Hi All,
We're currently in the process of setting up SLURM on a RHEL 8.9 based
cluster. Here's a summary of the steps we've taken so far:
Installed MLNX OFED ConnectX-5.2.
Compiled and installed PMiX and UCX.
Compiled and installed Slurm with PMiX_v4 and UCX support.
Compiled OpenMPI with SLURM, PMIx, libevent, and hwloc support.
All compute nodes are reachable via the IB network.
*Problem:* While hello world MPI jobs are working fine on multiple nodes,
the jobs are not utilizing Infiniband.
srun --mpi=pmix -N2 -n2 --ntasks-per-node=2 ./hello > log.out 2>&1
Output from srun --mpi=list:
MPI plugin types are...
none
cray_shasta
pmi2
pmix
specific pmix plugin versions available: pmix_v4
Could someone please point me in the right direction on how to troubleshoot
this issue?
Thank you for your assistance.
Sudhakar
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