How To Install mdadm on Debian 9
Introduction
In this tutorial we learn how to install mdadm on Debian 9.
What is mdadm
mdadm is:
The mdadm utility can be used to create, manage, and monitor MD (multi-disk) arrays for software RAID or multipath I/O.
This package automatically configures mdadm to assemble arrays during the system startup process. If not needed, this functionality can be disabled.
There are three methods to install mdadm on Debian 9. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.
Install mdadm Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install mdadm using apt-get by running the following command:
sudo apt-get -y install mdadm
Install mdadm Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install mdadm using apt by running the following command:
sudo apt -y install mdadm
Install mdadm Using aptitude
If you want to follow this method, you might need to install aptitude first since aptitude is usually not installed by default on Debian. Update apt database with aptitude using the following command.
sudo aptitude update
After updating apt database, We can install mdadm using aptitude by running the following command:
sudo aptitude -y install mdadm
How To Uninstall mdadm on Debian 9
To uninstall only the mdadm package we can use the following command:
sudo apt-get remove mdadm
Uninstall mdadm And Its Dependencies
To uninstall mdadm and its dependencies that are no longer needed by Debian 9, we can use the command below:
sudo apt-get -y autoremove mdadm
Remove mdadm Configurations and Data
To remove mdadm configuration and data from Debian 9 we can use the following command:
sudo apt-get -y purge mdadm
Remove mdadm configuration, data, and all of its dependencies
We can use the following command to remove mdadm configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge mdadm
Dependencies
mdadm have the following dependencies:
References
Summary
In this tutorial we learn how to install mdadm package on Debian 9 using different package management tools: apt, apt-get and aptitude.