when i tride to connect RMAN with catalog mode and take backups i found the following error.
$ rman target / catalog rman/rman@RMAN1
Recovery Manager: Release 126.96.36.199.0 - Production on Tue Dec 18 12:28:40 2012
Copyright (c) 1982, 2011, Oracle and/or its affiliates. All rights reserved.
connected to target database: EXE57 (DBID=4220035703)
PL/SQL package RMAN.DBMS_RCVCAT version 11.02.00.01 in RCVCAT database is not current
PL/SQL package RMAN.DBMS_RCVMAN version 11.02.00.01 in RCVCAT database is not current
RMAN> list backup summary;
DBGSQL: RCVCAT> begin dbms_rcvcat.dumpPkgState('RCVCAT after sqlerror');end;DBGSQL: sqlcode = 6550
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-03002: failure of list command at 12/18/2012 12:28:56RMAN-06004: ORACLE error from recovery catalog database: RMAN-20001: target database not found in recovery catalog.
This issue is because, recently we have upgraded the target database and the information is not know to catalog database.
To Resolve this issue we need to upgrade the catalog schema as shown below.
note:you need to connect the catalog from the target database rman utility.