It's hard to write a completely automated backup test that's also pretty thorough. Yeah it would have caught "completely umountable" but there's a lot of other

It's hard to write a completely automated backup test that's also pretty thorough. Yeah it would have caught "completely umountable" but there's a lot of other problems that a basic script has little hope of catching. I do manual backup checks, and so did the author, but those are going to be limited in number.