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Subject: Re: [OMPI users] openmpi over tcp
From: Brock Palen (brockp_at_[hidden])
Date: 2009-01-29 15:23:04

What does your machinefile look like? Just curious.

Brock Palen
Center for Advanced Computing

On Jan 29, 2009, at 3:18 PM, Daniel De Marco wrote:

> 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.
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