How To Install device-mapper-multipath on CentOS 8
Introduction
In this tutorial we learn how to install device-mapper-multipath on CentOS 8.
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 8. 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 8 Using dnf
Update yum database with dnf using the following command.
sudo dnf makecache --refresh
The output should look something like this:
CentOS Linux 8 - AppStream 43 kB/s | 4.3 kB 00:00
CentOS Linux 8 - BaseOS 65 kB/s | 3.9 kB 00:00
CentOS Linux 8 - ContinuousRelease 43 kB/s | 3.0 kB 00:00
CentOS Linux 8 - Extras 23 kB/s | 1.5 kB 00:00
CentOS Linux 8 - FastTrack 40 kB/s | 3.0 kB 00:00
CentOS Linux 8 - HighAvailability 36 kB/s | 3.9 kB 00:00
CentOS Linux 8 - Plus 24 kB/s | 1.5 kB 00:00
CentOS Linux 8 - PowerTools 50 kB/s | 4.3 kB 00:00
Extra Packages for Enterprise Linux Modular 8 - x86_64 13 kB/s | 9.2 kB 00:00
Extra Packages for Enterprise Linux 8 - x86_64 24 kB/s | 8.5 kB 00:00
Metadata cache created.
After updating yum database, We can install device-mapper-multipath using dnf by running the following command:
sudo dnf -y install device-mapper-multipath
Install device-mapper-multipath on CentOS 8 Using yum
Update yum database with yum using the following command.
sudo yum makecache --refresh
The output should look something like this:
CentOS Linux 8 - AppStream 43 kB/s | 4.3 kB 00:00
CentOS Linux 8 - BaseOS 65 kB/s | 3.9 kB 00:00
CentOS Linux 8 - ContinuousRelease 43 kB/s | 3.0 kB 00:00
CentOS Linux 8 - Extras 23 kB/s | 1.5 kB 00:00
CentOS Linux 8 - FastTrack 40 kB/s | 3.0 kB 00:00
CentOS Linux 8 - HighAvailability 36 kB/s | 3.9 kB 00:00
CentOS Linux 8 - Plus 24 kB/s | 1.5 kB 00:00
CentOS Linux 8 - PowerTools 50 kB/s | 4.3 kB 00:00
Extra Packages for Enterprise Linux Modular 8 - x86_64 13 kB/s | 9.2 kB 00:00
Extra Packages for Enterprise Linux 8 - x86_64 24 kB/s | 8.5 kB 00:00
Metadata cache created.
After updating yum database, We can install device-mapper-multipath using yum by running the following command:
sudo yum -y install device-mapper-multipath
How To Uninstall device-mapper-multipath on CentOS 8
To uninstall only the device-mapper-multipath package we can use the following command:
sudo dnf remove device-mapper-multipath
device-mapper-multipath Package Contents on CentOS 8
/etc/multipath
/usr/lib/.build-id
/usr/lib/.build-id/98
/usr/lib/.build-id/98/dbe6578dc78bdca02567c76973ca89bd5c9e62
/usr/lib/.build-id/ac
/usr/lib/.build-id/ac/34b93ffab102de751521252fe9ea394d5c3455
/usr/lib/.build-id/f7
/usr/lib/.build-id/f7/d8766c00b3e8f36d6a4cafb3e6920ca0d6080e
/usr/lib/systemd/system/multipathd.service
/usr/lib/systemd/system/multipathd.socket
/usr/lib/udev/rules.d/11-dm-mpath.rules
/usr/lib/udev/rules.d/62-multipath.rules
/usr/sbin/mpathconf
/usr/sbin/mpathpersist
/usr/sbin/multipath
/usr/sbin/multipathd
/usr/share/doc/device-mapper-multipath
/usr/share/doc/device-mapper-multipath/README
/usr/share/doc/device-mapper-multipath/README.alua
/usr/share/doc/device-mapper-multipath/multipath.conf
/usr/share/licenses/device-mapper-multipath
/usr/share/licenses/device-mapper-multipath/GPL-2.0
/usr/share/licenses/device-mapper-multipath/LGPL-2.0
/usr/share/man/man5/multipath.conf.5.gz
/usr/share/man/man8/mpathconf.8.gz
/usr/share/man/man8/mpathpersist.8.gz
/usr/share/man/man8/multipath.8.gz
/usr/share/man/man8/multipathd.8.gz
References
Summary
In this tutorial we learn how to install device-mapper-multipath on CentOS 8 using yum and dnf.