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Installation and User's Guide

Installation and User's Guide

Installation and User's Guide

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shows the amount of data that was deduplicated in this operation, <strong>and</strong> how manyfiles were processed by client-side data deduplication.If you do not have enough disk space for the backup or archive operation, you canenable client-side data deduplication without local data deduplication cache on theclient using these steps:1. Add the deduplication yes option to the dsm.opt file. You can also set thisoption in the GUI.2. Turn off the local data deduplication cache by adding the ENABLEDEDUPCACHE NOoption to the dsm.opt file.You can also set this option in the Tivoli Storage Manager backup-archive clientpreference editor by clearing the Enable Deduplication check box.The following example uses the query session comm<strong>and</strong> to show the type of datathat was processed for data deduplication:tsm> q sessTSM Server Connection InformationServer Name.............: SERVER1Server Type.............: WindowsArchive Retain Protect..: "No"Server Version..........: Ver. 6, Rel. 2, Lev. 0.0Last Access Date........: 08/25/2009 13:38:18Delete Backup Files.....: "No"Delete Archive Files....: "Yes"Deduplication...........: "Client Or Server"Node Name...............: AVIUser Name...............:The following example uses the query management class comm<strong>and</strong> to show thetype of data that was processed for data deduplication:tsm> q mgmt -detDomain Name : DEDUPActivated Policy Set Name : DEDUPActivation date/time : 08/24/2009 07:26:09Default Mgmt Class Name : DEDUPGrace Period Backup Retn. : 30 day(s)Grace Period Archive Retn.: 365 day(s)MgmtClass Name : DEDUPDescription : dedup - values like st<strong>and</strong>ardSpace Management Technique : NoneAuto Migrate on Non-Usage : 0Backup Required Before Migration: YESDestination for Migrated Files : SPACEMGPOOLCopy GroupCopy Group Name........: STANDARDCopy Type..............: BackupCopy Frequency.........: 0 day(s)Versions Data Exists...: 2 version(s)Versions Data Deleted..: 1 version(s)Retain Extra Versions..: 30 day(s)Retain Only Version....: 60 day(s)Copy Serialization.....: Shared StaticCopy Mode..............: ModifiedCopy Destination.......: AVIFILEPOOLLan Free Destination...: NODeduplicate Data.......: YESChapter 2. Configure the Tivoli Storage Manager client 43

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