Downgrading INTEGRATED Extract to Classic Extract fails on RAC environment (Doc ID 1476058.1)

Last updated on AUGUST 07, 2012

Applies to:

Oracle GoldenGate - Version 11.2.1.0.0 and later
Information in this document applies to any platform.

Symptoms

Downgrading a INTEGRATED Extract to Classic Extract on a RAC environment causes the Classic Extract to fail with following error message

GGSCI (scfppdb09) 5> alter etest downgrade tranlog
Extract ETEST successfully downgraded from integrated capture.

GGSCI (scfppdb09) 6> start etest

2012-07-03 13:29:36  ERROR   OGG-00446  The number of Oracle redo threads (2) is not the same as the number of checkpoint threads (1). EXTRACT gro
ups on RAC systems should be created with the THREADS parameter (e.g., ADD EXT <group name>, TRANLOG, THREADS 2, BEGIN...).

2012-07-03 13:29:36  ERROR   OGG-01668  PROCESS ABENDING.

Cause

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