We are averaging about 11/1 with data domain on a mix of data. One thing we 
found was the need to update a setting for tsm tape marker parameter, which 
almost doubled our performance.
 
 
Cory Heikel
Tivoli Systems Administrator
Hershey Medical Center
(717) 531-7972

>>> Dirk Kastens <Dirk.Kastens AT UNI-OSNABRUECK DOT DE> 10/10/2007 2:45 AM >>>
Kenneth,

Bradberry, Kenneth schrieb:
> I am currently looking at Data Domain as a possible VTL and
> de-duplication vender.  Can anyone share there experiences with Data
> Domain with TSM?

We just tested a DataDomain machine with TSM. The results were not as
good as we expected. It shows a very good compression with database
backups (Exchange backups should also work well) but not with normal
user data, like homedirectories or web data.

--
Regards,

Dirk Kastens
Universitaet Osnabrueck, Rechenzentrum (Computer Center)
Albrechtstr. 28, 49069 Osnabrueck, Germany
Tel.: +49-541-969-2347, FAX: -2470