Adding SAS RAID Drivers to CentOS 8 and Red Hat Linux During Installation

Adding SAS RAID Drivers to CentOS 8 and Red Hat Linux During Installation

CentOS 8 and Red Hat Linux 8 removed a lot of built in RAID controller and SAS drivers.  As such, you'll need to identify your SAS RAID controller card model number, and then during the installation of CentOS 8 or Red Hat, you will need to follow these instructions (modifying them for your hardware).

https://gainanov.pro/eng-blog/linux/rhel8-install-to-dell-raid/

If for some reason the link above is no longer available, I saved and archived a copy which can be read here.

Add El Repo Permanently

As updates are released to CentOS 8 / Rocky Linux / Red Hat 8, the kernel will often be upgraded.  To make sure the SAS drives are updated as well, you'll need to configure your system to pull updates from El Repo automatically by using the following commands:

sudo rpm --import https://www.elrepo.org/RPM-GPG-KEY-elrepo.org
sudo yum install https://www.elrepo.org/elrepo-release-8.el8.elrepo.noarch.rpm
sudo yum update -y

In case the above instructions no longer work, this guide should help.

Disable NetworkManager Wait Online Service

Prevent the boot from being halted on startup by network connection checks by running the below command:

sudo systemctl mask NetworkManager-wait-online.service

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