High Availability
Proxmox Documentation: High Availability
Below are relevant excerpts from the above source materials for quick access to necessary commands for various tasks. Please consult the source material for more documentation related to the concepts and commands referenced there.
Error Recovery
ha-manager set vm:100 --state disabled
Node Maintenance
Maintenance Mode
ha-manager status
ha-manager crm-command node-maintenance enable [NODENAME]
ha-manager crm-command node-maintenance disable [NODENAME]