One disadvantage of k3s, is that it does not have HA control plane out of box (specifically, users are expected to bring their own HA database solution[1]). Wit

One disadvantage of k3s, is that it does not have HA control plane out of box (specifically, users are expected to bring their own HA database solution[1]). Without that, losing the single point of failure control plane node is going to give you a very bad day. I use kubespray[2] to manage my raspberry pi based k8s homelab, and replacing any nodes, including HA control plane nodes, is as easy as swapping the board and executing an ansible playbook. The downsides of this, are that it requires the users to have more knowledge about operating k8s, and a single ansible playbook run takes 30-40 minutes... 1. https://rancher.com/docs/k3s/latest/en/installation/ha/ https://rancher.com/docs/k3s/latest/en/installation/ha/ 2. https://github.com/kubernetes-sigs/kubespray https://github.com/kubernetes-sigs/kubespray