Hi, I'd rather say 6 to 10 times, or 10 GB of DB for each 1 TB of data (native, not deduped) stored.
-- Best regards / Cordialement / مع تحياتي Erwann SIMON ----- Mail original ----- De: "Norman Gee" <norman....@lc.ca.gov> À: ADSM-L@VM.MARIST.EDU Envoyé: Jeudi 12 Juin 2014 16:55:29 Objet: Re: [ADSM-L] TSM and VTL Deduplication Be prepare for your database size to double or triple if you are using TSM deduplication. -----Original Message----- From: ADSM: Dist Stor Manager [mailto:ADSM-L@VM.MARIST.EDU] On Behalf Of Prather, Wanda Sent: Thursday, June 12, 2014 7:15 AM To: ADSM-L@VM.MARIST.EDU Subject: Re: TSM and VTL Deduplication And if you are on the licensing-by-TB model, when it gets un-deduped (reduped, rehydrated, whatever), your costs go up! -----Original Message----- From: ADSM: Dist Stor Manager [mailto:ADSM-L@VM.MARIST.EDU] On Behalf Of Dan Haufer Sent: Thursday, June 12, 2014 9:48 AM To: ADSM-L@VM.MARIST.EDU Subject: Re: [ADSM-L] TSM and VTL Deduplication Understood. Thanks ! -------------------------------------------- On Thu, 6/12/14, Ehresman,David E. <deehr...@louisville.edu> wrote: Subject: Re: [ADSM-L] TSM and VTL Deduplication To: ADSM-L@VM.MARIST.EDU Date: Thursday, June 12, 2014, 5:33 AM If TSM moves data from a (disk) dedup pool to tape, TSM has to un-dedup the data as it reads it