SQL> show parameter user_dump_dest
NAME                                 TYPE                              VALUE
------------------------------------ --------------------------------- ------------------------------
user_dump_dest                       string                            /u01/app/oracle/diag/rdbms/kin
                                                                       g/wallet/trace
                                                                       
SQL> alter session set tracefile_identifier='trace_control';
Session altered.

SQL> alter database backup controlfile to trace;
Database altered.

[oracle@wallet01 ~]$ cd /u01/app/oracle/diag/rdbms/wallet/wallet/trace

[oracle@wallet01 trace]$ more wallet_ora_28356_trace_control.trc

SQL> shutdown immediate
Database closed.
Database dismounted.
ORACLE instance shut down.

SQL> host rm -rf /u01/app/oracle/oradata/wallet/control01.ctl

SQL> host rm -rf /u02/app/oracle/oradata/wallet/control02.ctl

SQL> startup nomount
ORACLE instance started.

Total System Global Area 1068937216 bytes
Fixed Size                  2260088 bytes
Variable Size             335545224 bytes
Database Buffers          725614592 bytes
Redo Buffers                5517312 bytes

SQL> CREATE CONTROLFILE REUSE DATABASE "WALLET" NORESETLOGS  ARCHIVELOG
    MAXLOGFILES 16
    MAXLOGMEMBERS 3
    MAXDATAFILES 100
    MAXINSTANCES 8
    MAXLOGHISTORY 292
LOGFILE
  GROUP 1 (
    '/u01/app/oracle/oradata/wallet/redo01a.log',
    '/u02/app/oracle/oradata/wallet/redo01b.log'
  ) SIZE 50M BLOCKSIZE 512,
  GROUP 2 (
    '/u01/app/oracle/oradata/wallet/redo02a.log',
    '/u02/app/oracle/oradata/wallet/redo02b.log'
  ) SIZE 50M BLOCKSIZE 512,
  GROUP 3 (
    '/u01/app/oracle/oradata/wallet/redo03a.log',
    '/u02/app/oracle/oradata/wallet/redo03b.log'
  ) SIZE 50M BLOCKSIZE 512
-- STANDBY LOGFILE
DATAFILE
  '/u01/app/oracle/oradata/wallet/system01.dbf',
  '/u01/app/oracle/oradata/wallet/sysaux01.dbf',
  '/u01/app/oracle/oradata/wallet/undotbs01.dbf',
  '/u01/app/oracle/oradata/wallet/users01.dbf',
  '/u01/app/oracle/oradata/wallet/soe01.dbf',
  '/u01/app/oracle/oradata/wallet/soe02.dbf',
CHARACTER SET AL32UTF8;
Control file created.

SQL> shutdown abort    
ORACLE instance shut down.

SQL> startup
ORACLE instance started.

Total System Global Area 1068937216 bytes
Fixed Size                  2260088 bytes
Variable Size             335545224 bytes
Database Buffers          725614592 bytes
Redo Buffers                5517312 bytes
Database mounted.
Database opened.