Ensure that the following requirements are met:
If you want to configure the boot drive (that is, the storage drive onto which you are installing the OS) for RAID, you must do so before you install the Linux OS. For instructions on how to configure RAID on your server, refer to Configuring Storage Drives for Operating System Installation in Oracle Server X5-2 Installation Guide.
Set the firmware to the desired boot mode, Legacy BIOS or UEFI. For instructions on how to set the boot mode, see Set the Boot Mode .
Verify that the UEFI firmware settings are set correctly. For instructions on how to verify and, if necessary, set the UEFI firmware settings, see Preparing the Boot Environment.
The console display option is selected and set up prior to performing the installation. For more information about this option, see Selecting the Console Display Option.
The boot media option is selected and set up prior to performing the installation. For more information about this option and setup instructions, see Selecting the Boot Media Option.
The installation target option is selected and set up prior to performing the installation. For more information about this option and setup instructions, see Selecting the Installation Target Option.