vCenter High Availablity - 01
How To

How to recover from isolated vCenter HA nodes

During some vCenter HA testing for a customer, I ended up in a situation where all nodes in the vCenter HA cluster could not communicate with each other. This means that all three nodes: Active, Passive, and Witness could not communicate with each other. This is more than a single point of failure and when this happens, the vCenter HA cluster is assumed non-functional and availability is impacted because vCenter HA is not designed for multiple […]

vCenter High Availablity - 01
How To

Fix – Verify if management interface (NIC0) is configured correctly and is reachable

When configuring the vCenter Server HA in my previous post, I encountered the following error when trying to deploy vCenter HA cluster. Failed to get management network information. Verify if management interface (NIC0) is configured correctly and is reachable. After some digging on the VMware knowledge base and checking the VMTN community forum, I’ve found a fix. The issue occurs when there is a misconfiguration of the vCenter Server Appliance name in the systemname_info.json file. […]