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Subject: Re: [OMPI users] mpirun fails on remote applications
From: Lenny Verkhovsky (lenny.verkhovsky_at_[hidden])
Date: 2009-05-12 04:54:57


sounds like firewall problems to or from anfield04.
Lenny,

On Tue, May 12, 2009 at 8:18 AM, feng chen <fch6699_at_[hidden]> wrote:

> hi all,
>
> First of all,i'm new to openmpi. So i don't know much about mpi setting.
> That's why i'm following manual and FAQ suggestions from the beginning.
> Everything went well untile i try to run a pllication on a remote node by
> using 'mpirun -np' command. It just hanging there without doing anything, no
> error messanges, no
> complaining or whatsoever. What confused me is that i can run application
> over ssh with no problem, while it comes to mpirun, just stuck in there does
> nothing.
> I'm pretty sure i got everyting setup in the right way manner, including no
> password signin over ssh, environment variables for bot interactive and
> non-interactive logons.
> A sample list of commands been used list as following:
>
>
>
>
> [fch6699_at_anfield05 test]$ mpicc -o hello hello.f
> [fch6699_at_anfield05 test]$ ssh anfield04 ./hello
> 0 of 1: Hello world!
> [fch6699_at_anfield05 test]$ mpirun -host anfield05 -np 4 ./hello
> 0 of 4: Hello world!
> 2 of 4: Hello world!
> 3 of 4: Hello world!
> 1 of 4: Hello world!
> [fch6699_at_anfield05 test]$ mpirun -host anfield04 -np 4 ./hello
> just hanging there for years!!!
> need help to fix this !!
> if u try it in another way
> [fch6699_at_anfield05 test]$ mpirun -hostfile my_hostfile -np 4 ./hell
> still nothing happened, no warnnings, no complains, no error messages.. !!
>
> All other files related to this issue can be found in my_files.tar.gz in
> attachment.
>
> .cshrc
> The output of the "ompi_info --all" command.
> my_hostfile
> hello.c
> output of iptables
>
> The only thing i've noticed is that the port of our ssh has been changed
> from 22 to other number for security issues.
> Don't know will that have anything to with it or not.
>
>
> Any help will be highly appreciated!!
>
> thanks in advance!
>
> Kevin
>
>
>
>
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