Hi Bas,

Thanks for feedback. 

On our side average dedup is 38% for VM's data , with daily incremental and 30 
days retention ...

Cheers.

Arnaud

-----Original Message-----
From: ADSM: Dist Stor Manager [mailto:ADSM-L AT VM.MARIST DOT EDU] On Behalf Of 
Bas van Kampen
Sent: Monday, March 21, 2016 12:15 PM
To: ADSM-L AT VM.MARIST DOT EDU
Subject: Re: Real world deduplication rates with TSM 7.1 and container pools

We have around 900 VM's in 2 container pools and we get 35% dedup
percentage.

Regards,

Bas van Kampen

On 18-3-2016 15:41, PAC Brion Arnaud wrote:
> Hi All,
>
> We are currently testing TSM 7.1 deduplication feature, in conjunction with 
> container based storage pools.
> So far, my test TSM instances, installed with such a setup are reporting 
> dedup percentage of 45 %, means dedup factor around 1.81, using a sample of 
> clients which are representative of our production environment.
> This is unfortunately pretty far from what was promised by IBM (dedup factor 
> of 4) ...
>
> I'm wondering if anybody making use of container based storage pools and 
> deduplication would be sharing his deduplication factor, so that I could have 
> a better appreciation of real world figures.
> If you would be so kind to share your information (possibly with the kind of 
> backed-up data  i.e. VM, DB, NAS, Exchange, and retention values ...) I would 
> be very grateful !
>
> Thanks in advance for appreciated feedback.
>
> Cheers.
>
> Arnaud
>
> ******************************************************************************************************************************
> Backup and Recovery Systems Administrator
> Panalpina Management Ltd., Basle, Switzerland,
> CIT Department Viadukstrasse 42, P.O. Box 4002 Basel/CH
> Phone: +41 (61) 226 11 11, FAX: +41 (61) 226 17 01
> Direct: +41 (61) 226 19 78
> e-mail: arnaud.brion AT panalpina DOT com<mailto:arnaud.brion AT panalpina 
> DOT com>
> This electronic message transmission contains information from Panalpina and 
> is confidential or privileged. This information is intended only for the 
> person (s) named above. If you are not the intended recipient, any 
> disclosure, copying, distribution or use or any other action based on the 
> contents of this information is strictly prohibited.
>
> If you receive this electronic transmission in error, please notify the 
> sender by e-mail, telephone or fax at the numbers listed above. Thank you.
> ******************************************************************************************************************************
>