tool for checking integrity of a file system DUMP

[Warren Block]

On Fri, 25 Oct 2013, Matthias Apitz wrote:

> I'm using dump(8) for backups. Is there some tool to check the integrity
> of the produced dump? A 'restore -t -f ....' seems to look only into the
> header of the dump and not reading the full file...
>
> Ideally would be a binary comparisation of the files in the dump with
> the original files on disk, ofc directly after the dump done in single
> user mode.

It may be possible to use mtree(8)'s cksum to compare the original files 
with those in the backup.