How to solve database is not mounted

oracle-10g

SQL>    
SQL> alter database mount;    
alter database mount    
*    
ERROR at line 1:    
ORA-00204: error in reading (block 3, # blocks 8) of control file    
ORA-00202: control file:    
'E:\APP\SHAVULHAMEED\FLASH_RECOVERY_AREA\ORCL\CONTROL02.CTL'    
ORA-27070: async read/write failed    
OSD-04006: ReadFile() failure, unable to read from file    
O/S-Error: (OS 1117) The request could not be performed because of an I/O    
device error.

Best Answer

If you have multiple control files then you can try to copy another one over this corrupted one. Otherwise you need to restore it from an (RMAN) backup.

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