*** After Install: 2 datacenters, 2 nodes each. Masters replicating to each other -bash-4.2# docker exec dcA-maxscale maxadmin list servers ; docker exec dcB-maxscale maxadmin list servers Servers. -------------------+-----------------+-------+-------------+-------------------- Server | Address | Port | Connections | Status -------------------+-----------------+-------+-------------+-------------------- dca-mariadb-1 | 172.17.0.4 | 3306 | 0 | Slave, Running dca-mariadb-0 | 172.17.0.3 | 3306 | 0 | Master, Slave of External Server, Running -------------------+-----------------+-------+-------------+-------------------- Servers. -------------------+-----------------+-------+-------------+-------------------- Server | Address | Port | Connections | Status -------------------+-----------------+-------+-------------+-------------------- dcb-mariadb-1 | 172.17.0.7 | 3306 | 0 | Slave, Running dcb-mariadb-0 | 172.17.0.6 | 3306 | 0 | Master, Slave of External Server, Running -------------------+-----------------+-------+-------------+-------------------- *** @ 1/31/2019 16:22:30: Take down dca-mariadb-0 node: -bash-4.2# docker exec dcA-maxscale maxadmin list servers ; docker exec dcB-maxscale maxadmin list servers Servers. -------------------+-----------------+-------+-------------+-------------------- Server | Address | Port | Connections | Status -------------------+-----------------+-------+-------------+-------------------- dca-mariadb-1 | 172.17.0.4 | 3306 | 0 | Slave, Running dca-mariadb-0 | 172.17.0.3 | 3306 | 0 | Down -------------------+-----------------+-------+-------------+-------------------- Servers. -------------------+-----------------+-------+-------------+-------------------- Server | Address | Port | Connections | Status -------------------+-----------------+-------+-------------+-------------------- dcb-mariadb-1 | 172.17.0.7 | 3306 | 0 | Slave, Running dcb-mariadb-0 | 172.17.0.6 | 3306 | 0 | Master, Slave of External Server, Running -------------------+-----------------+-------+-------------+--------------------