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Chapter 2. Installing RHEL 9 for SAP Solutions

Before installing RHEL 9 for SAP Solutions, verify that the system fulfills the requirements of the SAP software, e.g., regarding the RAM size, the swap space, and the storage. For RHEL 9 systems running the SAP HANA database, you must use a RHEL 9 minor release for which the E4S repos are available and which is supported by SAP. For RHEL 9 systems running the SAP ABAP Platform, you can use any RHEL 9 minor release.

You can install RHEL 9 in interactive mode or you can perform an unattended installation using Kickstart. This document explains how to perform an interactive installation. Please take a look at the product documentation for Red Hat Enterprise Linux 9 for further guidance on how to install RHEL 9.

Prerequisites

You have downloaded the installation image for the desired and supported RHEL 9 minor release from the Red Hat Customer Portal (Red Hat Enterprise Linux for x86_64 and Red Hat Enterprise Linux for Power).
You have verified that the desired hostname meets the requirements for SAP HANA database system or for SAP ABAP Platform systems.
Your server meets the hardware requirements or Infrastructure as a Service (IaaS) configurations.
For bare metal deployment, verify that your server type is mentioned in the SAP Certified and Supported SAP HANA Hardware Directory and that it matches the minimum hardware requirements in the SAP HANA Server Installation and Update Guide.
For certified IaaS Platforms, see the Certified IaaS Platforms on the SAP Certified and Supported SAP HANA Hardware Directory.

Procedure

Boot your server from the RHEL 9 installation source. For more information on how to boot your server, see Performing a standard RHEL 9 installation.
The following screen appears:
Select the language to be used during the installation process and click Continue. The following screen will appear:
Under LOCALIZATION, select the desired keyboard layout, language(s) of the installed system, and time and date.
Under SOFTWARE, click Software Selection.
- In the Software Selection window, select Server as your Base Environment and click Done.
  Note
  Do not select any additional software.
Under SYSTEM, click Installation Destination.
- In the Installation Destination window, select the storage configuration according to the requirements of the SAP software and according to your needs and click Done.
  Note
  For a test system, you can remove the default /home file system allocation and use a large root (/) file system.
Under SYSTEM, click Network & Host Name, and configure your network connection.
Under USER SETTINGS, click Root Password and/or User Creation to configure the initial user(s) for your system. In the screens which show up, click Done once you have entered the necessary user information to return to the main installation screen again.
Click Begin Installation. The following screen confirms that the installation is ongoing:

Once RHEL 9 is successfully installed, the screen will look like this:
Click Reboot System.