Open MPI logo

Open MPI User's Mailing List Archives

  |   Home   |   Support   |   FAQ   |  

This web mail archive is frozen.

This page is part of a frozen web archive of this mailing list.

You can still navigate around this archive, but know that no new mails have been added to it since July of 2016.

Click here to be taken to the new web archives of this list; it includes all the mails that are in this frozen archive plus all new mails that have been sent to the list since it was migrated to the new archives.

Subject: Re: [OMPI users] Fwd: problem for multiple clusters using mpirun
From: Jeff Squyres (jsquyres) (jsquyres_at_[hidden])
Date: 2014-03-21 10:13:54

On Mar 21, 2014, at 10:09 AM, Hamid Saeed <e.hamidsaeed_at_[hidden]> wrote:

> > I think i have a tcp connection. As for as i know my cluster is not configured for Infiniband (IB).


> > but even for tcp connections.
> >
> > mpirun -n 2 -host master,node001 --mca btl tcp,sm,self ./helloworldmpi
> > mpirun -n 2 -host master,node001 ./helloworldmpi
> >
> > These line are not working they output
> > Error like
> > [btl_tcp_endpoint.c:655:mca_btl_tcp_endpoint_complete_connect] connect() to failed: Connection refused (111)

What are the IP addresses reported by connect()? (i.e., the address you X'ed out)

Send the output from ifconfig on each of your servers. Note that some Linux distributions do not put ifconfig in the default PATH of normal users; look for it in/sbin/ifconfig or /usr/sbin/ifconfig.

Jeff Squyres
For corporate legal information go to: