Mistakes were made
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The document discusses strategies for preventing failures when implementing systems or processes. It recommends thoroughly documenting plans, testing implementations and rollback plans, identifying a "point of no return", and conducting post-mortems to identify lessons learned from mistakes. Sharing experiences and checklists can help teams standardize processes and minimize risks.
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Mistakes were made
- 1. Mistakes were made Selena Deckelmann @selenamarie SP ogm Ceon Cfo .En Uef2 re0n 1c1e
- 2. This is for everyone that’s stayed up all night fixing broken systems. SP ogm Ceon Cfo .En Uef2 re0n 1c1e
- 3. You can never think about failure too much. SP ogm Ceon Cfo .En Uef2 re0n 1c1e
- 4. 1c1e re0n Uef2 .En Cfo Ceon ogm SP
- 5. Some goals around pessimism. SP ogm Ceon Cfo .En Uef2 re0n 1c1e
- 6. Plan for the worst. 1c1e re0n Uef2 .En Cfo Ceon ogm SP
- 7. Minimize risk. 1c1e re0n Uef2 .En Cfo Ceon ogm SP
- 8. Recover, gracefully. 1c1e re0n Uef2 .En Cfo Ceon ogm SP
- 9. Plan for the worst. Minimize risk. Recover, gracefully. SP ogm Ceon Cfo .En Uef2 re0n 1c1e
- 10. 1c1e re0n Uef2 .En Cfo Ceon ogm SP
- 11. 1c1e re0n Uef2 .En Cfo Ceon ogm SP
- 12. Tales of failure to... Document Test Verify Imagine Implement SP ogm Ceon Cfo .En Uef2 re0n 1c1e
- 13. Failure to document. 1c1e re0n Uef2 .En Cfo Ceon ogm SP
- 14. Moving Day Thanks, David Prior! SP ogm Ceon Cfo .En Uef2 re0n 1c1e
- 15. Prevent documentation failures. • Write documentation. • Update documentation. • Make documenting a step in your written process. • Assign a fixed amount of time to that step. SP ogm Ceon Cfo .En Uef2 re0n 1c1e
- 16. Documentation tools • Checklists. • Graphic designers. (Pretty wikis. Pretty docs. (Sphinx?) Diagrams.) • Bug tracking. SP ogm Ceon Cfo .En Uef2 re0n 1c1e
- 17. Failure to test. 1c1e re0n Uef2 .En Cfo Ceon ogm SP
- 18. “My first day posing as a sysadmin (~1990, no previous training....) I deleted all zero length files on a Sun workstation.” SP ogm Ceon Cfo .En Uef2 re0n 1c1e
- 19. Prevent testing failures. • Verify success criteria. • Write tests. • Test with a buddy. • Have a plan. SP ogm Ceon Cfo .En Uef2 re0n 1c1e
- 20. Testing tools • Staging environments • Your favorite test framework • Repeatable shell scripts SP ogm Ceon Cfo .En Uef2 re0n 1c1e
- 21. Failure to verify. 1c1e re0n Uef2 .En Cfo Ceon ogm SP
- 22. “What does ‘-d’ actually do?” SP ogm Ceon Cfo .En Uef2 re0n 1c1e
- 23. Prevent verification failures. • Have a plan for things going wrong. • Have a staging environment. • Test your rollback plan, not just your implementation plan. SP ogm Ceon Cfo .En Uef2 re0n 1c1e
- 24. Verification tools • Staging environments • Your buddy SP ogm Ceon Cfo .En Uef2 re0n 1c1e
- 25. Failure to imagine. 1c1e re0n Uef2 .En Cfo Ceon ogm SP
- 26. For my group the bottom line was "don't trust anyone". SP Thanks, Maggie! ogm Ceon Cfo .En Uef2 re0n 1c1e
- 27. Recover from failures to imagine. • Share your stories of failure. • Talk with people who are different from you. • Act out implementation scenarios. SP ogm Ceon Cfo .En Uef2 re0n 1c1e
- 28. Failure to implement. 1c1e re0n Uef2 .En Cfo Ceon ogm SP
- 29. Re-implement. • Learn from mistakes. SP ogm Ceon Cfo .En Uef2 re0n 1c1e
- 30. Reflection. (or, the Post-Mortem) SP ogm Ceon Cfo .En Uef2 re0n 1c1e
- 31. Checklist Manifesto E-Myth Revisited SP ogm Ceon Cfo .En Uef2 re0n 1c1e
- 32. Summary: Writing down what you do and sharing it is a huge competitive advantage. SP ogm Ceon Cfo .En Uef2 re0n 1c1e
- 33. Before • Document the plan with a checklist. • Test the plan and the rollback plan. • Identify a “point of no return”. SP ogm Ceon Cfo .En Uef2 re0n 1c1e
- 34. During • Screen sharing: UNIX screen,VNC, etc. • Chatroom: AIM, Campfire (scrollback!) • Voice: Campfire, Skype,VOIP, POTS call line • Headsets! • Designated time-keeper. SP ogm Ceon Cfo .En Uef2 re0n 1c1e
- 35. After • Documentation updates • Post-mortems to identify areas of success and areas for improvement. • Limit improvements to 1-2 things. SP ogm Ceon Cfo .En Uef2 re0n 1c1e
- 36. Plan for the worst. Minimize risk. Recover, gracefully. SP ogm Ceon Cfo .En Uef2 re0n 1c1e
- 37. Thanks! re f2 1c 0n 1e Ue .En Cfo on Ce ogm SP
- 38. Mistakes were made Selena Deckelmann @selenamarie SP ogm Ceon Cfo .En Uef2 re0n 1c1e
- 39. Photo credits • Flickr: sheepguardingllama SP ogm Ceon Cfo .En Uef2 re0n 1c1e