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<H1>[Mageia-dev] Any progress on the NFS mount problem?</H1>
<B>Anne Wilson</B>
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TITLE="[Mageia-dev] Any progress on the NFS mount problem?">annew at kde.org
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<I>Thu Sep 20 11:54:07 CEST 2012</I>
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<PRE>-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
On 19/09/12 21:47, Guillaume Rousse wrote:
><i> Le 19/09/2012 19:46, Anne Wilson a écrit :
</I>>><i> -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1
</I>>><i>
</I>>><i> My laptop uses fstab lines to mount directories on the old server
</I>>><i> and also on a QNAS box. I've no idea what version of Linux is
</I>>><i> running on the QNAS, but the mounts are working there. The old
</I>>><i> server is running Mageia 2, and mount to that don't work.
</I>>><i>
</I>>><i> Working line example:
</I>>><i>
</I>>><i> 192.168.0.200:/DataFromBorg2 /mnt/QNAS-Borg2-Data nfs
</I>>><i> user,timeo=14 0 0
</I>>><i>
</I>>><i> Non-working (M2) example:
</I>>><i>
</I>>><i> 192.168.0.40:/Data1 /mnt/borg2_Data1 nfs
</I>>><i> user,rsize=8192,wsize=8192,nosuid,soft 0 0
</I>><i> First, your are clearly not mounting the same path (/DataFromBorg2
</I>><i> vs /Data1), so your comparaison is quite biased.
</I>><i>
</I>As I stated, these are two different sources, the old server and the
new one. The version used in the QNAS mount is the one I had
previously used with Scientific Linux, so that's where I started from.
I gave this information because it proves that the nfs client is at
least working since it can connect with the QNAS, so the problem is in
how I connect with the nfs server on borg2.
><i> Second, you'd rather use mount command, than hardcoded entries in
</I>><i> /etc/fstab entries, to debug the issues. You'll get much more
</I>><i> input.
</I>><i>
</I>I've had no success at all there - I never fully understood command
mounting.
mount 192.168.0.40:/Data1 /mnt/borg2_Data1 -t nfs
mount.nfs: requested NFS version or transport protocol is not supported
Every variation I've tried on the command simply returns to the help file.
><i> Third, you'd rather avoid useless options such as rsize and wsize,
</I>><i> unless you know what you're doing.
</I>><i>
</I>First, that is a format I used in earlier versions/distros. Second,
it was copied from a bug report. In the absence of better advice, I
took that.
>><i> Note that I initially wrote it the same way as the QNAS line,
</I>>><i> and reverted to this older style when I found that didn't work.
</I>>><i>
</I>>><i> mount -a gives mount.nfs: requested NFS version or transport
</I>>><i> protocol is not supported
</I>>><i>
</I>>><i> If I forget and click on the mount point in Dolphin I get
</I>>><i>
</I>>><i> "An error occurred while accessing 'Data1 on 192.168.0.40', the
</I>>><i> system responded: mount.nfs: requested NFS version or transport
</I>>><i> protocol is not supported"
</I>>><i>
</I>>><i> Is this <A HREF="https://bugs.mageia.org/show_bug.cgi?id=6541?">https://bugs.mageia.org/show_bug.cgi?id=6541?</A> And is
</I>>><i> there anything I can do to improve matters?
</I>><i> According to the error message, you have probably a version
</I>><i> negotiation issue between your client and your server. Add -d
</I>><i> option to rpc.mountd (RPCMOUNTDOPTS variable in /etc/sysconfig/nfs)
</I>><i> on server side,
</I>
Done.
><i> and -v option to mount.nfs on client side to get more verbose error
</I>><i> reporting.
</I>><i>
</I>
How do I do that? mount.nfs is an executable, not a shell script, so
I can't add it there. Attempting to add it in the mount command says
it is an invalid option.
Which log file should I be monitoring for this? I issued a "mount -a"
command then checked dmesg, messages and syslog, and none of them are
reporting anything at all about a mount attempt.
Anne
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