Enabling Zabbix server high availability

Zabbix 6 is here, with one of the most anticipated features of all time. High availability 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.

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).

Now I do have to be honest, we cannot do anything like load balancing yet. But that is included on the Zabbix roadmap using the Zabbix proxies in a later version. Keep an eye out for any updates regarding that here:

https://www.zabbix.com/roadmap

Getting ready

Before getting started, please note that creating a high availability setup is considered an advanced topic. It might be more difficult than other recipes in this chapter.

For this setup, we will need three...