File size discrepancies

[Lowell Gilbert]

Modulok <modulok at gmail.com> writes:

> I have a file hierarchy of about 18GiB which was copied from a UFS 2
> file system one hard disk to a UFS 2 file system on a gmirror array.
> The size of the two hierarchies differ by 12 bytes according to du(1).
> No errors were reported by cp(1) during the copy operation.
>
> Is this normal, or should I start hunting for corruption?

The explanation is probably benign, but checking is very simple; just
build an mtree(8) description on the original hierarchy and check it
against the second one.