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тАО02-22-2010 03:04 AM
тАО02-22-2010 03:04 AM
LVOL not unmounting
I am getting the following error while trying to unmount an LVOL i created earlier:-
# umount /data
umount: cannot unmount /dev/vg08/lvol1 : Device busy
umount: return error 1.
'fuser -c /data' does not show any use of the mount point
/data:
/data is also not shared under NFS.
What can be the problem?
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тАО02-22-2010 03:44 AM
тАО02-22-2010 03:44 AM
Re: LVOL not unmounting
file systems mounted underneath /data
check for any file system mounted inside /data
bdf |grep -i data
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тАО02-22-2010 04:01 AM
тАО02-22-2010 04:01 AM
Re: LVOL not unmounting
/dev/vg08/lvol1 1048576 17370 966762 2% /data
No there are no other filesystem(s) mounted under data
root@spare2:/>ll data
total 60
-rw------- 1 root sys 30720 Feb 20 17:04 data.bak
drwxr-xr-x 2 root root 96 Feb 17 18:14 lost+found
drwxrwxrwx 2 root sys 96 Feb 20 13:08 script
root@spare2:/>ll data/script/
total 4
-rwx------ 1 root sys 83 Feb 20 11:20 fcmout.sh
-rwx------ 1 root sys 424 Feb 20 13:07 lsusers.sh
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тАО02-22-2010 04:37 AM
тАО02-22-2010 04:37 AM
Re: LVOL not unmounting
Use lsof instead of fuser
lsof /data
If you have not lsof, install it and check with it
http://hpux.connect.org.uk/hppd/hpux/Sysadmin/lsof-4.82/
HTH
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тАО02-22-2010 05:25 AM
тАО02-22-2010 05:25 AM
Re: LVOL not unmounting
You may have some defunct process that is dead, but still holding on to it.
Rita
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тАО02-23-2010 07:23 AM
тАО02-23-2010 07:23 AM
Re: LVOL not unmounting
to see user processes
fusert -cuk [mountpoint]
to kill all
If there is an NFS mount on it that is a whole different thing.
Does bdf [mountpoint] hang?