“This is what happens when you let computer techie types run the old-school basic infrastructure, is my take. Stick to your OS updates, guys, and hire someone who understand electrical and mechanical systems.”
Many of the people who designed this are probably gone. Also, they probably never tested this outside of an annual table top exercise. Finally, their risk analysis probably said the chance of this happening compared with the costs of running true tests probably didn’t warrant a live test.
FAIL!!!
Business continuity should be looked at as an insurance expense. Delta failed to pay their premiums, and paid the price.