[Lustre-discuss] Mount 2 clusters, different networks - LNET tcp1-tcp2-o2ib

Michael Shuey shuey at purdue.edu
Tue Jun 14 10:00:59 PDT 2011

Is your ethernet FS in tcp1, or tcp0?  Your config bits indicate the
client is in tcp1 - do the servers agree?

Mike Shuey

On Tue, Jun 14, 2011 at 12:23 PM, Thomas Roth <t.roth at gsi.de> wrote:
> Hi all,
> I'd like to mount two Lustre filesystems on one client. Issues with more than one MGS set aside,
> the point here is that one of them is an Infiniband-cluster, the other is ethernet-based.
> And my client is on the ethernet.
> I have managed to mount the o2ib-fs by setting up an LNET router, but now this client's LNET doesn;t
> known how to reach the ethernet-fs.
> So the basic modprobe.conf reads
>  > options lnet networks=tcp1(eth0) routes="o2ib LNET-Router-IP at tcp1"
> This mounts the MGS on the o2ib network.
> What do I have to add to get to the MGS on the tpc network?
> Meanwhile I have studied more posts here and came up with
>  > options lnet networks=tcp1(eth0),tcp2(eth0:0) routes="o2ib LNET-Router-IP at tcp1; tcp
> Default-Gateway-IP at tcp2"
> Doesn't work either, but I see in the log of the (tcp-)MGS:
>  > LustreError: 120-3: Refusing connection from Client-IP for MGS-IP at tcp2: No matching NI
> Somethings getting through ...
> Any ideas?
> Regards,
> Thomas
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