I'm also curious about that, as well as CPU impact on client side (Exchange 
server).  Thanks Daniel.

At 02:58 PM 10/18/2011, Prather, Wanda wrote:
>Good to hear.
>Has it had an effect on the backup elapsed time?  Or just the amount stored?
>
>-----Original Message-----
>From: ADSM: Dist Stor Manager [mailto:ADSM-L AT VM.MARIST DOT EDU] On Behalf 
>Of Daniel Sparrman
>Sent: Tuesday, October 18, 2011 2:52 PM
>To: ADSM-L AT VM.MARIST DOT EDU
>Subject: [ADSM-L] Ang: [ADSM-L] Dedup for DB's?
>
>We're having customers using Exchange, DB2 & SQL backups de-duping just fine. 
>Exchange databases are a total of 2TB per machine, having (if I'm not 
>recalling wrong) 200GB per storage group.
>
>So unless you're talking huge sizes, no, de-dup works fine for databases. And 
>the de-dup ratio is really good on databases tbh.
>
>Best Regards
>
>Daniel
>
>
>Daniel Sparrman
>Exist i Stockholm AB
>Växel: 08-754 98 00
>Fax: 08-754 97 30
>daniel.sparrman AT exist DOT se
>http://www.existgruppen.se
>Posthusgatan 1 761 30 NORRTÃ?LJE
>
>
>-----"ADSM: Dist Stor Manager" <ADSM-L AT VM.MARIST DOT EDU> skrev: ----- 
>Till: ADSM-L AT VM.MARIST DOT EDU
>Från: "Prather, Wanda" 
>Sänt av: "ADSM: Dist Stor Manager" 
>Datum: 10/18/2011 19:24
>Ã?rende: [ADSM-L] Dedup for DB's?
>
>
>Just asking.
>As I recall, the announcements for client-side dedup said it is supported by 
>the API, so therefore should work with TDP's.
>Has anybody achieved (or attempted?) significant improvements in throughput 
>with backup of large DB's using client-side dedup?
>
>Wanda Prather  |  Senior Technical Specialist  | wprather AT icfi DOT 
>com<mailto:wprather AT icfi DOT com>  |  www.jasi.com<www.jasi.com%20>
>ICF Jacob & Sundstrom  | 401 E. Pratt St, Suite 2214, Baltimore, MD 21202 | 
>410.539.1135 


--
Paul Zarnowski                            Ph: 607-255-4757
Manager, Storage Services                 Fx: 607-255-8521
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