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CentOS High Availability by Mitja Resman

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Cluster operating system preparation

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:

  1. Network configuration: You must configure a static IP address for all available network interfaces on all cluster nodes. You can do this by editing the /etc/sysconfig/network-scripts/ifcfg-ethX files. 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:

    Note

    Change the NM_CONTROLLED line to ...

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