Re: Problems mounting via UDP from a netapp with multiple interfaces

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On Thu, Apr 9, 2015 at 3:34 PM, Gregory Boyce <gregory.boyce@xxxxxxxxx> wrote:
> Folks,
>
> I've been encountering a problem with NFS clients attempting to mount
> from a netapp via UDP where the netapp is responding on the wrong
> interface.  On some of our older systems, this mount worked properly,
> while on newer systems nfs-utils ends up failing the mount.  Mounting
> via TCP works fine.
>
> It appears that there has been various related discussions over the
> years, and a relevant Redhat bug opened back in 2006:
>
> http://article.gmane.org/gmane.linux.nfs/22778/match=connect+udp
> https://bugzilla.redhat.com/show_bug.cgi?id=208244
>
> Is there a general recommendation for people in this sort of
> situation?  I'm assuming the code is currently using connected UDP
> sockets (I'm more of a sysadmin than a developer).  Is there an option
> I'm missing to disable this?  Otherwise does anyone know of a patch to
> change the behavior?
>

This is a server bug.. Those are not fixable on the client.

Trond
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