[mpich-discuss] mpich2 and IPoIB

Fabio Motezuki kenji_japanese at ig.com.br
Mon Oct 27 14:12:25 CDT 2008


Thanks Rajeev,

I'll try it, perhaps is there any options like this for smpd?

Fabio


Rajeev Thakur escreveu:
> Try specifying the interface name using ifhn= in the mpd.hosts file as
> described in Sec 5.1.5 of the installation guide.
> http://www.mcs.anl.gov/research/projects/mpich2/documentation/files/mpich2-1
> .0.8-installguide.pdf
>
> Rajeev 
>
>   
>> -----Original Message-----
>> From: owner-mpich-discuss at mcs.anl.gov 
>> [mailto:owner-mpich-discuss at mcs.anl.gov] On Behalf Of Fabio Motezuki
>> Sent: Monday, October 27, 2008 5:35 AM
>> To: mpich-discuss at mcs.anl.gov
>> Subject: [mpich-discuss] mpich2 and IPoIB
>>
>> Hi all,
>>
>> I'm working on a cluster where each node is connected with 
>> two networks:
>>
>> eth0 - gigabit ethernet
>> ib0 - IP over infiniband
>>
>> I would like to use the ib0 net for all mpi communications, 
>> but when I 
>> start the example cpi all comunications go through eth0 is this the 
>> expected behavior?
>>
>> I'm launching the example program with "mpiexec -machinefile mf -n 16 
>> ./cpi" where the file "mf" contains the ip address of 
>> infiniband cards.
>>
>> Fabio
>>
>>
>>     
>
>
>   




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