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Tip of the Day: Using BCT on a Physical Standby Database

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  • 1.  Tip of the Day: Using BCT on a Physical Standby Database

    Posted 09-17-2014 04:21:00 PM
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    Using Block Change Tracking (BCT) on a Physical Standby Databse

    In general, Delphix recommends enabling Block Change Tracking (BCT) on a primary or standby source database. See Physical Standby Database Support Matrix in this topic for restrictions on enabling BCT on a standby database.

    BCT is available from Oracle release 11.1.0.6 onward for physical standby databases only if they are licensed for the Active Data Guard option.

    • Release 11.1.0.6 is unstable for the BCT on physical standby feature
    • Release 11.1.0.7 requires a patch for Oracle bug 7613481
    • Release 11.2.0.2 requires patches for Oracle bugs 10170431, 12312133
    • Release 11.2.0.3 requires patches for Oracle bugs 12312133, 16052165
    *Patches Required

    Enabling BCT on a physical standby database without these patches is not recommended because of serious performance and stability issues.


    BCT on a primary database has been stable since Oracle version 10.2.0.5.


    #bct
    #physical
    #oracle