Oracle RMAN Full Backup with Bigfile tablespaces - Deduplication Savings

Last post 10-01-2020, 5:05 PM by StorageGuy007. 1 replies.
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  • Oracle RMAN Full Backup with Bigfile tablespaces - Deduplication Savings
    Posted: 10-01-2020, 9:21 AM

    Hi,

     

    I was wondering if anyone had any experience with Oracle RMAN Full Backups with bigfile tablespaces and how it affects deduplication.

    From what I can see, we only get about 10-20% savings and the DBA confirmed only 10% change rate between full backups.


    Does anyone have experience with this? Is this expected with bigfile tablespaces?

     

    Thanks!

     

    J

  • Re: Oracle RMAN Full Backup with Bigfile tablespaces - Deduplication Savings
    Posted: 10-01-2020, 5:05 PM

    Please open a ticket with support so they dig a little deeper. I dont see any issues with bigfile TS


    Gary Seibak
    Technical Account Manager - Commvault
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