On Thu, Jun 2, 2011 at 4:05 AM, Ralf Gross <Ralf-Lists AT ralfgross DOT de> 
wrote:
> Rickifer Barros schrieb:
>> Yes John...
>>
>> Now, I think that I understood perfectly and I have tested it too.
>>
>> VolumeToCatalog = Compares the files in a Storage Volume with the Catalog;
>
>
> VolumeToCatalog does not read the file content and compares it, it just
> reads the attributs and compares them (md5sum....).
>
> quote:
> http://www.bacula.org/en/dev-manual/main/main/Configuring_Director.html
>
> VolumeToCatalog
>    This level causes Bacula to read the file attribute data written
> to the Volume from the last Job. The file attribute data are compared
> to the values saved in the Catalog database and any differences are
> reported. This is similar to the Catalog level except that instead of
> comparing the disk file attributes to the catalog database, the
> attribute data written to the Volume is read and compared to the
> catalog database.

This part to me says it does compare the data on the volume with the
hash MD5/SHA1 that is stored in the database.

> Although the attribute data including the signatures
> (MD5 or SHA1) are compared, the actual file data is not compared (it
> is not in the catalog).

Of course it can only compare the hash of the data since it would be
silly to store an entire copy of the data in the database..

John


John

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