Any snapshot-capable storage setup should be a decent remedy against ransomware, just roll back to the latest snapshot (unless of course the ransomware manages

Any snapshot-capable storage setup should be a decent remedy against ransomware, just roll back to the latest snapshot (unless of course the ransomware manages to kill your snapshots), unless there's another specific ZFS functionality you're hinting at? ZFS, btrfs, even LVM does snapshots, and it seems silly to use anything else for critical data/configuration.