Enabling Zabbix server HA
Zabbix 6 shipped with one of the most anticipated features of all time, HA. This feature will bring your Zabbix setup to the next level by making sure that if one of your Zabbix servers is having issues, another one will take over. Of course, this feature is still available in Zabbix 7, and we will be making good use of it.
A great thing about this implementation is that it supports an easy proprietary way to put one to many Zabbix servers in a cluster: a great way of making sure your monitoring stays in the air at all times (or at least as much as possible).
The setup for the Zabbix server will be active/passive, as we cannot do anything such as load balancing on the Zabbix server side. Load balancing is, however, supported using Zabbix proxies, which we will discuss in Chapter 8, Setting up Zabbix Proxies.
Getting ready
Before getting started, please note that creating an HA setup is considered an advanced topic. It might be more difficult than...