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Database Instance Will Not Mount. Ora-19808 (Doc ID 391828.1)

Last updated on AUGUST 20, 2023

Applies to:

Oracle Database - Enterprise Edition - Version 10.1.0.2 to 11.1.0.7 [Release 10.1 to 11.1]
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Information in this document applies to any platform.
This problem can occur on any platform.

Symptoms

o Unable to start up one node of RAC cluster
o Shutdown the node and on issue of startup it fails with errors.
o This is a critical production RAC cluster
o Unable to start production instance.
o ORA-01105: mount is incompatible with mounts by other instances
ORA-19808: recovery destination parameter mismatch
o Node 2 of the cluster is still running. Node 1 will not start due to above errors.
o Identify cause of errors and advise how to correct them so that the instance will start.

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Verified the issue by the screen shots pasted into the service request showing the errors being
received on startup of the database..

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Cause

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In this Document
Symptoms
Cause
Solution


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