Mastering Proxmox - Third Edition

Virtual machine replication

Virtual machine replication is a brand new feature that has been added from the Proxmox VE 5.0 release. This is a very useful feature for a single-node Proxmox environment where VM disk images reside locally on the same computer node the VMs actually run from. With this option, VMs can be replicated to a different node in real time should the primary node go down for any number of reasons. In such a scenario, the second node with a replica of the VMs can be brought online, thus minimizing downtime significantly.

It is very important to note here that this replication will only work when the VM disk image is stored on a local ZFS storage.

The storage must be attached to a Proxmox cluster using the ZFS storage plugin, ...