How To Install mdadm on Rocky Linux 8
Introduction
In this tutorial we learn how to install mdadm on Rocky Linux 8.
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 Rocky Linux 8. In this tutorial we discuss both methods but you only need to choose one of method to install mdadm.
Install mdadm on Rocky Linux 8 Using dnf
Update yum database with dnf using the following command.
sudo dnf makecache --refresh
After updating yum database, We can install mdadm using dnf by running the following command:
sudo dnf -y install mdadm
Install mdadm on Rocky Linux 8 Using yum
Update yum database with yum using the following command.
sudo yum makecache --refresh
After updating yum database, We can install mdadm using yum by running the following command:
sudo yum -y install mdadm
How To Uninstall mdadm on Rocky Linux 8
To uninstall only the mdadm package we can use the following command:
sudo dnf remove mdadm
mdadm Package Contents on Rocky Linux 8
/etc/cron.d/raid-check
/etc/libreport/events.d/mdadm_event.conf
/etc/sysconfig/raid-check
/usr/lib/.build-id
/usr/lib/.build-id/55
/usr/lib/.build-id/55/dc72b731f21fa2d4df691c57bf7b0ebf302fe1
/usr/lib/.build-id/87
/usr/lib/.build-id/87/9bebd518e7b9060edd5c07eddc0c5f44bfe5a9
/usr/lib/mdadm/mdadm_env.sh
/usr/lib/systemd/system-shutdown/mdadm.shutdown
/usr/lib/systemd/system/[email protected]
/usr/lib/systemd/system/[email protected]
/usr/lib/systemd/system/[email protected]
/usr/lib/systemd/system/mdcheck_continue.service
/usr/lib/systemd/system/mdcheck_continue.timer
/usr/lib/systemd/system/mdcheck_start.service
/usr/lib/systemd/system/mdcheck_start.timer
/usr/lib/systemd/system/[email protected]
/usr/lib/systemd/system/mdmonitor-oneshot.service
/usr/lib/systemd/system/mdmonitor-oneshot.timer
/usr/lib/systemd/system/mdmonitor.service
/usr/lib/tmpfiles.d/mdadm.conf
/usr/lib/udev/rules.d/01-md-raid-creating.rules
/usr/lib/udev/rules.d/63-md-raid-arrays.rules
/usr/lib/udev/rules.d/64-md-raid-assembly.rules
/usr/lib/udev/rules.d/65-md-incremental.rules
/usr/lib/udev/rules.d/69-md-clustered-confirm-device.rules
/usr/sbin/mdadm
/usr/sbin/mdmon
/usr/sbin/raid-check
/usr/share/doc/mdadm
/usr/share/doc/mdadm/COPYING
/usr/share/doc/mdadm/ChangeLog
/usr/share/doc/mdadm/TODO
/usr/share/doc/mdadm/mdadm.conf-example
/usr/share/doc/mdadm/mdcheck
/usr/share/doc/mdadm/mdcheck.0077
/usr/share/doc/mdadm/syslog-events
/usr/share/man/man4/md.4.gz
/usr/share/man/man5/mdadm.conf.5.gz
/usr/share/man/man8/mdadm.8.gz
/usr/share/man/man8/mdmon.8.gz
/usr/share/mdadm/mdcheck
/var/run/mdadm
References
Summary
In this tutorial we learn how to install mdadm on Rocky Linux 8 using yum and dnf.