Re: [OMPI users] Relocating an Open MPI installation using OPAL_PREFIX

2008-12-22 Thread Ethan Mallove
Can anyone get OPAL_PREFIX to work on Linux? A simple test is to see if the following works for any mpicc/mpirun: $ mv /tmp/foo $ set OPAL_PREFIX /tmp/foo $ mpicc ... $ mpirun ... If you are able to get the above to run successfully, I'm interested in your config.log file. Thanks, Ethan

[OMPI users] OpenMPI 1.3RC2 job startup issue

2008-12-22 Thread Ray Muno
We have been happily running under OpenMPI 1.2 on our cluster unitil recently. It is 2200 processors (8 way Opteron) , Qlogic IB connected. We have had issues starting larger jobs (600+ processors). There seemed to be some indication that OpenMPI may solve our problems. It built with no pro

Re: [OMPI users] OpenMPI 1.3RC2 job startup issue

2008-12-22 Thread Ralph Castain
Your backend nodes are mistakenly picking up the OMPI 1.2 orted binary instead of the 1.3 orted. The two are not compatible. Check your LD_LIBRARY_PATH and PATH on the backend nodes and ensure they are pointing at the 1.3 installation. There are other ways as well of pointing to the correct