Michael Nygard clarifies some of the myths related to failover setups and the complicated live of ops teams:
It’s worth considering each of these states and asking yourself the following questions:
- Is the state transition triggered automatically or manually?
- Is the transition step executed by hand or through automation?
- How long will the state transition take?
- How can I tell whether it worked or not?
- How can I recover if it didn’t work?