I'm sure it'd be painful, but let's throw "infrequent" onto your description of the lesson. :-) I've run ZFS for home storage and work backups for ~15 years,

I'm sure it'd be painful, but let's throw "infrequent" onto your description of the lesson. :-) I've run ZFS for home storage and work backups for ~15 years, across Nexenta, ZFS-fuse, FreeBSD, and OpenZFS, backing up hundreds of machines, and have never lost data on one of them.