The team continues to test the system. Things that don't behave as expected are candidates for procedures in the runbook, with sample alerts, snippets from logfiles or images of dashboards -- anything that would help quickly identify and resolve emergencies. More detailed root cause analysis goes on the wiki and, if appropriate, the knowledge base. Kathy has completed the first versions of the manuals, based on what the team learned from the test rollout. Eric schedules a conference call with everyone in the on-call rotation to go over what Categorio is, the basics of what to expect and, most importantly, where to find the docs. By the way, the in-flight entertainment on United 757s run Linux. Now you know.