Hostname & FQDN #
Make sure the hostname and fqdn are properly set. If this is not set properly this might result in performance degradation or ghost services; for example Ceph Monitor, Manager and Metadata Servers.
$ hostname
pve0
$ hostname -f
pve0.siempie.local
$ hostname -d
siempie.local
Maintenance mode #
sudo ha-manager crm-command node-maintenance enable pve0
sudo ha-manager crm-command node-maintenance disable pve0
Show running VMs #
sudo qm list