[slurm-users] Integrating Fabric Modules with SLURM – Best Practices for HPC Networking?

Our team is exploring ways to optimize our HPC cluster’s network performance, particularly for multi-node SLURM workloads. We’re considering Network Devices Expansion Modules Fabric Modules https://serverorbit.com/network-devices/network-expansion-modules/fabric-mod... to enhance scalability and reduce latency between compute nodes.

Has anyone successfully deployed Fabric Modules (e.g., Cisco Nexus, Arista, or Mellanox solutions) in a SLURM environment? Specifically:

Interconnect Strategies – Any tips for configuring Fabric Modules to handle SLURM’s bursty traffic patterns?

Performance Gains – Measurable improvements in job throughput or MPI communication?

Troubleshooting – Known conflicts with SLURM’s network topology detection?