In Chapter 5, Testing on a Proxmox Cluster, we did some tests on our Proxmox cluster. During our tests, the VMs under HA protection were not affected due to a network card or a network switch failure. Even if we manually turned off one cluster node, the VMs where HA was enabled will automatically be switched to the remaining nodes.
Building a VM from scratch is pretty easy, but what if we already have a running system in hand? In this chapter, we are going to demonstrate the processes of moving an existing system to our cluster platform. The following topics will be covered in this chapter: