On Feb 17, 2011, at 3:44 PM, Jan Engelhardt wrote:
>
> Recent distributions start to have /etc/mtab being a symlink to
> /proc/mounts with util-linux 2.19. Subsequently, this annoys umount.nfs4
> from nfs-client-1.2.3 and emits a warning:
>
> jng-0:/ # grep nfs4 /proc/mounts
> 10.10.1.1:/home/ /home nfs4 rw,relatime,vers=4,rsize=1048576,wsize=1048576,namlen=255,hard,proto=tcp,port=0,timeo=600,retrans=2,sec=sys,clientaddr=10.10.1.212,minorversion=0,local_lock=none,addr=10.10.1.1 0 0
> jng-0:/ # umount /home
> umount.nfs4: invalid value for 'port=' option
With the latest nfs-utils (post 1.2.3) I can't reproduce this on my Fedora 13 client after replacing /etc/mtab with a symlink to /proc/mounts. I think we may have an upstream fix for this already:
commit dc08c702a6c7f824f317af561f491635ee898a71
Author: Chuck Lever <chuck.lever@xxxxxxxxxx>
Date: Wed Oct 13 13:55:10 2010 -0400
umount.nfs: Distinguish between nfs4 and nfs mounts
--
Chuck Lever
chuck[dot]lever[at]oracle[dot]com
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