====== High Availability ======

Needs minimum 3 nodes. Problem with one node has to be confirmed by 2 other nodes (to have quorum).

===== cheap 3rd node =====

It is possible to add any 3rd cheap node to provide a "Quorum Device" (QDevice) for other nodes (i.e. raspberry PI based).
[[https://pve.proxmox.com/wiki/Raspberry_Pi_as_third_node|Raspberry Pi as third nodeRaspberry Pi as third node]]