root@dbo4:/ # rmg_status 
node status:
Node "dbo4":
	PostgreSQL version: 12.9
	Total data size: 94 GB
	Conninfo: host=dbo4.lrau.net dbname=repmgr user=pgsql sslmode=verify-full connect_timeout=10
	Role: primary
	WAL archiving: off
	Archive command: (none)
	Replication connections: 0 (of maximal 10)
	Replication slots: 0 physical (of maximal 10; 0 missing)
	Replication lag: n/a

node check:
Node "dbo4":
	Server role: OK (node is primary)
	Replication lag: OK (N/A - node is primary)
	WAL archiving: OK (0 pending archive ready files)
	Upstream connection: OK (N/A - node is primary)
	Downstream servers: OK (this node has no downstream nodes)
	Replication slots: OK (node has no physical replication slots)
	Missing physical replication slots: OK (node has no missing physical replication slots)
	Configured data directory: OK (configured "data_directory" is "/db/dbo/12/data")
cluster event:
 Node ID | Name | Event                      | OK | Timestamp           | Details                                                                             
---------+------+----------------------------+----+---------------------+--------------------------------------------------------------------------------------
 4       | dbo4 | repmgrd_start              | t  | 2022-02-06 04:10:55 | monitoring cluster primary "dbo4" (ID: 4)                                           
 4       | dbo4 | repmgrd_reload             | t  | 2022-02-05 11:00:30 | monitoring cluster primary "dbo4" (ID: 4)                                           
 4       | dbo4 | repmgrd_failover_promote   | t  | 2022-02-05 11:00:30 | node "dbo4" (ID: 4) promoted to primary; old primary "dbo5" (ID: 5) marked as failed
 4       | dbo4 | standby_promote            | t  | 2022-02-05 11:00:30 | server "dbo4" (ID: 4) was successfully promoted to primary                          
 5       | dbo5 | child_node_reconnect       | t  | 2022-02-05 10:49:11 | standby node "dbo3" (ID: 3) has reconnected after 118 seconds                       
 5       | dbo5 | child_node_disconnect      | t  | 2022-02-05 10:47:12 | standby node "dbo3" (ID: 3) has disconnected                                        
 3       | dbo3 | repmgrd_shutdown           | t  | 2022-02-05 10:47:09 | TERM signal received