Preparing for a cluster installation

Preparing a server with the mandatory requirements of software and hardware is the key factor for any successful cluster installation. Therefore, in the following sections, we are going to explain in detail, the essential recommendations that are needed when building a server; such as hardware, software, network, storage, software groups, and users. Before you begin the actual installation process, ensure that you have prepared the servers with all the mandatory requirements that are going to be part of the cluster installation.

Server (node) requirements

During the course of the server preparations, you must ensure that each server that is going to be associated with a cluster meets the following minimum hardware-level resources and space requirements:

• A minimum of 2 GB RAM is required for the complete Grid Infrastructure and RAC software installation.

• A minimum of 1 GB free space is required in the /tmp directory.

• A minimum of 10 GB free space for the entire...