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Top Forums UNIX for Advanced & Expert Users /etc/mnttab is zero length - I have done a silly thing Post 302149288 by Smiling Dragon on Wednesday 5th of December 2007 01:37:00 PM
Old 12-05-2007
Quote:
Originally Posted by porter
On Solaris 7 (I think) it behaved as just a file, where the mount/umount programs adjusted it, but the umount system call didn't touch it.

You could use the tried and tested Windows solution,..... reboot it.
Yeah I had that as my backup plan but I had a little time as it was still working (sort of) so I figured I'd try and find a cleaner fix Smilie

Interesting that the system call didn't update the mnttab in the old days, I could see that creating a bit of a potential mess. I've done very little work with sol7, went straight from 2.6 to 8 with the memorable exception of trying to run some NIS+ servers on 7 (shudder).
 

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UMOUNT.NFS(8)						      System Manager's Manual						     UMOUNT.NFS(8)

NAME
umount.nfs, umount.nfs4 - unmount a Network File System SYNOPSIS
umount.nfs dir [-fvnrlh ] DESCRIPTION
umount.nfs and umount.nfs4 are a part of nfs(5) utilities package, which provides NFS client functionality. umount.nfs4 and umount.nfs are meant to be used by the umount(8) command for unmounting NFS shares. This subcommand, however, can also be used as a standalone command with limited functionality. dir is the directory on which the file system is mounted. OPTIONS
-f Force unmount the file system in case of unreachable NFS system. -v Be verbose. -n Do not update /etc/mtab. By default, an entry is created in /etc/mtab for every mounted file system. Use this option to skip delet- ing an entry. -r In case unmounting fails, try to mount read-only. -l Lazy unmount. Detach the file system from the file system hierarchy now, and cleanup all references to the file system as soon as it is not busy anymore. -h Print help message. NOTE
For further information please refer nfs(5) and umount(8) manual pages. FILES
/etc/fstab file system table /etc/mtab table of mounted file systems SEE ALSO
nfs(5), umount(8), AUTHOR
Amit Gud <agud@redhat.com> 6 Jun 2006 UMOUNT.NFS(8)
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