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Old 02-21-2011, 02:08 PM   #1
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NFS refuses to unmount

I have a drive on a server that is shared via nfs to a client. This works as expected. Then I want to unmount the drive from the server. I first unmount the drive from the client:
umount /local/path

Then I comment out the drive in /etc/exports on the server and run:
sudo exportfs -a

Then I try to unmount it on the server, but it is busy. lsof and fuser shows nothing. I have even tried stopping nfsd and rpd. One process always remains that cant be killed, it is called nfsiod. If i restart the server the drive can be mounted and unmounted as usual, until a client mounts it. After this it is always locked, even if the client unmounts. What is going on?
Old 02-21-2011, 02:19 PM   #2
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sudo exportfs -rf
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Old 02-21-2011, 02:43 PM   #3
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It worked, thanks! I spent like 2 hours trying to make that work without success.


lock, mount, nfs

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