In August 2012, a junior admin at a Midwestern hospital accidentally deleted the base disk of a 14-snapshot chain containing their Electronic Medical Records (EMR) VM. The chain was 9 months old. The backups had been failing silently for 3 weeks.
If you are listening to this today in 2024+, the "2012 Updated" marker is a fascinating historical artifact. vmr power pack the journey so far part 12 2012 vmr updated