i have my controlfiles all in a single directory but was just thinking that won't be ideal enough,as shown below.

Code:
SQL> show parameters control_files;

NAME           TYPE                VALUE
-------- ----------- ------------------------------
control_files     string      C:\ORACLE\PRODUCT\10.1.\ORADATA\ORCL_1\CONTROL01.CTL, 
C:\ORACLE\PRODUCT\10.1.0\ORADATA\ORCL_1\CONTROL02.CTL, 
C:\ORACLE\PRODUCT\10.1.0\ORADATA\ORCL_1\CONTROL03.CTL
i need to make a multiplex to a new directory like
''C:\oracle\product\10.1.0\oradata\orcl_1\mulplx\CONTROL04.CTL''
If I do
alter system set control_file=''C:\oracle\product\10.1.0\oradata\orcl_1\CONTROL01.CTL'',''C:\oracle\product\10.1.0\or adata\orcl_1\mulplx\CONTROL04.CTL '' scope = spfile;

Will oracle synchronise the new controlfile withe the old ones even if they are in different directory.
thanks