Oracle 的ADG备库可以作为OGG的源头数据库

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本文介绍Oracle GoldenGate 12.1.2.1.0及以上版本支持从Active DataGuard环境中提取redo日志的功能。通过设置特定参数，GoldenGate能够在不影响主数据库的情况下，从备库中捕获变更数据。

APPLIES TO:

Oracle GoldenGate - Version 12.1.2.1.0 and later
Information in this document applies to any platform.

GOAL

Does GoldenGate support extract reading redo from generated from an active data guard?

SOLUTION

Yes, this is supported in 12.1.2.1.0 (but not previous version) GoldenGate classic extract, with parameter:

TRANLOGOPTIONS MINEFROMACTIVEDG

参考文章:
Does GoldenGate Support Extracting Redo from Active Data Guard? (文档 ID 1299805.1)
Required fixes for GoldenGate to work with DataGuard in an MAA architecture (文档 ID 2008663.1)
How to Configure Extract on Standalone Active Data Guard System if Primary is RAC Multipe Nodes (文档 ID 1962336.1)
http://www.oracle.com/technetwork/database/availability/ogg-adg-2422372.pdf