I love this comment: "The reason why we put it in is not physical data loss, but once in a blue moon you will have a bug that destroys all copies of the online

I love this comment: "The reason why we put it in is not physical data loss, but once in a blue moon you will have a bug that destroys all copies of the online data and your only protection is to have something that is not connected to the same software system." I think that is often overlooked when designing HA storage systems.