Here are a list of topics with links related to this chapter that you might want to deep dive into: OpeShift HA design: http://v1.uncontained.io/playbooks/installation/ OpenShift high availability: https://docs.openshift.com/enterprise/latest/admin_guide/high_availability.html Openshift for single and multiple DCs: https://blog.openshift.com/deploying-openshift-applications-multiple-datacenters/ GlusterFS geo-replication: https://docs.gluster.org/en/latest/Administrator%20Guide/Geo%20Replication/