Time Machine Goes on a Feeding Frenzy

&#xA; My Mac’s Time Machine backup disk got full. This shouldn’t be a problem, it’s only 2TB and can’t keep everything forever. So it did it’s job and dutifully deleted the oldest backup to make room for the new one. Except it was still too full, so it deleted more backups. It got to the stage of only having a single backup snapshot left. It at least realised that it shouldn’t delete the last one,…