> From: zfs-discuss-boun...@opensolaris.org [mailto:zfs-discuss-
> boun...@opensolaris.org] On Behalf Of Edward Ned Harvey
> 
> If scrub is operating at a block-level (and I think it is), then how
> can
> checksum failures be mapped to file names?  For example, this is a
> long-requested feature of "zfs send" which is fundamentally difficult
> or
> impossible to implement.

How about that.  I recently learned that "zfs diff" does exist already, in
b147 of openindiana.  That means it's already in the oracle opened-source
zfs code, but apparently too new to be included in any of the present
releases.

So it seems, zfs does have some ability to figure out which file owns a
particular block on disk.

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