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This section describes the installation process from a general point of view. It describes the steps to install CSM on a cluster but does not provide any details. The details of the installation process are covered in Chapter 5, "Cluster installation and configuration with CSM" on page 99.
Before starting, it is important to plan the installation by sizing the nodes, defining the storage need, defining the type of networks used for the cluster VLAN, the management VLAN, user access, and the IP addresses that will be used.
Once the hardware choices have been made, the hardware needs to be prepared for use in the cluster. The system's BIOS should be modified to boot from the network as well. This is only an example of the type of preparation that must be done before the installation.
For the storage nodes or the management server, the preparation needs to include the RAID arrays definition.
It is preferable also to be sure that all nodes based on the same hardware in the cluster are at the same level of firmware and BIOS.
Next, the rack needs to be physically installed and the cabling needs to be attached, as defined in the planning stage.
As the Remote System Adapter (RSA) will be used by the cluster installation process, it has to be set up before starting the software installation.
The management server is the only machine that cannot be installed by CSM. The management server will be used to install the other cluster nodes. The Linux installation should also include the Red Hat updates packages, the MRV In-Reach Terminal Server or Equinox Serial Provider installation and configuration, and the CSM software packages.
At this point the management server is installed and configured. The nodes now need to be defined and installed. After the nodes are created in the cluster database, CSM finishes the installation for you (including the operating system and the CSM installation).
The cluster is now operational and ready to perform real work.
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