nprofile1qyt8wumn8ghj7un9d3shjtnyd968gmewwp6kytcqyqfl7vu2tz5d35zd2neeqa20m8qxdxerq873lx4wrps3zjt6eep972akgn8 (nprofile…kgn8) back in 2006 my entire 160-customer portfolio was a massive 7 PB. That could fit in a single half filled rack these days.
https://www.backblaze.com/blog/open-source-data-storage-server/ at 60 drives/4U and 10 of these in a rack leaving 2U for ToR switches... fumbles calculator..
60 drives * 10 /rack * 30TB drives = 18PB/rack.