Issue with creating container database with "seed file_name_convert"

Hi!

I am newbie to 12C and just trying understand "seed file_name_convert" behavior. I am trying to create a container database but not sure why file_name_convert is not working as expected.

Thanks in advance..

Ui Hwang

-My init.ora

[oracle@mynode2 dbs]$ cat  initCDB2.ora

control_files=(/u01/app/oracle/oradata/CDB2/controlfile/control1.ora,/u01/app/oracle/oradata/CDB2/controlfile/control2.ora)

db_name=CDB2

enable_pluggable_database=true

-Create database

sqlplus / as sysdba

startup nomount;

create database CDB2 enable pluggable database

seed file_name_convert=('/u01/app/oracle/oradata/CDB2','/u01/app/oracle/oradata/CDB2/pdbseed');