Mastering Proxmox - Third Edition

HA in Proxmox

To set up functional HA in Proxmox, it is important to have all the virtual machines on shared storage. It is crucial to understand that Proxmox HA only handles Proxmox nodes and virtual machines within the Proxmox cluster. These HA features are not to be confused with shared storage redundancy, which Proxmox can utilize for its HA deployment. High availability in shared storage is just as important as Proxmox VMs' HA. A third-party shared storage can provide its own HA features. So both the Proxmox cluster and shared storage will need to be configured to provide a truly highly available environment. It is beyond the scope of this book to go into the details of high-availability storage.

There can be levels of redundancy in ...