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Proxmox Cookbook by Wasim Ahmed

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Configuring High Availability

Proxmox High Availability (HA) enables a HA configured virtual machine to automatically restart on another node in the cluster if the physical node fails. Proxmox HA is built on long standing proven Linux HA technology. In this recipe, we are going to see how to configure HA in Proxmox to automigrate a virtual machine during a node or network failure.

Getting ready

There are three primary requirements before HA can be configured:

  • Cluster: Since the main function of HA is to auto restart a VM from a failed node to a different node, it is goes without saying that Proxmox HA can only be configured on a cluster. This is one of the minimum requirements of Proxmox HA.
  • Fencing: This the second most important requirement for ...

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