zfs rename/move root filesystem into child
- by Anton
Similar question exists but the solution (using mv) is awful because in this case it works as "copy, then remove" rather than pure "move".
So, I created a pool:
zpool create tank /dev/loop0
and rsynced my data from another storage in there directly so that my data is now in /tank.
zfs list
NAME USED AVAIL REFER MOUNTPOINT
tank …