環境 Pacemaker 1.1.20-5.el7_7.2.x86_64 Corosync 1.1.20-5.el7_7.2-3c4c782f70 Pgpool-Ⅱ 4.0.7 PostgreSQL 9.6 Corosync, Pgpool config # corosync totem { join: 5000 token: 100000 } # pgpool health_check_period = 300 health_check_max_retries = 3 health_check_retry_delay = 3 search_primary_node_timeout = 1 P…