Centreon HA
Centreon HA general FAQ
Answers to common Centreon HA questions: when you need it, who installs it, extension licenses, supported OSs and DBMS, and modules that support HA.
Elements of a Centreon HA cluster
Learn what makes up a Centreon HA cluster: central and database nodes, quorum device, processes managed by the cluster, and active and passive node roles.
How Centreon HA works
Understand how a Centreon HA cluster works with Pacemaker and Corosync: how the passive node takes over when the active node fails, and how it recovers.
Prerequisites for an HA architecture
Check the prerequisites for a Centreon HA architecture: server sizing, free disk space for MariaDB data, and network flows between cluster nodes.
Centreon HA for small infrastuctures
Set up a simplified two-node Centreon HA architecture for small platforms, with databases on the central servers, and compare it with a 4-node cluster.
Completing your Centreon HA setup
2 items
Operating Centreon HA
2 items
Updating Centreon HA
1 items
Upgrading Centreon HA
5 items