HA can be hard to get right, sure, but you have to at least have (TESTED) plan for what happens
"Run a script to deploy new node and load last backup" can be enough, but then you have to plan on what to tell customers when last few hours of their data is gone
"Run a script to deploy new node and load last backup" can be enough, but then you have to plan on what to tell customers when last few hours of their data is gone