Tag Archives: galera

MySQL High Availability with Galera and HAProxy

In this article, we’ll build a highly available MySQL database service. We’ll actually use MariaDB (a fork of MySQL) and build two database servers. Then we’ll use Galera to do bidirectional replication, and we’ll put the whole thing behind the HAProxy pair that we built in the last article, Redundant Load Balancers – HAProxy and… Read More »

OpenStack High Availability – Controller Stack

High availability is a must have for enterprise deployment of OpenStack. Not high availability of individual virtual machines (instances), nor high availability of individual compute nodes (hypervisor hosts). I mean high availability of the OpenStack controller stack. True, if the stack falls over, that doesn’t necessarily mean that your instances stop working (especially if you’ve… Read More »

OpenStack – List of Helpful Resources

Our Articles Commentary: OpenStack: Just the APIs Please OpenStack Newton: OpenStack Newton: Quick Install on CentOS 7 (new!) Build a Router on CentOS 7 My OpenStack Test Lab OpenStak Mitaka: OpenStack Mitaka – Scripted Installation on CentOS 7 OpenStack Juno: OpenStack Juno Scripted Install on CentOS 7 (nova-network) OpenStack Juno Scripted Install on CentOS 7 (neutron) OpenStack… Read More »