ORA-00205: error in identifying control file
SQL> startup
ORACLE instance started.
Total System Global Area 96468992 bytes
Fixed Size 1278688 bytes
Variable Size 88083744 bytes
Database Buffers 4194304 bytes
Redo Buffers 2912256 bytes
ORA-00205: error in identifying control file, check alert log for more info
SQL> SHOW PARAMETERS control_files
NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
control_files string /opt/oracle/102/dbs/ora_contro
l1, /opt/oracle/102/dbs/ora_co
ntrol2
SQL> SELECT VALUE
FROM V$PARAMETER
WHERE NAME = 'control_files'
/
2 3 4
VALUE
--------------------------------------------------------------------------------
/opt/oracle/102/dbs/ora_control1, /opt/oracle/102/dbs/ora_control2
SQL>