RMAN connection error

From: Li Li <litanli_at_gmail.com>
Date: Thu, 2 Aug 2007 16:21:05 -0500
Message-ID: <5f35c2320708021421y6df9d851x12711977d59ef756@mail.gmail.com>

Hi, All,

I was trying to clone my production RAC database to my test box. When I tried to RMAN connect to my production db from my test box (which has the exact same oracle version) and I got the following error, it looked like it cannot access the target host. However I was able to connect to my production db through SQL/PLUS.

Any idea what would be the problem?

TIA,
-Li

[oracle_at_rac_node1 ~]$ $ORACLE_HOME/bin/rman target sys/xxxx_at_proddb auxiliary
/

Recovery Manager: Release 10.2.0.2.0 - Production on Thu Aug 2 15:50:03 2007

RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================

RMAN-00554: initialization of internal recovery manager package failed RMAN-04005: error from target database:
ORA-12545: Connect failed because target host or object does not exist

[oracle_at_rac_node1 ~]$ sqlplus sys/xxxx_at_proddb as sysdba

SQL*Plus: Release 10.2.0.2.0 - Production on Thu Aug 2 15:44:58 2007

Connected to:
Oracle Database 10g Enterprise Edition Release 10.2.0.2.0 - 64bit Production With the Partitioning, Real Application Clusters, OLAP and Data Mining options

SQL>

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Received on Thu Aug 02 2007 - 16:21:05 CDT