via @FreeBSDHelp
via https://www.reddit.com/r/freebsd/comments/nksnti/updating_my_freebsd_122_host_to_freebsd_130/
via @sdouche
pareil :(
via https://www.reddit.com/r/Sysadmin_Fr/comments/79flv8/zfs_larchitecte_en_chef_de_la_technologie/
via https://bsdmag.org/openzfs_cheat/
via http://unix.stackexchange.com/questions/116217/optimised-zfs-in-low-ram-environment-feasibility