How To Install mdadm on CentOS 7
Introduction
In this tutorial we learn how to install mdadm on CentOS 7.
What is mdadm
The mdadm program is used to create, manage, and monitor Linux MD (software RAID) devices. As such, it provides similar functionality to the raidtools package. However, mdadm is a single program, and it can perform almost all functions without a configuration file, though a configuration file can be used to help with some common tasks.
We can use yum or dnf to install mdadm on CentOS 7. In this tutorial we discuss both methods but you only need to choose one of method to install mdadm.
Install mdadm on CentOS 7 Using yum
Update yum database with yum using the following command.
sudo yum makecache
After updating yum database, We can install mdadm using yum by running the following command:
sudo yum -y install mdadm
Install mdadm on CentOS 7 Using dnf
If you don’t have dnf installed you can install DNF on CentOS 7 first.
Update yum database with dnf using the following command.
sudo dnf makecache
After updating yum database, We can install mdadm using dnf by running the following command:
sudo dnf -y install mdadm
How To Uninstall mdadm on CentOS 7
To uninstall only the mdadm package we can use the following command:
sudo dnf remove mdadm
References
Summary
In this tutorial we learn how to install mdadm on CentOS 7 using yum and dnf.
