Step 3

After restoring the controlfile to "/u02/oracle/testdb/" directory, shutdown the instance and copy just restored controlfile to original locations

$sqlplus

Enter User: / as sysdba
SQL>shutdown immediate;
SQL>Exit
$

Copy controlfile to original locations

$ cp control.ora ./test/control01.ctl
$ cp control.ora ./test/control02.ctl

Step 4

Start RMAN and Start and mount the database

Now give RESTORE DATABASE command

RMAN> restore database

NEXT STEP