ORA-19565
        BACKUP_TAPE_IO_SLAVES not enabled when duplexing to sequential devices
        
        
        Cause
        An attempt was made to specify duplexing to sequential devices, but the BACKUP_TAPE_IO_SLAVES initialization parameter was not enabled.
        Action
        Specify BACKUP_TAPE_IO_SLAVES=TRUE in the INIT.ORA file, or do not specify duplexing to sequential devices.
        
     
    
    
        ORA-19565
        BACKUP_TAPE_IO_SLAVES not enabled when duplexing to sequential devices
        
        
        Cause
        An attempt was made to specify duplexing to sequential devices, but the BACKUP_TAPE_IO_SLAVES initialization parameter was not enabled.
        Action
        Specify BACKUP_TAPE_IO_SLAVES=TRUE in the INIT.ORA file, or do not specify duplexing to sequential devices.
        
     
    
    
        ORA-19565
        BACKUP_TAPE_IO_SLAVES not enabled when duplexing to sequential devices
        
        
        Cause
        An attempt was made to specify duplexing to sequential devices, but the BACKUP_TAPE_IO_SLAVES initialization parameter was not enabled.
        Action
        Specify BACKUP_TAPE_IO_SLAVES=TRUE in the INIT.ORA file, or do not specify duplexing to sequential devices.