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CentOS 7.5.1804

I cannot unount filesystem, that was exported via nfs. On nfsv4 client was connected in the past.

I removed all references from /etc/exports. exportfs and /proc/fs/nfsd/exports shows that mount directory is not exported anymore. I checked mount point with lsof (empty list) and fuser -mv:

[root@host ~]# fuser -mv /storage/nfs/test
                     USER        PID ACCESS COMMAND
/storage/nfs/test:  root     kernel mount /storage/nfs/test

Is there any other way to check what is blocking umount?

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  • 1
    Try to reload nfs-server, sometimes it need a restart. Also check for samba config if any.
    – kab00m
    Nov 12, 2020 at 11:18

1 Answer 1

Reset to default
0

lsof /storage/nfs/test

Also, update your server. Current is CentOS 7.9

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