Hello Guys, I have case of two Postgres version 11 ( replication using repmgr) and and its work fine as below: -bash-4.2$ sudo su - postgres -c " /usr/pgsql-11/bin/repmgr -f /var/lib/pgsql/repmgr/repmgr.conf cluster show" ID | Name | Role | Status | Upstream | Location | Priority | Connection string ----+-------+---------+-----------+----------+----------+----------+-------------------------------------- 1 | pgdb1 | standby | running | pgdb2 | default | 100 | host=pgdb1 user=repmgr dbname=repmgr 2 | pgdb2 | primary | * running | | default | 100 | host=pgdb2 user=repmgr dbname=repmgr
but when I installed pgpool 4.1 on third server to loadbalace the traffic ., from command line I see everything ok like below: -bash-4.2$ psql -U pgpool --dbname=postgres --host pgpool -c "show pool_nodes" node_id | hostname | port | status | lb_weight | role | select_cnt | load_balance_node | replication_delay | replication_state | replication_sync_state | last_statu s_change ---------+----------+------+--------+-----------+---------+------------+-------------------+-------------------+-------------------+------------------------+----------- ---------- 0 | pgdb1 | 5432 | up | 0.500000 | standby | 0 | false | 0 | | | 2020-02-17 11:03:31 1 | pgdb2 | 5432 | up | 0.500000 | primary | 3 | true | 0 | | | 2020-02-17 11:03:31 the problem is appears on when i installed pgpooladmin and tried to stop one node ( master os slave ) I got the below error on pgserver ( not pgpool) 2020-02-17 10:49:39.118 IST [2051] ERROR: function pgpool_pgctl(unknown, unknown) does not exist at character 8 2020-02-17 10:49:39.118 IST [2051] HINT: No function matches the given name and argument types. You might need to add explicit type casts. 2020-02-17 10:49:39.118 IST [2051] STATEMENT: SELECT pgpool_pgctl('stop', 's') what I can do please