Question
What steps are involved in performing a thorough root cause analysis (RCA) for a critical cloud error?
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Answer (102)
A thorough RCA for a critical cloud error involves: 1. **Define the Problem**: Clearly state the error, its symptoms, and impact. 2. **Gather Data**: Collect all relevant logs (application, system, cloud provider), metrics, traces, and configuration details from before, during, and after the incident. 3. **Identify Contributing Factors**: List all events or conditions that played a role, even if they weren't the direct cause. 4. **Establish Timeline**: Create a chronological sequence of events leading up to the error. 5. **Determine Root Cause**: Systematically analyze the data to identify the fundamental, underlying reason(s) that, if removed, would prevent recurrence. Use techniques like the '5 Whys'. 6. **Develop Preventative Actions**: Propose specific, actionable solutions to address the root cause and prevent similar errors in the future, including process, technology, or training improvements. 7. **Verify Effectiveness**: Implement and monitor the solutions to ensure they successfully prevent recurrence.