Encountered ORA-15003 After Upgrade ASM From 10205 To 11204 (Doc ID 1624366.1)

Last updated on FEBRUARY 14, 2014

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.2 to 11.2.0.4 [Release 11.2]
Information in this document applies to any platform.

Symptoms

Non-RAC upgrade from 10.2.0.5 to 11.2.0.4 is successful but after all the steps are completed, a diskgroup refused to be mounted because of error
ORA-15003 diskgroup DG1 already mounted in another lock name space

Cause

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