Buy another, use ZFS send/receive. It's only double the price! Better yet, put it elsewhere (georedundancy). With ZFS encryption, the target system need not kno

Buy another, use ZFS send/receive. It's only double the price! Better yet, put it elsewhere (georedundancy). With ZFS encryption, the target system need not know about the data. For critical data though I use Borg and a Hetzner StorageBox.