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Subject: Re: [OMPI users] [Fwd: Re: ConfigureOpenMPIand SLURMon Debian (Lenny)]
From: Jeff Squyres (jsquyres_at_[hidden])
Date: 2009-04-03 10:34:52


Gahh -- you're right. I accidentally checked our development trunk,
not the released v1.3 series... Sorry for the confusion.

George, too, was referring to something that happened on our
development trunk, not the v1.3 series.

On Apr 3, 2009, at 10:16 AM, Jerome BENOIT wrote:

> Thanks for the reply !
>
>
> I asked because
>
> ompi_info --param all all | grep static
>
> gave nothing.
>
> This feature is certainly for the coming version.
>
> Jeff Squyres wrote:
> > What George is saying is that OMPI has two different systems that
> use
> > sockets: the BTL (MPI communications) and the OOB (OMPI's internal
> > management communications).
> >
> > We've been talking about the TCP BTL parameters over the rest of
> this
> > thread.
> >
> > For the TCP OOB, it looks like the parameter name is
> > "oob_tcp_static_ports". I think it takes a comma-delimited list of
> > ports. You can probably specify, say, 10000 for
> btl_tcp_port_min_v4 and
> > 9000 for oob_tcp_static_ports. For example:
> >
> > mpirun --mca oob_tcp_static_ports 9000 --mca
> oob_tcp_static_ports
> > 10000 --mca btl tcp,self ring
> >
> > If you don't want to put those two variables on every mpirun
> command,
> > you can set them in your environment, put them in your personal
> params
> > file, or in the master params file. Just make sure that those
> files are
> > either the same on all nodes or visible on all nodes. :-)
>
> I had my lesson !
>
> Thanks,
> Jerome
>
> >
> > http://www.open-mpi.org/faq/?category=tuning#setting-mca-params
> >
> >
> > On Apr 3, 2009, at 4:33 AM, Jerome BENOIT wrote:
> >
> >> Hello List !
> >>
> >> George Bosilca wrote:
> >> > The range of ports for the OOB TCP has been removed by commit
> r20390.
> >> > Apparently it was replaced by the static port functionality.
> Only the
> >> > TCP BTL use the range mechanism.
> >>
> >>
> >> if applicable, what is the parameter name for the this static
> port ?
> >>
> >
> >
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-- 
Jeff Squyres
Cisco Systems