How To Configure a Galera Cluster with MariaDB on CentOS 7 …
https://www.digitalocean.com/community/tutorials/how-to-configure-a-galera-cluster-with-mariadb-on-centos-7-servers
WebJul 10, 2019 · In this guide, you will configure an active-active MariaDB Galera cluster. For demonstration purposes, you will configure and test three CentOS 7 Droplets that will act as nodes in the cluster. This is the smallest configurable cluster. Prerequisites. To follow along, you will need a DigitalOcean account, in addition to the following:
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