[Lustre-discuss] New to lustre, client connection question

[Brian J. Murrell]

On Wed, 2010-01-13 at 11:19 +0100, Eric Mauger wrote: 
> Hi,

Hi,

> Each node has two nic. The first one (eth0) is used for administration 
> purpose and the second (eth1)
> is used for lustre interconnection.

> mount -t lustre 10.7.0.127 at tcp0:/lustre /mnt/lustre/
> 
> The lustre network is 10.7.0.0/24
> 
> On the MDS/MGT logs, I have :
> 
> mds kernel: LustreError: 120-3: Refusing connection from 195.220.11.120 
> for 195.220.11.127 at tcp: No matching NI
> 
> The address 195.220.11.120 is on eth0 and I really don't understand why 
> the connection seems to come from
> this network instead of 10.7.0.0

You need to review the section in the manual about LNET networking and
specifically how to bind NIDs to specific interfaces.  You are getting
the default behaviour but given your description above, that's not what
you want.  You need to explicitly configure your bindings to reflect
your "non-default" configuration.

b.

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