root@Server20:~# uname -a
Linux Server20 3.2.0-23-generic #36-Ubuntu SMP Tue Apr 10 20:39:51 UTC 2012
x86_64 x86_64 x86_64 GNU/Linux
root@Server20:~#
root@Server20:~# mount | grep ocfs2
ocfs2_dlmfs on /dlm type ocfs2_dlmfs (rw)
/dev/sdc on /vms/vepa-testlun1 type ocfs2 (rw,_netdev,heartbeat=local)
/dev/sdb on /vms/vepa-testlun0 type ocfs2 (rw,_netdev,heartbeat=local)
/dev/sdh on /vms/share type ocfs2 (rw,_netdev,heartbeat=local)
root@Server20:~# umount /vms/vepa-testlun1
umount: /vms/vepa-testlun1: device is busy.
(In some cases useful info about processes that use
the device is found by lsof(8) or fuser(1))
root@Server20:~# fuser -m /vms/vepa-testlun1
root@Server20:~# lsof +d /vms/vepa-testlun1
root@Server20:~# lsof /vms/vepa-testlun1
root@Server20:~# umount /vms/vepa-testlun1
umount: /vms/vepa-testlun1: device is busy.
(In some cases useful info about processes that use
the device is found by lsof(8) or fuser(1))
root@Server20:~# umount /vms/vepa-testlun1 ;echo $?
umount: /vms/vepa-testlun1: device is busy.
(In some cases useful info about processes that use
the device is found by lsof(8) or fuser(1))
1
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