When I use sudo zfs get all, I see that both my old pool (data) and my newly created pool (backup) are on version 5, which I think refers to the zfs version, not the zpool version.

Redundancy is not the same thing as an undo button.

In my last article on next-gen filesystems, we did something in between a generic high altitude overview of next-gen filesystems and a walkthrough of some of btrfs’ features and usage. This time, ...