UFM for InfiniBand fabric

UFM (NVIDIA Unified Fabric Manager) manages InfiniBand fabrics:

Subnet manager (SM) functionality
Fabric health monitoring and congestion control
Performance analysis

UFM HA (High Availability):

Primary/standby setup with SSH trust between nodes
Split-brain recovery uses fencing to ensure only one primary is active
CIDR separation documents specific recovery steps

Upgrading UFM: Always stop services → upgrade package → restart. Follow the version-specific upgrade path from NVIDIA docs.

Troubleshooting Fabric Manager and NVLink Next module: BCM troubleshooting

Quiz

A few quick questions based on this unit. Mark it complete when you are done.

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What is Split?

topic score report. Both sections are scored together.Provisioned and managed by BCMruntime=dockerbrain recovery uses fencing to ensure only one primary is active