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ORA-01092:

ORACLE instance terminated. Disconnection forced
Cause: The instance this process was connected to was terminated abnormally, probably via a shutdown abort. This process was forced to disconnect from the instance.
Action: Examine the alert log for more details. When the instance has been restarted, retry action.
 SubjectReplies
1.[suse-oracle] dbca fails with ORA-010922
2.ORA-604/ORA-10921