Although Proxmox HA has become far easier to configure and manage, it is still a complex topic to grasp. With the use of software-based watchdog, it is entirely possible to configure, test, and learn Proxmox HA in a virtualized environment before implementing it in a production cluster. There is also a simulator for Proxmox HA that we can use to see HA in action without setting up a cluster. The simulator allows us to see the HA configuration in action and see how the states change at different stages.
The Proxmox HA simulator is not shipped with the distribution that it needs to be manually installed. Along with the simulator package, we also need xorg and xuath because the simulator requires X11 redirection, which is also known as X11 forwarding. We can use the following commands to install the packages:
# apt-get install pve-ha-simulator # apt-get install xorg # apt-get install xauth
We can access the simulator from both the...