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Subject: Re: [OMPI users] Installation problems
From: Ashika Umanga Umagiliya (aumanga_at_[hidden])
Date: 2009-07-27 23:24:41

I had a same problem like this.
I am using Debian on my nodes, the problem was with non-interactive
shell invocations,
I added "export LD_LIBRARY_PATH=/usr/local/openMPI/lib" at the top of
the ~/.bashrc files in all nodes then it worked.

jacob Balthazor wrote:
> Hey,
> Please help me out as I cannot figure out from all the online
> documentation why my cluster wont work.
> 1) I started with two computers with a fresh install of Fedora 10.
> 2) Created two user accounts on the two computers with the same user name.
> 3) Created an rsa keyed ssh between the two computers going both
> directions, so that each computer can log into one another without
> being prompted for a password.
> 4) Installed openmpi on both via yum with the command "yum install
> openmpi openmpi-devel openmpi-libs".
> 5) Compiled and ran hello.c with a host file containing the IP
> addresses of both computers with slot numbers. But openmpi only hangs
> for minutes, until I kill it.
> I am able to run hello.c locally and even with a hostfile
> containing only the local machines address, but am not able to started
> a multi node program from either computer. Have I done all the correct
> steps, am I missing something?
> - Jacob B.
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