Oh, so it's stored with the data.  My mistake, good to know.
No impact on the DB at all!

On Fri, Jul 31, 2009 at 3:54 PM, Michael Glad <glad AT cs.au DOT dk> wrote:

> Skylar Thompson wrote:
>
>> Wanda Prather wrote:
>>
>>  My understanding of the function is that if you turn on CRCDATA=YES, TSM
>>> creates the checksum and saves it in the DB.  To detect a problem, you
>>> then
>>> need to run an AUDIT on the volumes.
>>>
>>>
>> Interesting. Do you know the impact on DB size that it has?
>>
>> --
>> -- Skylar Thompson (skylar2 AT u.washington DOT edu)
>> -- Genome Sciences Department, System Administrator
>> -- Foege Building S048, (206)-685-7354
>> -- University of Washington School of Medicine
>>
> [ Thank you to all for all the answers to my question. ]
>
> I just found the page
>
>      http://www-01.ibm.com/support/docview.wss?uid=swg21143615
>
> It states that checksums are stored with the data on-disk  and not in
> the DB.
>
> -- Michael
>