This is not strictly accurate. ZFS records checksums of the records of data that make up the file storage. If you want an end to end file-level checksum (like

This is not strictly accurate. ZFS records checksums of the records of data that make up the file storage. If you want an end to end file-level checksum (like a SHA-256 digest of the contents of the file) you still need to layer that on top. Which is not to say it's bad, and it's certainly something I rely on a lot, but it's not quite the same!