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Exadata : Database Instances are not starting after the Grid Infrastructure upgrade to (Doc ID 1446886.1)

Last updated on SEPTEMBER 28, 2021

Applies to:

Oracle Database - Enterprise Edition - Version to [Release 11.2]
Oracle Database Cloud Schema Service - Version N/A and later
Gen 1 Exadata Cloud at Customer (Oracle Exadata Database Cloud Machine) - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Backup Service - Version N/A and later
Information in this document applies to any platform.


After upgrading the grid infrastructure to, database instances fail to come up.

Alert log file shows, startup hangs at the mount stage . The call stack of DSKM indicates, it was trying to communicate
with the clusterware diskmon process. 


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