Why Are There Two Different Directories For The Same Instance In ADR? (Doc ID 1633130.1)

Last updated on NOVEMBER 28, 2016

Applies to:

Oracle Database - Enterprise Edition - Version 11.1.0.6 to 11.2.0.4 [Release 11.1 to 11.2]
Information in this document applies to any platform.

Symptoms

Under ADR there are 2 branches of directories.  The following 11g Diagnostic directories are reported for the same instance:

ORACLE_BASE/diag/rdbms/DB_UNIQUE_NAME/instance_name

ORACLE_BASE/diag/rdbms/DB_NAME/instance_name

Changes

At a certain point in time db_unique_name was set.

Cause

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