NVME over TCP adapter controller is not mapping the namepaces.

Products

• VMware vSphere ESXi

Issue/Introduction

• Shared NVMe over TCP is presented to several ESXi.
• A number of ESXi hosts discover the namespaces successfully. However, a few ESXi hosts do not discover the right number of namespaces or do not discover any namespaces.

Environment

VMware ESXi 7.0.x

VMware ESXi 8.0.x

Cause

ESXi maximum limitation or Storage Array maximum limitation.

Resolution

Maximum Limitations must be validated from ESXi side, based on the version of ESXi, and also from the Storage Array side.

 

For vSphere Maximum Limitations regarding NVMe over TCP, please check the ESX Host Maximums on:

• vSphere 7.0 Configuration Limits
• vSphere 8.0 Configuration Limits

 

For the Maximum Limitations of the Storage Array, please engage your storage vendor.