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Mastering Zabbix by Andrea Dalle Vacche, Stefano Lee

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Database high availability

Implementing high availability for a database is not an easy task. There are a lot of ways to implement a high availability configuration using different software and complexity.

The architecture proposed here is fully redundant; it is one of the possible solutions that is widely used on large environments. You need two database servers to implement this solution, and two installations of the same software and operating system. Obviously, since servers are twins and are tied together, they need to have the same software, the same release patch, and basically be identical.

Since we are going to have two different servers, it is clear that the data needs to be replicated between them; this implies that your server needs ...

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