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Subject: Re: [OMPI users] mpirun trouble through ssh
From: Baptiste Robert (baptisterobert38_at_[hidden])
Date: 2013-03-25 06:26:48


Hi.

Thank you very much for your answer. I've disabled iptables on both
computers and then... work like a charm. But here's come my next question,
what are the ports that the daemon use ? Because I haven't set iptables,
it's by default and I don't understand why is filtered.

2013/3/25 Ralph Castain <rhc_at_[hidden]>

> Check if iptables or some other firewall is running. Configure mpirun with
> --enable-debug and then add "-mca plm_base_verbose 10" to your cmd line to
> see if the remote daemon is communicating back correctly.
>
>
> On Mar 24, 2013, at 1:50 PM, Baptiste Robert <baptisterobert38_at_[hidden]>
> wrote:
>
> Hi everybody !
>
> Here's my problem. I've installed openmpi on my two machines running on
> fedora 17. I've set the path and LD_LIBRARY_PATH correctly, mpirun and
> mpicc work on the two machines without trouble.
>
> My problem is when I try to run the helloWorld on all node through ssh
> (already configure with certificate) nothing append, I've to kill mpi to
> get the prompt back.
>
> I launched this command : mpirun -d -host myRemoteNode -n 2 hello_c
> And this give me :
>
> [baptiste_at_baptiste RE51]$ mpirun -d -hostfile hosts hello_c
> [baptiste.thinkFed:02666] procdir: /tmp/openmpi-sessions-baptiste_at_baptiste.thinkFed_0/53471/0/0
> [baptiste.thinkFed:02666] jobdir: /tmp/openmpi-sessions-baptiste_at_baptiste.thinkFed_0/53471/0
> [baptiste.thinkFed:02666] top: openmpi-sessions-baptiste_at_baptiste.thinkFed_0
> [baptiste.thinkFed:02666] tmp: /tmp
> [roommateServer:01102] procdir: /tmp/openmpi-sessions-baptiste_at_roommateServer_0/53471/0/1
> [roommateServer:01102] jobdir: /tmp/openmpi-sessions-baptiste_at_roommateServer_0/53471/0
> [roommateServer:01102] top: openmpi-sessions-baptiste_at_roommateServer_0
> [roommateServer:01102] tmp: /tmp
>
> And nothing else. But if I run the hello_c on a single machine, separately, the job is done and work well.
>
> If anyone have an idea it would be awesome.. I don't have a clue why it isn't work.
>
> Thank.
>
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