/listinfo/clug-talk_clug.ca Mailing List Guidelines (http://clug.ca/ml_guidelines.php) **Please remove these lines when replying
