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Mastering Zabbix (Second Edition)

Mastering Zabbix (Second Edition)

By : Andrea Dalle Vacche
3.6 (5)
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Mastering Zabbix (Second Edition)

Mastering Zabbix (Second Edition)

3.6 (5)
By: Andrea Dalle Vacche

Overview of this book

Nowadays monitoring systems play a crucial role in any IT environment. They are extensively used to not only measure your system’s performance, but also to forecast capacity issues. This is where Zabbix, one of the most popular monitoring solutions for networks and applications, comes into the picture. With an efficient monitoring system in place you’ll be able to foresee when your infrastructure runs under capacity and react accordingly. Due to the critical role a monitoring system plays, it is fundamental to implement it in the best way from its initial setup. This avoids misleading, confusing, or, even worse, false alarms which can disrupt an efficient and healthy IT department. This new edition will provide you with all the knowledge you need to make strategic and practical decisions about the Zabbix monitoring system. The setup you’ll do with this book will fit your environment and monitoring needs like a glove. You will be guided through the initial steps of choosing the correct size and configuration for your system, to what to monitor and how to implement your own custom monitoring component. Exporting and integrating your data with other systems is also covered. By the end of this book, you will have a tailor-made and well configured monitoring system and will understand with absolute clarity how crucial it is to your IT environment.
Table of Contents (12 chapters)
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11
Index

Some considerations about high availability


Every HA architecture has common problems to solve or common questions to respond to:

  • How the connection can be handled

  • How the failover can be managed

  • How the storage is shared or replicated to other sites

There are some production-stable and widely used solutions for each one of those questions. Let's study these questions in detail:

  • How the connection can be handled

    One of the possible answers to this question is just one word—VIP (Virtual IP). Basically, every software component needs to communicate or is interconnected with different logical layers, and those components are often deployed on different servers to divide and equalize the workload. Much of the communication is TCP/IP-based, and here the network protocol gives us a hand.

    It is possible to define a VIP that is assigned to the active servers and all the software required to be configured to use that address. So if there is a failover, the IP address will follow the service and all the...

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