https://www.youtube.com/watch?v=MsY-BafQgj4
http://open-zfs.org/
http://open-zfs.org/wiki/System_Administration
https://github.com/zfsonlinux/zfs/wiki/Debian-Stretch-Root-on-ZFS
https://linuxhint.com/install-zfs-debian/
... maybe with remote storage...
https://wiki.debian.org/SAN/iSCSI
