How To Install drbd-pacemaker on CentOS 8

drbd-pacemaker is Pacemaker resource agent for DRBD

Introduction

In this tutorial we learn how to install drbd-pacemaker on CentOS 8.

What is drbd-pacemaker

This package contains the master/slave DRBD resource agent for the Pacemaker High Availability cluster manager.

We can use yum or dnf to install drbd-pacemaker on CentOS 8. In this tutorial we discuss both methods but you only need to choose one of method to install drbd-pacemaker.

Install drbd-pacemaker 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 drbd-pacemaker using dnf by running the following command:

sudo dnf -y install drbd-pacemaker

Install drbd-pacemaker 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 drbd-pacemaker using yum by running the following command:

sudo yum -y install drbd-pacemaker

How To Uninstall drbd-pacemaker on CentOS 8

To uninstall only the drbd-pacemaker package we can use the following command:

sudo dnf remove drbd-pacemaker

drbd-pacemaker Package Contents on CentOS 8

/usr/lib/ocf/resource.d/linbit/drbd
/usr/lib/ocf/resource.d/linbit/drbd-attr
/usr/lib/ocf/resource.d/linbit/drbd.shellfuncs.sh
/usr/share/man/man7/ocf_linbit_drbd-attr.7.gz
/usr/share/man/man7/ocf_linbit_drbd.7.gz

References

Summary

In this tutorial we learn how to install drbd-pacemaker on CentOS 8 using yum and dnf.