Sub NUMA Activated NSX Alarm

Products

• VMware NSX

Issue/Introduction

Alarm Title: Edge Transport Node detected Sub-NUMA Clustering activated
Event ID: edge_health.sub_numa_activated
Alarm Description

• Purpose: Detect and report when Sub-NUMA Clustering is activated on a Bare Metal Edge.
• Impact: Sub-NUMA Clustering is not supported on the Bare Metal Edge and may lead to data path failing to start due to insufficient memory per NUMA node.

Version introduced on: NSX 4.2.0

Environment

VMware NSX

Cause

Sub NUMA Clustering is not supported on Bare Metal Edge

Resolution

Recommended Action:

• Deactivate Sub NUMA Clustering in the BIOS Settings.
• The Bare Metal Edge must be power cycled to access the BIOS configuration to deactivate Sub-NUMA Clustering. The Edge should be put into Maintenance Mode before reboot.

The above screenshot shows an example of how to disable Sub-NUMA Clustering on a Dell EMC R640 server by accessing the 'Processor Settings' sub-section of the BIOS.

For other types of servers please consult the documentation for your specific server make and model.

Additional Information

NSX Installation Guide: Install NSX Edge on Bare Metal
Enabling sub-NUMA clustering on a Bare Metal Edge may result in a shortage of heap memory.