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тАО05-09-2007 09:38 PM
тАО05-09-2007 09:38 PM
Unable to unmount a filesystem.
umount: cannot unmount 'filesystem name' : Block device required
umount: return error 1.
I have checked the mnttab and it all looks ok. I have copied away the mnttab, remounted ( via mount -a ) and the mnttab has been recreated identically. Still unable to unmount.
I have checked that there are 'r' & 'c' device files for this filesystem and there are. The fstab looks as expected.
The fuser -u shows no users on the filesystem. There are no filesystem mounted below.
I am stumped. Can anyone help?
many thanks.
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- umount
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тАО05-09-2007 09:39 PM
тАО05-09-2007 09:39 PM
Re: Unable to unmount a filesystem.
/etc/mnttab controls nothing.
Check /etc/fstab for bad entires.
The message indicates a problem in that file.
SEP
Owner of ISN Corporation
http://isnamerica.com
http://hpuxconsulting.com
Sponsor: http://hpux.ws
Twitter: http://twitter.com/hpuxlinux
Founder http://newdatacloud.com
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тАО05-09-2007 09:50 PM
тАО05-09-2007 09:50 PM
Re: Unable to unmount a filesystem.
The /etc/fstab looks as I would expect. No obvious spelling/typos.
The mount -a didn't error. Wouldn't this have errored if there was a typo?
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тАО05-09-2007 09:56 PM
тАО05-09-2007 09:56 PM
Re: Unable to unmount a filesystem.
I have had this error, and newfs has not executed....
Execute your newfs and it's will be fine
Regards
L-DERLYN
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тАО05-09-2007 09:57 PM
тАО05-09-2007 09:57 PM
Re: Unable to unmount a filesystem.
http://forums1.itrc.hp.com/service/forums/questionanswer.do?threadId=727099
Cheers,
Wout
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тАО05-09-2007 10:00 PM
тАО05-09-2007 10:00 PM
Re: Unable to unmount a filesystem.
I have read mount problem not umount
Sorry
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тАО05-09-2007 10:26 PM
тАО05-09-2007 10:26 PM
Re: Unable to unmount a filesystem.
I did ther 'find / -type M' and it showed an extra mountpoint. I have tried unmounting this mountpoint but, it won't beacause there's no entry anywhere to suggest it exists. There are empty dirs beneath this mountpoint but I am unable to remove them - because they are mounpoints!
There's no entry for this extra mountpoint in either mnttab or fstab. So, I'm thinking of a reboot to see if it comes back - or has somehow been created manually since the last reboot.
Would this make sense? or can I avoid the reboot somehow?
thanks again. Your help is really appreciated.
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тАО05-09-2007 11:17 PM
тАО05-09-2007 11:17 PM
Re: Unable to unmount a filesystem.
I've rebooted the server and all is now well.
I've also completely removed the 'rougue mountpoint' - this time there was no problem removing the dirs.
Still no wiser as to why it occurred but pleased that it's gone now.
Thanks all for your time & effort.
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тАО04-23-2012 10:53 PM
тАО04-23-2012 10:53 PM
Re: Unable to unmount a filesystem.
Hi,
use vxumount -o force /mount_point to unmount FS which is showing device busy and fuser is not showing any process.vxumount only work with upper version of vxfs.
Thanks
prakash
- Tags:
- vxumount