[mpich-discuss] mpich2 and IPoIB

[Jayesh Krishna]

 Hi,
  Yes, you can use the "-ifhn" option in the machinefile with smpd.
  Let us know if you have any problems.

Regards,
Jayesh

-----Original Message-----
From: owner-mpich-discuss at mcs.anl.gov
[mailto:owner-mpich-discuss at mcs.anl.gov] On Behalf Of Rajeev Thakur
Sent: Monday, October 27, 2008 2:22 PM
To: mpich-discuss at mcs.anl.gov
Subject: RE: [mpich-discuss] mpich2 and IPoIB

Probably :-). From doing a grep in the smpd directory it looks like it
might accept "-ifhn hostname"

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 2:12 PM
> To: mpich-discuss at mcs.anl.gov
> Subject: Re: [mpich-discuss] mpich2 and IPoIB
> 
> 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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