A scheduled database maintenance led to an unexpected outage, temporarily taking several repositories offline due to a failure in the reporting tools, which prevented the initiation of the second phase of the migration and left some repositories inaccessible via the web interface. This incident, initially expected to cause only minor interruptions, highlighted flaws in the maintenance strategy rather than the tools themselves. The author, Chris Wanstrath, apologized for the inconvenience and emphasized the need to revise the maintenance approach to ensure zero downtime and uninterrupted service, reaffirming a commitment to keeping GitHub consistently available and promising to share the developed solution when ready.