In this chapter, we are going to see one of the most prominent features that make Proxmox an enterprise-class hypervisor. Proxmox VE High Availability (HA) allows the cluster to move or migrate virtual machines from a faulty node to a healthy node without any user interaction. We will take a look at the following topics:

• Understanding HA
• Requirements for HA
• Configuring Proxmox HA
• Configuring the Proxmox HA simulator