How To Install corosync-qdevice on Ubuntu 20.04
Introduction
In this tutorial we learn how to install corosync-qdevice on Ubuntu 20.04.
What is corosync-qdevice
corosync-qdevice is:
corosync-qdevice is a daemon running on each node of a cluster. It provides a configured number of votes to the quorum subsystem based on a third-party arbitrator’s decision. Its primary use is to allow a cluster to sustain more node failures than standard quorum rules allow. It is recommended for clusters with an even number of nodes and highly recommended for 2 node clusters.
Package: corosync-qdevice Architecture: amd64 Version: 3.0.0-4ubuntu1 Priority: optional Section: universe/admin Origin: Ubuntu Maintainer: Ubuntu Developers [email protected] Original-Maintainer: Debian HA Maintainers [email protected] Bugs: https://bugs.launchpad.net/ubuntu/+filebug Installed-Size: 304 Pre-Depends: init-system-helpers (>= 1.54~) Depends: libc6 (>= 2.16), libcmap4 (>= 1.99.9), libcorosync-common4 (>= 1.99.9), libnspr4 (>= 2:4.9-2~), libnss3 (>= 2:3.13.4-2~), libqb0 (>= 1.0.3), libsystemd0, libvotequorum8 (>= 2.4.2), corosync (>= 2), libnss3-tools Filename: pool/universe/c/corosync-qdevice/corosync-qdevice_3.0.0-4ubuntu1_amd64.deb Size: 81056 MD5sum: 1f24a76800335be351cb890b3f72bdd2 SHA1: 2032fc843c27299e336d8875e30b5342661cdb39 SHA256: 101e0b1435ef41875936787462aa649da9ca0286941f5ef5bc08191b54a09614 Homepage: https://github.com/corosync/corosync-qdevice Description-en: cluster engine quorum device daemon corosync-qdevice is a daemon running on each node of a cluster. It provides a configured number of votes to the quorum subsystem based on a third-party arbitrator’s decision. Its primary use is to allow a cluster to sustain more node failures than standard quorum rules allow. It is recommended for clusters with an even number of nodes and highly recommended for 2 node clusters.
There are three methods to install corosync-qdevice on Ubuntu 20.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.
Install corosync-qdevice Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install corosync-qdevice using apt-get by running the following command:
sudo apt-get -y install corosync-qdevice
Install corosync-qdevice Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install corosync-qdevice using apt by running the following command:
sudo apt -y install corosync-qdevice
Install corosync-qdevice 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 Ubuntu. Update apt database with aptitude using the following command.
sudo aptitude update
After updating apt database, We can install corosync-qdevice using aptitude by running the following command:
sudo aptitude -y install corosync-qdevice
How To Uninstall corosync-qdevice on Ubuntu 20.04
To uninstall only the corosync-qdevice package we can use the following command:
sudo apt-get remove corosync-qdevice
Uninstall corosync-qdevice And Its Dependencies
To uninstall corosync-qdevice and its dependencies that are no longer needed by Ubuntu 20.04, we can use the command below:
sudo apt-get -y autoremove corosync-qdevice
Remove corosync-qdevice Configurations and Data
To remove corosync-qdevice configuration and data from Ubuntu 20.04 we can use the following command:
sudo apt-get -y purge corosync-qdevice
Remove corosync-qdevice configuration, data, and all of its dependencies
We can use the following command to remove corosync-qdevice configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge corosync-qdevice
References
Summary
In this tutorial we learn how to install corosync-qdevice package on Ubuntu 20.04 using different package management tools: apt, apt-get and aptitude.
