delete cluster

Hi there. So I f*ckep up my cluster by deleting the whole nodes directory insteand of a node04 subdir. I know It's recommended to have backups, it i son my plan but I already have staging VMs that I cant just delete and reinstall everything.But I could pick the /var/lib/pve-cluster/config.db...

Hi, I would like to know the correct way to delete a cluster ? I created a cluster for testing proposes, the cluster don't have any node (only itself), so now I would like to delete this cluster because the current IP address is only for test, the IP address for production environment will be...