I met the ORA-00205 error while I modified the control_files parameter just like the following steps…
SYS@PRODCDB> alter system set control_files='/u01/app/oracle/oradata/PRODCDB/control00001.ctl, /u01/app/oracle/fast_recovery_area/PRODCDB/control02.ctl, /u01/app/oracle/oradata/PRODCDB/control00003.ctl' scope=spfile;
System altered.
SYS@PRODCDB> shu immediate;
Database closed.
Database dismounted.
ORACLE instance shut down.
SYS@PRODCDB> !cp /u01/app/oracle/fast_recovery_area/PRODCDB/control02.ctl /u01/app/oracle/oradata/PRODCDB/control00001.ctl
SYS@PRODCDB> !cp /u01/app/oracle/fast_recovery_area/PRODCDB/control02.ctl /u01/app/oracle/oradata/PRODCDB/control00003.ctl
SYS@PRODCDB> startup
ORACLE instance started.
Total System Global Area 838860800 bytes
Fixed Size 2929936 bytes
Variable Size 608176880 bytes
Database Buffers 222298112 bytes
Redo Buffers 5455872 bytes
ORA-00205: error in identifying control file, check alert log for more info
SYS@PRODCDB>
What is the reason???
RMAN-06004: ORACLE error from recovery catalog database: RMAN-20299: DBMS_RCVMAN package not compatible with the recovery catalog
Solution:

++++++++++++++++ EOF LinHong ++++++++++++++++
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