Determine NSX Manager CPU and Memory reservations from the CLI

Products

• VMware NSX
• VMware NSX-T Data Center

Issue/Introduction

• NSX appliances should be configured with the required amount of CPU and Memory. The insufficient resource allocation and reservation may lead to issues. There is a known issue where CPU or memory reservation of NSX appliances are different than specified in OVA. 

Environment

• VMware NSX-T 3.1.x
• VMware NSX-T 4.x

Cause

• There is a known issue where CPU and/or memory reservations of NSX Managers differ from that specified in the OVA.
• While troubleshooting NSX issues, it may need to retrieve NSX manager appliance CPU and/or Memory reservation settings from vSphere environment.
  The unavailability of vCenter/ESXi access for NSX administration could make it challenging to confirm these CPU and memory reservation settings.

Resolution

These commands requires 'root' login to NSX manager appliance

• Retrieve CPU reservations:
  #vmware-toolbox-cmd stat cpures
  
  
• Retrieve Memory reservations:
  #vmware-toolbox-cmd stat memres

These commands should run on all manager nodes in the cluster.

Additional Information

• For more information about the known issue, Please refer the below article:-
  CPU or Memory reservation are different from that specified in OVA when NSX-T Manager Unified Appliance is deployed through vSphere Web Client