From the course: Putting ITIL® into Practice: Problem Management Techniques
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How to do it: Steps - ITIL Tutorial
From the course: Putting ITIL® into Practice: Problem Management Techniques
How to do it: Steps
- [Voiceover] To do fault tree analysis, write your top event, then events leading to it and connect them with logic gates. Continue writing levels of events that lead to higher level intermediate events and connect them with logic gates until you get to the bottom of the tree. You'll know you're there as these basic events have two characteristics in common. They require no further investigation and you can establish a countermeasure for them. In the last part of this process, you will establish countermeasures, weigh them, and select a subset of the highest value countermeasures to act on. Fault tree analysis identifies the faults and the logical relationships among faults that lead to an event. In the context of ITIL and problem management, the top event we're concerned with is the failure of or degradation of an IT service. Define the top event as clearly as possible. For example, failure of SAN one in LAN segment two at 2pm. Here's a tip, make it a synopsis of a precise problem…
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