Time Machine backups rely on hard links a lot, there are files in each snapshot pointing at the same data on disk. I imagine that could be what is going on here. This person could actually have had 60Tb worth of backup data sets on a 2Tb drive, only possible because there are very few differences between the data sets.
Time Machine backups rely on hard links a lot, there are files in each snapshot pointing at the same data on disk. I imagine that could be what is going on here. This person could actually have had 60Tb worth of backup data sets on a 2Tb drive, only possible because there are very few differences between the data sets.