整体架构如下：
准备在主库的节点1连接到备库使用rman重建物理备库的时候报错如下：
[oracle@XXX21DBRAC1 dbs]$ rman target / auxiliary sys/oracle@XXXDB_S
Recovery Manager: Release 11.2.0.3.0 - Production on Tue Apr 23 18:22:37 2013
Copyright (c) 1982, 2011, Oracle and/or its affiliates. All rights reserved.
connected to target database: XXXDB (DBID=1566881586)
RMAN-0...