Hi David, No. Only newly stored data will be compressed.
Del ---------------------------------------------------- "ADSM: Dist Stor Manager" <ADSM-L@VM.MARIST.EDU> wrote on 03/22/2016 09:41:27 AM: > From: David Ehresman <david.ehres...@louisville.edu> > To: ADSM-L@VM.MARIST.EDU > Date: 03/22/2016 09:42 AM > Subject: Re: Real world deduplication rates with TSM 7.1 and container pools > Sent by: "ADSM: Dist Stor Manager" <ADSM-L@VM.MARIST.EDU> > > Del, > > After upgrading to 7.1.5 is there a way to get pre-existing > container data compressed? > > David > > -----Original Message----- > From: ADSM: Dist Stor Manager [mailto:ADSM-L@VM.MARIST.EDU] On > Behalf Of Del Hoobler > Sent: Monday, March 21, 2016 5:53 PM > To: ADSM-L@VM.MARIST.EDU > Subject: Re: [ADSM-L] Real world deduplication rates with TSM 7.1 > and container pools > > I think most of you know Spectrum Protect just added in-line compression > to the container and cloud deduplicated pools in version 7.1.5: > > > https://urldefense.proofpoint.com/v2/url? > u=http-3A__www.ibm.com_support_knowledgecenter_SSGSG7-5F7.1. > 5_srv.common_r-5Ftechchg-5Fsrv-5Fcompress-5F715.html&d=AwIFAg&c=SgMrq23dbjbGX6e0ZsSHgEZX6A4IAf1SO3AJ2bNrHlk&r=dOGCMY197NTNH1k_wcsrWS3_fxedKW4rpKJ8cHCD2L8&m=OMHhA4Nmsv9Buo24T83zOFo8w4mvoMyvC_nagZn36T0&s=C4shp8VD_EyXjruT5Lu2v68tMVpfpzHcluAuRJfaIK0&e= > > Adding incremental forever, the new in-line deduplication - client or > server-based (7.1.3), new in-line compression (7.1.5) I think you will > find that Protect continues to drive overall data reduction. This is being > done in the software, so you can choose what disk you want to use. > > I encourage folks to try out the the new deduplication along with the new > compression to see how it helps with the overall data reduction. > > > Thank you, > > Del > > ---------------------------------------------------- > > > > "ADSM: Dist Stor Manager" <ADSM-L@VM.MARIST.EDU> wrote on 03/18/2016 > 10:41:06 AM: > > > From: PAC Brion Arnaud <arnaud.br...@panalpina.com> > > To: ADSM-L@VM.MARIST.EDU > > Date: 03/18/2016 10:41 AM > > Subject: Real world deduplication rates with TSM 7.1 and container pools > > Sent by: "ADSM: Dist Stor Manager" <ADSM-L@VM.MARIST.EDU> > > > > 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.br...@panalpina.com<mailto:arnaud.br...@panalpina.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. > > > ****************************************************************************************************************************** > > >