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

Last updated on JUNE 05, 2019

Applies to:

Symptoms

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

GGSCI> alter <group> downgrade tranlog
Extract <group> successfully downgraded from integrated capture.

GGSCI> start <group>

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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