This BRARCHIVE command option applies the ofline redo log files to a standby database.
Syntax
-m|-modify [<delay>]
Default value: no delay
delay: sends the created offline redo log files to the standby database before they are processed. There they can be applied with a delay time of <delay> minutes after creating the Oracle offline redo log file.
If there is a standby database, you must call brarchive -m to apply the offline redo log files.
For more information, see Standby Database.