On 1/Aug/20 02:44, Rafael Possamai wrote:

To your point with regards to multiple failures combined causing an outage, here's some basic reading on the Swiss cheese model: https://en.wikipedia.org/wiki/Swiss_cheese_model

You just reminded me of the defense's strategy in the court case against HealthSouth's CEO Richard Scrushy, when they used a picture of a rat carrying Swiss cheese (full of holes) in their closing arguments to the jurors, to discredit the prosecution :-).

Mark.