Haproxy

FromDual has the pleasure to announce the release of the new version 0.9.3 of its popular FromDual Ops Center focmm, a Graphical User Interface (GUI) for MariaDB and MySQL.

The FromDual Ops Center for MariaDB and MySQL (focmm) helps DBA’s and System Administrators to better manage their MariaDB and MySQL database farms. Ops Center makes DBA and Admins life easier!

The main task of Ops Center is to support you in your daily MySQL and MariaDB operation tasks. More information about FromDual Ops Center …

After properly installing and testing a Galera Cluster we see that the set-up is not finished yet. It needs something in front of the Galera Cluster that balances the load over all nodes.
So we install a load balancer in front of the Galera Cluster. Typically nowadays HAProxy is chosen for this purpose. But then we find, that the whole Galera Cluster is still not high available in case the load balancer fails or dies. So we need a second load balancer for high availability.
But how should we properly …