So your backups are written to the same disk? > datacenter goes up in flames > 3-2-1 backups: 3 copies on 2 different types of media with at least 1 copy off-

So your backups are written to the same disk? > datacenter goes up in flames > 3-2-1 backups: 3 copies on 2 different types of media with at least 1 copy off-site. No off-site copy. Whoops!