vSAN Skyline Health - Network(RDMA NIC: RoCE v2) is vSAN certified

Products

• VMware vSAN

Issue/Introduction

This article introduces the new vSAN Skyline Health check 'Network(RDMA NIC: RoCE v2) is vSAN certified' in vSAN 8.0U3 and provides details on why it might report the error and how to fix the error state.

Environment

vSAN 8.0U3

Resolution

Q: What does the 'Network(RDMA NIC: RoCE v2) is vSAN certified' check do? 

This health check checks whether the RDMA NICs used in the vSAN cluster are certified and the current vSAN configuration is also certified for the RDMA NICs by the VMware Compatibility Guide (VCG).

Note: This check is only applicable when RDMA is enabled on the vSAN cluster.

Q: What does it mean when it is in a warning state?

It means that the RDMA NIC is not certified or the current vSAN configuration is not certified for the RDMA NIC by the VMware Compatibility Guide (VCG).

Q: How does one troubleshoot and fix the warning state?

1. Update the latest vSAN HCL DB from the "vSAN HCL DB up-to-date" health to get the latest certification info for the RDMA NIC.
2. If the RDMA NIC is not certified by VMware Compatibility Guide (VCG), you can replace the RDMA NIC device with another RDMA NIC device certified by the VMware Compatibility Guide (VCG).
3. If the RDMA NIC is certified by VMware Compatibility Guide (VCG), but the current vSAN configuration is not certified for the RDMA NIC, you can consider to change the vSAN configuration if you still want to use the RDMA NIC.