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

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  • Updated 4 years ago
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.
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Posted 4 years ago

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