repmgr primary unregister repmgr primary unregister repmgr primary unregister unregister an inactive primary node repmgr primary unregister unregisters an inactive primary node from the &repmgr; metadata. This is typically when the primary has failed and is being removed from the cluster after a new primary has been promoted. repmgr primary unregister can be run on any active &repmgr; node, with the ID of the node to unregister passed as --node-id. Execute with the --dry-run option to check what would happen without actually unregistering the node. repmgr master unregister can be used as an alias for repmgr primary unregister. --dry-run Check prerequisites but don't actually unregister the primary. --node-id ID of the inactive primary to be unregistered. A primary_unregister event notification will be generated.