Newly created LUNs not showing up on ESXi hosts

Products

• VMware vSphere ESX 8.x

Issue/Introduction

Symptoms:

New LUNs created on storage and presented to ESXi hosts are not visible/accessible on hosts.

Environment

VMware ESXi 7.x

VMware ESXi 8.x

Cause

The issue is seen when LUN ID (Also referred as SCSI ID / Host LUN ID from storage terms) is observed different for each ESXi host, though the respective LUN is presented to all hosts from storage.

Resolution

Fix and make sure the LUN ID is same for the device while presenting to hosts is same from storage during presentation.

When the LUN ID is uniform across the hosts, it is expected to keep the communication and presentation in sync.