-bash-3.2$ rman target sys/oracle@yhdpri auxiliary sys/oracle@yhdstd nocatalog

Recovery Manager: Release 11.2.0.3.0 - Production on Tue Aug 21 15:44:55 2012

Copyright (c) 1982, 2011, Oracle and/or its affiliates.  All rights reserved.

connected to target database: YHD (DBID=529155495)
using target database control file instead of recovery catalog
connected to auxiliary database: YHD (not mounted)

RMAN> duplicate target database for standby from active database;

Starting Duplicate Db at 21-AUG-12
allocated channel: ORA_AUX_DISK_1
channel ORA_AUX_DISK_1: SID=243 device type=DISK

contents of Memory Script:
{
   backup as copy reuse
   targetfile  '/home/oracle/product/11203/db1/dbs/orapwyhd' auxiliary format
 '/data/oracle/product/11203/db1/dbs/orapwyhd'   ;
}
executing Memory Script

Starting backup at 21-AUG-12
allocated channel: ORA_DISK_1
channel ORA_DISK_1: SID=3 device type=DISK
Finished backup at 21-AUG-12

contents of Memory Script:
{
   backup as copy current controlfile for standby auxiliary format  '/data/oradata/yhdpri/control01.ctl';
   restore clone controlfile to  '/data/oradata/yhdpri/control02.ctl' from
 '/data/oradata/yhdpri/control01.ctl';
}
executing Memory Script

Starting backup at 21-AUG-12
using channel ORA_DISK_1
channel ORA_DISK_1: starting datafile copy
copying standby control file
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03002: failure of Duplicate Db command at 08/21/2012 15:45:09
RMAN-05501: aborting duplication of target database
RMAN-03015: error occurred in stored script Memory Script
RMAN-03009: failure of backup command on ORA_DISK_1 channel at 08/21/2012 15:45:09
ORA-17628: Oracle error 19505 returned by remote Oracle server
 

--之后还是报错:

RMAN> duplicate target database for standby from active database;

Starting Duplicate Db at 21-AUG-12
using channel ORA_AUX_DISK_1

contents of Memory Script:
{
   backup as copy reuse
   targetfile  '/home/oracle/product/11203/db1/dbs/orapwyhd' auxiliary format
 '/data/oracle/product/11203/db1/dbs/orapwyhd'   ;
}
executing Memory Script

Starting backup at 21-AUG-12
using channel ORA_DISK_1
Finished backup at 21-AUG-12

contents of Memory Script:
{
   backup as copy current controlfile for standby auxiliary format  '/data/oradata/yhdpri/control01.ctl';
   restore clone controlfile to  '/data/oradata/yhdpri/control02.ctl' from
 '/data/oradata/yhdpri/control01.ctl';
}
executing Memory Script

Starting backup at 21-AUG-12
using channel ORA_DISK_1
channel ORA_DISK_1: starting datafile copy
copying standby control file
output file name=/home/oracle/product/11203/db1/dbs/snapcf_yhd.f tag=TAG20120821T160149 RECID=12 STAMP=791913709
channel ORA_DISK_1: datafile copy complete, elapsed time: 00:00:01
Finished backup at 21-AUG-12

Starting restore at 21-AUG-12
using channel ORA_AUX_DISK_1


DBGSQL:     TARGET> begin :fhdbi := dbms_rcvcat.getDbid; end;
DBGSQL:        sqlcode = 6550
DBGSQL:         B :fhdbi = 32767
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03002: failure of Duplicate Db command at 08/21/2012 16:02:27
RMAN-05501: aborting duplication of target database
RMAN-03015: error occurred in stored script Memory Script
ORA-06550: line 1, column 17:
PLS-00201: identifier 'DBMS_RCVCAT.GETDBID' must be declared
ORA-06550: line 1, column 7:
PL/SQL: Statement ignored

RMAN>
如果使用的是非catalog，在rman 连接时，加上nocatalog关键字,否则就是上面的错误..