“This is a good reminder for everyone that snapshots are not backups.” Were this not ZFS, I would agree with you, however, since zfs rollback will revert to pr

“This is a good reminder for everyone that snapshots are not backups.” Were this not ZFS, I would agree with you, however, since zfs rollback will revert to previous state and if the snapshot is on a redundant vdev, there is no difference between that and losing your backup due to a damaged tape. In fact, zfs snapshots are exactly how time machine on illumos based operating systems is implemented.