How do I manage a 'Root Cause Analysis' (RCA) for a multi-cloud system outage?

All answers to this question.

For complex cloud failures, a standard '5 Whys' can be too linear. I recommend a "Fishbone Diagram" categorized by 'People, Process, Technology, and External.' This allows you to see the interplay between, for example, a faulty script (Technology) and a lack of peer review (Process). To avoid blame culture, focus on "Systemic Vulnerabilities." Instead of asking "Who pushed the code?", ask "Why did our automated testing fail to catch the error in the script?" This shifts the focus from the individual to the process. The goal of the RCA isn't to find a scapegoat, but to identify the 'Single Point of Failure' and implement a permanent 'Corrective and Preventive Action' (CAPA).

   Answered 2025-03-27 by Dorothy Young

How do you determine the 'Stopping Point' in your 5 Whys analysis so you don't end up just blaming "Budget Constraints" or "Company Culture" every time?

   Answered 2025-03-29 by Kenneth Hill

• Kenneth, that's a great question. A good rule of thumb is to stop when you reach a "controllable" factor. If your answer is "management didn't give us enough money," that's not actionable for the engineering team. Instead, look for the 'Process' gap that was caused by the budget—like "we didn't have a staging environment that mirrored production." That is something you can write a business case to fix. You want to find the root cause that you have the authority and the technical capability to change. If you go too deep into "philosophy," the RCA loses its value as a quality improvement tool.

     Commented 2025-03-30 by Brian Scott

We use "Blameless Post-mortems" where we don't use names in the report. We refer to everyone by their role (e.g., 'Engineer A'). It helps keep the focus on the technical fix.

   Answered 2025-03-31 by Nancy Adams

• Nancy is spot on. Removing the names completely changes the energy of the meeting. People are much more honest about their mistakes when they know it won't be used against them in a performance review.

     Commented 2025-04-01 by Kevin Foster