How To Install device-mapper-multipath on CentOS 7
Introduction
In this tutorial we learn how to install device-mapper-multipath on CentOS 7.
What is device-mapper-multipath
device-mapper-multipath provides tools to manage multipath devices by instructing the device-mapper multipath kernel module what to do. The tools are * multipath - Scan the system for multipath devices and assemble them. * multipathd - Detects when paths fail and execs multipath to update things.
We can use yum or dnf to install device-mapper-multipath on CentOS 7. In this tutorial we discuss both methods but you only need to choose one of method to install device-mapper-multipath.
Install device-mapper-multipath on CentOS 7 Using yum
Update yum database with yum using the following command.
sudo yum makecache
After updating yum database, We can install device-mapper-multipath using yum by running the following command:
sudo yum -y install device-mapper-multipath
Install device-mapper-multipath 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 device-mapper-multipath using dnf by running the following command:
sudo dnf -y install device-mapper-multipath
How To Uninstall device-mapper-multipath on CentOS 7
To uninstall only the device-mapper-multipath package we can use the following command:
sudo dnf remove device-mapper-multipath
References
Summary
In this tutorial we learn how to install device-mapper-multipath on CentOS 7 using yum and dnf.