Setup RAID 1 OS Disk on CentOS Stream 8

Posted Feb 25, 2024

By Febryandana 3 min read

Environment

Component	Value
Hostname	centosstream8
OS	CentOS Stream 8
Specification	2 vCPU / 4 GB RAM
Boot Disk	2 x 32 GB
IP Address	DHCP
UEFI/Secure Boot	Supported
User/Pass	centos/password123

All is done in Hyper-V virtual machine on Windows 11, any configuration setup is the same as baremetal installation with some name changes.
Using Hyper-V Generation 2 Virtual Machine to enable UEFI and Secure Boot support

Setup

Choose Install CentOS Stream 8.
We can also choose Test this media & install CentOS Stream 8 if you want to check all the disks first, but it will takes time.

1. Select Language

Choose your desired installation language:

2. Installation Summary

This is the installation summary, we can choose what we will configure first before setting up other things:

3. Keyboard Layout & Variant

Select desired keyboard layout for installation:

4. Time and Date

Click Time and Date menu
Choose timezone location, then click Done

5. Installation Source

Select Installation Source
Because we use full size DVD1 ISO file, we can use Local Media as Installation Source. Select auto detect installation source and click verify to make sure sr0 (DVD drive) is listed and can be used

6. Software Selection

Select Software Selection
Because we will use this computer as a server without GUI, select Server. If you want to install additional software, we can choose them by the right menu

7. Network and Hostname

Select Network and Hostname
Enable eth0 NIC to get IP Address from DHCP. Type our hostname in the textbox and click Apply to apply hostname

8. User Settings

Select menu on User Settings to configure Root password and create a user

8.1. Root Password

Type the password and password confirmation, then click Done twice to confirm it

8.2. Create User

Fill in information about user:

Full name: centos
User name: centos
Check make this user administrator to add sudo access
Check Require a password to use this account
Password and password confirmation

Click Done twice to confirm user creation

9. Installation Destination

Now we will configure our disks setup for OS boot drive. Select Installation Destination

9.1. Device Selection

Check both disk to select them as installation destination
Set Storage configuration to custom so we can customize our system partition
Click Done to go to Manual Partitioning menu

Select Standard Partition as our disk scheme and click Plus (+) icon to add new partition

9.3. EFI Partition

Add new mount point. Mount point: /boot/efi, Desired Capacity: 1G
Set Device Type: RAID and RAID Level: 1. Make sure File System is EFI System Partition with correct Mount Point and Desired Capacity

9.4. Boot Partition

Add new mount point. Mount point: /boot, Desired Capacity: 2G
Set Device Type: RAID and RAID Level: 1. Make sure File System is xfs with correct Mount Point and Desired Capacity

9.5. System Partition

Add new mount point. Mount point: /, Desired Capacity: blank (use max available)
Set Device Type: RAID and RAID Level: 1. Make sure File System is xfs with correct Mount Point and Desired Capacity

Click Done after finishing setup disk partitioning. You may need to click it twice. Then accept changes

CAUTION: All disk used here will be formatted when installation begin, so make sure you don’t have any important data in it

10. Begin Installation

After we click begin installation, all process can’t reverted. Make sure to double checking everything
Installation Progress
After installation is finished, click Reboot