Thinking on the 3-2-1 backup strategy[1], the "2" refers to "two different mediums". Some say that means two different hard drives, but with articles like this

Thinking on the 3-2-1 backup strategy[1], the "2" refers to "two different mediums". Some say that means two different hard drives, but with articles like this I argue that it should be "two different forms of media." Of course, that's just referring to my personal data. With media like what is covered in the article, copyright law (incl. the DMCA) comes in to play, potentially limiting your options. [1]: https://www.carbonite.com/en/cloud-backup/business/resources/carbonite-blog/what-is-3-2-1-backup/ https://www.carbonite.com/en/cloud-backup/business/resources...