From the course: Putting ITIL® into Practice: Problem Management Techniques
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Why use it? - ITIL Tutorial
From the course: Putting ITIL® into Practice: Problem Management Techniques
Why use it?
- [Voiceover] Use fault tree analysis to proactively identify the multiple sources or conditions services are dependent on, that, should they fail, lead to a service outage or degradation. Use it to produce documentation for use in reactive problem troubleshooting or proactively as the basis for hardening a service. That is, for re-architecting it to fail less by setting up countermeasures to minimize or eliminate outages and degradations. Do you know all of the resources and conditions your IT services depend on? You must have this knowledge ready to hand to quickly troubleshoot and isolate faults in a live problem situation. And if you're working hard to harden a system, you need that information as well. Fault tree analysis provides it. And a side benefit of it is that doing it forces an understanding of the components of a service and their dependencies. Hopefully, when you experience a failure or outage, you already have a fault tree to refer to in order to quickly understand the…
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