recovery using the BACKUP CONTROLFILE option must be done
CauseEither an earlier database recovery session specified BACKUP CONTROLFILE, or the control file was recreated with the RESETLOGS option, or the control file being used is a backup control file. After that only BACKUP CONTROLFILE recovery is allowed and it must be followed by a log reset at the next database open.
ActionPerform recovery using the BACKUP CONTROFILE option.
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