[carlsborg]

> No power to any of the network or compute equipment and some failovers did not work as expected.

Wonder if it was the switchgear that failed. Amazon uses custom firmware in its switchgears because this happens so often (Superbowl 2013 etc.)

[wapoamspomw]

Some great reading on the topic from James Hamilton's blog.

https://perspectives.mvdirona.com/2013/02/the-power-failure-...

https://perspectives.mvdirona.com/2017/04/at-scale-rare-even...

https://perspectives.mvdirona.com/2017/12/when-you-cant-affo...