Chapter 3. Cluster Stack Software on CentOS 6
If you've decided to install cluster stack software on CentOS version 6, you will be installing and configuring Corosync with the CMAN cluster messaging layer and the RGManager cluster resource manager. Corosync with the CMAN cluster messaging layer and the RGManager cluster resource manager cluster stack software are part of the official Red Hat Enterprise Linux version 6 cluster suite; due to CentOS's close relationship with RHEL, using RGManager on CentOS version 6 is the way to go.
With the release of Red Hat Enterprise Linux version 7, the official Red Hat cluster suite changed. The Red Hat 7 cluster suite includes Corosync as the cluster messaging layer software and Pacemaker as the cluster resource management layer software. If your preferred choice is CentOS version 7 and the Pacemaker cluster resource manager, jump to Chapter 9, Cluster Stack Software on CentOS 7. That chapter (and the chapters that follow it) covers...