The one thing that btrfs can do that ZFS cannot is defragment. Crippling a ZFS dataset on rotational media does not appear to be at all difficult. https://www.

The one thing that btrfs can do that ZFS cannot is defragment. Crippling a ZFS dataset on rotational media does not appear to be at all difficult. https://www.usenix.org/system/files/login/articles/login_summer17_02_conway.pdf https://www.usenix.org/system/files/login/articles/login_sum...