ADSM-L

Re: [ADSM-L] Deduplication question

2011-09-06 18:27:48
Subject: Re: [ADSM-L] Deduplication question
From: Andrew Raibeck <storman AT US.IBM DOT COM>
To: ADSM-L AT VM.MARIST DOT EDU
Date: Tue, 6 Sep 2011 18:21:59 -0400
Hi Richard,

No, the deduplicated data is not recomposed when backing up to a
deduplicated copy storage pool.

Recommended reading:
http://www.ibm.com/developerworks/wikis/pages/viewpage.action?pageId=108134649
http://www.ibm.com/developerworks/wikis/display/tivolistoragemanager/Data
+deduplication+best+practices+for+Tivoli+Storage+Manager+V6.2

Best regards,

Andy Raibeck
IBM Software Group
Tivoli Storage Manager Client Product Development
Level 3 Team Lead
Internal Notes e-mail: Andrew Raibeck/Hartford/IBM@IBMUS
Internet e-mail: storman AT us.ibm DOT com

IBM Tivoli Storage Manager support web page:
http://www.ibm.com/support/entry/portal/Overview/Software/Tivoli/Tivoli_Storage_Manager

"ADSM: Dist Stor Manager" <ADSM-L AT vm.marist DOT edu> wrote on 2011-09-06
17:40:49:

> From: Richard van Denzel <rvandenzel AT GMAIL DOT COM>
> To: ADSM-L AT vm.marist DOT edu
> Date: 2011-09-06 17:44
> Subject: Deduplication question
> Sent by: "ADSM: Dist Stor Manager" <ADSM-L AT vm.marist DOT edu>
>
> Hi All,
>
> Just a question aboutn the internal dedup of TSM. When I dedup a storage
> pool and then backup the pool to a dedup copy pool, will the data in the
> storage pool backup be transferred deduped or will it get undeduped
first,
> then transferred and then dedupped again?
>
> Richard.
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