[oracle@dg1 ~]$ rman target sys/oracle@pdbcndba_p auxiliary sys/oracle@pdbcndba_s;

Recovery Manager: Release 12.2.0.1.0 - Production on Thu May 25 17:51:56 2017

Copyright (c) 1982, 2017, Oracle and/or its affiliates.  All rights reserved.

connected to target database: CNDBA (DBID=209386493)
connected to auxiliary database: CNDBA (not mounted)

RMAN> duplicate target database for standby from active database nofilenamecheck dorecover;

Starting Duplicate Db at 25-MAY-17
using target database control file instead of recovery catalog
allocated channel: ORA_AUX_DISK_1
channel ORA_AUX_DISK_1: SID=34 device type=DISK
current log archived
...省略
Finished recover at 25-MAY-17
ORACLE error from auxiliary database: ORA-19527: physical standby redo log must be renamed
ORA-00312: online log 1 thread 1: '/u01/app/oracle/oradata/cndba/redo01.log'

RMAN-05535: warning: All redo log files were not defined properly.
ORACLE error from auxiliary database: ORA-19527: physical standby redo log must be renamed
ORA-00312: online log 2 thread 1: '/u01/app/oracle/oradata/cndba/redo02.log'

RMAN-05535: warning: All redo log files were not defined properly.
ORACLE error from auxiliary database: ORA-19527: physical standby redo log must be renamed
ORA-00312: online log 3 thread 1: '/u01/app/oracle/oradata/cndba/redo03.log'

RMAN-05535: warning: All redo log files were not defined properly.
ORACLE error from auxiliary database: ORA-19527: physical standby redo log must be renamed
ORA-00312: online log 4 thread 0: '/u01/app/oracle/oradata/cndba/stdredo01.log'

RMAN-05535: warning: All redo log files were not defined properly.
ORACLE error from auxiliary database: ORA-19527: physical standby redo log must be renamed
ORA-00312: online log 5 thread 0: '/u01/app/oracle/oradata/cndba/stdredo02.log'

RMAN-05535: warning: All redo log files were not defined properly.
ORACLE error from auxiliary database: ORA-19527: physical standby redo log must be renamed
ORA-00312: online log 6 thread 0: '/u01/app/oracle/oradata/cndba/stdredo03.log'

RMAN-05535: warning: All redo log files were not defined properly.
ORACLE error from auxiliary database: ORA-19527: physical standby redo log must be renamed
ORA-00312: online log 7 thread 0: '/u01/app/oracle/oradata/cndba/stdredo04.log'

RMAN-05535: warning: All redo log files were not defined properly.
Finished Duplicate Db at 25-MAY-17

2 解决方法 ：
http://www.cndba.cn/leo1990/article/1934

[oracle@dg1 dbs]$ pwd
/u01/app/oracle/product/12.1.0/db_1/dbs
添加最后两行
[oracle@dg1 dbs]$ cat initcndba.ora 
*.db_name='cndba'
*.db_unique_name='pdbcndba_p'
*.log_archive_config='dg_config=(pdbcndba_p,pdbcndba_s)'
*.log_archive_dest_1='location=/u01/archive valid_for=(all_logfiles,all_roles) db_unique_name=pdbcndba_p'
*.log_archive_dest_2='service=pdbcndba_s valid_for=(online_logfiles,primary_role)  lgwr affirm sync db_unique_name=pdbcndba_s'
*.log_archive_dest_state_1=enable 
*.log_archive_dest_state_2=enable 
*.standby_file_management='auto'
*.fal_server='pdbcndba_s'
即使参数的两个值相同也要设置
*.log_file_name_convert='/u01/app/oracle/oradata/cndba','/u01/app/oracle/oradata/cndba' 
*.db_file_name_convert='/u01/app/oracle/oradata/cndba','/u01/app/oracle/oradata/cndba'

[oracle@dg1 dbs]$ sqlplus /nolog

SQL*Plus: Release 12.2.0.1.0 Production on Thu May 25 18:09:48 2017

Copyright (c) 1982, 2016, Oracle.  All rights reserved.

SQL> conn /as sysdba
Connected.

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

SQL> conn /as sysdba
Connected to an idle instance.

SQL> create spfile from pfile;

File created.

SQL> startup 
ORACLE instance started.

Total System Global Area 1593835520 bytes
Fixed Size		    8793256 bytes
Variable Size		 1023411032 bytes
Database Buffers	  553648128 bytes
Redo Buffers		    7983104 bytes
Database mounted.
Database opened.

最后执行成功http://www.cndba.cn/leo1990/article/1934http://www.cndba.cn/leo1990/article/1934http://www.cndba.cn/leo1990/article/1934http://www.cndba.cn/leo1990/article/1934

参考https://blogs.oracle.com/database4cn/11g-active-database-duplication-for-a-standby-database

http://www.cndba.cn/leo1990/article/1934http://www.cndba.cn/leo1990/article/1934http://www.cndba.cn/leo1990/article/1934

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