ORA-00205: error in identifying control file, check alert log for more info

Cause :-

 This error can occur for lost/corrupted any control file.
In my situation I have unfortunately lost one of control file from two files.

Solution :-

Create pfile from spfile > Edit pfile Change "*.control_files=" parameter. Open database using pfile.

SQL> select status from v$instance;

STATUS
------------
STARTED

SQL> alter database mount;
alter database mount
*
ERROR at line 1:
ORA-00205: error in identifying control file, check alert log for more info

SQL> create pfile='D:\pfile.ora' from spfile;

File created.

Now edit pfile

Remove missing control file

SQL> ALTER DATABASE MOUNT;
ALTER DATABASE MOUNT
*
ERROR at line 1:
ORA-00205: error in identifying control file, check alert log for more info

SQL> SHUTDOWN IMMEDIATE;
ORA-01507: database not mounted


ORACLE instance shut down.

SQL> STARTUP PFILE=D:\pfile.ora;
ORACLE instance started.

Total System Global Area  535662592 bytes
Fixed Size                  1375792 bytes
Variable Size             310378960 bytes
Database Buffers          218103808 bytes
Redo Buffers                5804032 bytes
Database mounted.
Database opened.
SQL>

SQL> create spfile from pfile;

File created.