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Subject: Re: [OMPI users] openmpi over tcp
From: Daniel De Marco (ddm_at_[hidden])
Date: 2009-01-29 15:18:47


Hi Ralph,

* Ralph Castain <rhc_at_[hidden]> [01/29/2009 14:27]:
> It is quite likely that you have IPoIB on your system. In that case, the
> TCP BTL will pickup that interface and use it.
>
> If you have a specific interface you want to use, try -mca
> btl_tcp_if_include eth0 (or whatever that interface is). This tell the TCP
> BTL to only use the specified interface, so it will either fail (if that
> interface isn't available or doesn't exist) or use only that one.

no, I don't have IPoIB configured. I tried anyway your suggestion and I
got the same results as before. The weird thing is that even if use
        -mca btl_tcp_if_include eth2
where eth2 doesn't exist I get the same results...

Thanks, Daniel.