Make a Proxmox Cluster and Delete a Proxmox Cluster
We make a proxmox cluster, transfer all the VM's and containers, and finally delete that cluster.
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Remove Node from cluster
turn off node you want to remove
pvecm nodes
pvecm delnode (name of the node)
reboot
DELETE CLUSTER
pvecm expected 1
Stop the running cluster
systemctl stop pve-cluster
Force the nodes to run in local mode
pmxcfs -l
Delete all the cluster configuration files
rm -f /etc/pve/cluster.conf /etc/pve/corosync.conf
rm -f /etc/cluster/cluster.conf /etc/corosync/corosync.conf
rm /var/lib/pve-cluster/.pmxcfs.lockfile
Stop cluster from running
systemctl stop pve-cluster
Reboot and cluster should be gone
rm /etc/corosync/authkey
https://pve.proxmox.com/wiki/Cluster_...
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