I don't know how shred works, but based on what you said, it assumes knowledge of how the underlying filesystem works. If there's fault to be had (and there pr

I don't know how shred works, but based on what you said, it assumes knowledge of how the underlying filesystem works. If there's fault to be had (and there probably isn't), it's not ZFS's. You really consider being able to shred individual files a critical filesystem feature? Over, say, not having to configure static partition sizes, having snapshots, or being completely immune by design to large classes of data corruption (including all those that require an fsck-like tool to repair)?