NVIDIA DGX Explained - Network Operator

Network Operator

• Scope
• Why NVIDIA Network Operator
• NVIDIA Network Operator Overview
• Key Concepts
  • Operators are Kubernetes applications
  • Operator SDK
  • CustomResourceDefinitions (CRDs)
  • Kubernetes Node Feature Discovery (NFD)
  • Secondary Network
  • SR-IOV Network Operator
• Network Operator Installation using Base Command Manager
  • Install Network Operator as part of the Kubernetes setup wizard
  • Install Network Operator separately from the Kubernetes setup wizard
  • NIC Cluster Policy
  • IP Pools
  • SR-IOV Network Node Policy
  • SR-IOV Network
  • SR/IOV Node Pool Configuration
• Validation
  • Check Subnet Manager (SM) is enabled on the InfiniBand switches
  • Check Virtualization is enabled for the Subnet Manager on the InfiniBand switches
  • Check the installed NVIDIA Network Operator version
  • Verify NVIDIA Network Operator is installed
  • Check values.yaml is properly applied by Helm
  • Verify NIC Cluster Policy is applied
  • Verify IP Pools are applied
  • Verify SR-IOV setup
  • Verify NVIDIA Network Operator is operational
  • Use NVIDIA Collective Communications Library (NCCL) to verify inter-node GPU-to-GPU performance
• Use Cases
• Common Issues and Troubleshooting Tips
  • Frequent issues
  • NIC driver problems
  • Feature not working
  • What to check first
  • Practical troubleshooting flow
• Appendix
  • nic-cluster-policy.yaml
  • combined-ippools.yaml
  • combined-sriovibnet.yaml (SR/IOV Network Node Policy + SR/IOV IB Network)
  • sriov-node-pool-config.yaml
• Reference Links

Notices

• Notices
  • Notice
  • Trademarks
  • Copyright