Our customer, Oportun, has many applications that require maxscale failover. They would like this feature, found in "connector-" to be in other language and access methods. As shown in this link, https://mariadb.com/kb/en/failover-and-high-availability-with-mariadb-connector-j/ in the connection string you are able to declare multiple hosts, so if one host is unavailable a connection is made to another in the list. However, is not supported in mariadb cli, or other languages