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umount error :

 
fizan
Super Advisor

umount error :

# fuser -c /ignite/arch01
/ignite/arch01:

# fuser -k /dev/vg00/lvol15
/dev/vg00/lvol15:

# umount /ignite/arch01
umount: cannot unmount /dev/vg00/lvol15 : Device busy
umount: return error 1.

its a ignite server so using NFS, so stopped NFS service & also tried by /sbin/init.d/nfs.core, server,client stop.

===

# /sbin/init.d/nfs.server stop
killing nfsd
killing rpc.mountd
# umount /ignite/arch01
umount: cannot unmount /dev/vg00/lvol15 : Device busy

Thanks
7 REPLIES
Sri123
Advisor

Re: umount error :

Make sure that you are executing the umount from the root directory, otherwise it would fail.

#pwd
/

Regards,
Sridhar
Jitesh purohit_1
Regular Advisor

Re: umount error :

Hi Fizan ,

You may try to list out the open files for Mount point :- /ignite/arch01 through lsof ,

Thanks
Jitesh
Viktor Balogh
Honored Contributor

Re: umount error :

Hi fizan,

As Sri123 told you, you could try to list the processes with lsof, which is much more robust than fuser. If you don't have it installed:

http://hpux.connect.org.uk/hppd/hpux/Sysadmin/lsof-4.84/

Regards,
Viktor
****
Unix operates with beer.
fizan
Super Advisor

Re: umount error :

Hi,

my PWD is / --- so no concern abut this.

lsof not working.

Any other way to umount
Viktor Balogh
Honored Contributor

Re: umount error :

> lsof not working.

what do you mean by this? is it not installed?

> Any other way to umount

are you sure you try the correct filesystem? show us the output of

# bdf | grep /dev/vg00/lvol15

and

# bdf | grep /ignite/arch01


****
Unix operates with beer.
fizan
Super Advisor

Re: umount error :

bdf |grep /dev/vg00/lvol15
/dev/vg00/lvol15 20480000 14036851 6040458 70% /ignite/arch01


bdf |grep /ignite/arch01
/dev/vg00/lvol15 20480000 14036851 6040458 70% /ignite/arch01

No the lsof is a 3rd party tool so we are not allowed to install?
fizan
Super Advisor

Re: umount error :

THE FINAL SOLUTION IS AM REBOOTING THE SERVER.

COMMENT OUT IN /ETC/FSTAB -- SO WHILE BOOTING IT ILL NOT AUTO MOUNT.

/thanks