High-Availability cluster aka Failover-cluster (active-passive cluster) is one of the most widely used cluster types in the production environment. This type of cluster provides you the continued availability of services even one of the cluster nodes fails. If the server running application has failed for some reason (hardware failure), cluster software (pacemaker) will restart the … Continue reading How To Configure High-Availability Cluster on CentOS 7 / RHEL 7