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Practice Exercise 3: Creating RCA and PIR

Create an RCA and a PIR document of the Web App incident encountered.

The RCA and PIR should be uploaded below the filename student_Name_RCA and student_Name_PIR

Task 1: Create an RCA of the WebApp incident to identify the possible root cause of the issue.

  1. Using the 5 Why Method identify the possible root cause of the web app downtime issue.

Task 2: Create a PIR on the WebApp downtime issue.

  1. Using the Retrospective Method, create a PIR document filling out/answering the To Do in the template.
  2. Here are the known factors/information to consider:
    • incident was reported by a user September 1, 2023 5:50 PM
    • OOM cause was discovered by the tiered support around 8:00 PM
    • HTTPD service was started 8:30 PM
    • Incident was considered resolved September 1, 2023 9:00 PM
    • No Alerting/ Notification System currently in place
    • Incident Did not breach SLO with customers
    • No system/tool to measure number of user affected currently in place.
    • No regular announcement/updates to stakeholders were released during time of outage

Task 3: Upload RCA and PIR for checking.

  1. Upload created RCA and PIR Document in the drive below with filenames Student_Name_RCA and Student_Name_PIR respectively.