Re: mounted multiple times

Jack Tanner wrote:

David G. Miller (aka DaveAtFraud <dave <at> davenjudy.org> writes:

Question, does umount still unmount "one instance" of the mount? This is the behavior under Red Hat Enterprise 3 (2.4 kernel) which also doesn't complain. The application I QA hasn't managed to get confused enough under RHEL4 (we start supporting RHEL4 under our next release) to mount one of our mount points multiple times so I don't have a data point for RHEL4 (2.6 kernel).

Under FC4 (kernel 2.6.14-1.1644), umount removes no mounts at all if there are
multiple mounts of the same mount point.

Under RHEL3, I just keep issuing umounts for the mount point until I get rid of all of them. Would this work for your situation? Any idea when this "feature" got added to mount/umount?

The only thing that worked for removing one of the duplicate mount points was
umount -f (as root).

I wrapped a code snippet posted earlier in this thread into a function that I
then placed in my .bashrc.

mount_if_not_mounted() {
       MOUNT='/bin/mount'
       MOUNTPOINT='/mount/point'
       if [ "`$MOUNT | grep "$MOUNTPOINT"`" = "" ] ; then
               $MOUNT $1
       fi
}

What is the expected value of $1?

Minor modification

mount_if_not_mounted() {
       MOUNT='/bin/mount'
       MOUNTPOINT=$1
       if [ "`$MOUNT | grep "$MOUNTPOINT"`" = "" ] ; then
               $MOUNT $MOUNTPOINT
       fi
}

mount_if_not_mounted "/mnt/samba/share";

That works wonderfully when invoked from .bash_profile as

mount_if_not_mounted /mount/point

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