Temporarily losing network connection to the NFS Server some times causes the NFS client mount to go stale.
Standard attempts to
umountfails with the
umount: /mnt/nfs: device is busywhen using any of the following commands:
# mount -t nfs -o remount /mnt/nfs # umount /mnt/nfs # umount -f /mnt/nfs # umount -l /mnt/nfs # umount -lf /mnt/nfs
- Red Hat Enterprise Linux (RHEL)
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