High availability very frequently is a must in production instances. When monitoring is a priority, having a single point of failure is really not an option. At this moment Zabbix does not have a native High Availability functionality, but it is still possible to use native Linux HA tools to achieve such a result. Even then, the setup is quite complicated and has many pitfalls that in the end can result in Low Availability. Instead of trying to invent a template of HA for all use cases ( which is not possible ), I talk about the concept of High Availability and the most important things you need to keep in mind when creating such.
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Zabbix High Availability Cluster Setup
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