Hwisenbug NFS FLAG DAY

J. Bruce Fields bfields at redhat.com
Tue Sep 24 20:11:12 UTC 2013

On Tue, Sep 24, 2013 at 12:07:45AM -0700, Chuck Forsberg WA7KGX wrote:
> After upgrading from Korora 19 to Heisenbug,the following line
> in /etc/exports no longer exports an NFS share that SCO Openserver 5
> can mount.
> /u,async,insecure)
> The following appears in /var/log/messages:
> authenticated mount request from for /u (/u)
> But SCO cannon mount, complaining PROGRAM VERS MISMATCH
> Protocol not available.

If you edit the RPCNFSDARGS line in /etc/sysconfig/nfs line to


and restart nfsd, does the problem go away?

I think v2 might have gotten turned off by default.

NFSv3 came out nearly 20 years ago.  Sigh.


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