I assume your cluster nodes are all set up; power, network and other cables are connected; the operating system is installed; and disks are partitioned the way you want them. Before you can start with the installation and configuration of the cluster stack software, you must carefully follow these steps:
/etc/sysconfig/network-scripts/ifcfg-ethXfiles. You must also disable the Network Manager network interface control. In the following screenshot, you can see the network interface configuration for the node-1 cluster node:
NM_CONTROLLED line to ...