ORA-00600: internal error code, arguments: [kcidr_io_check_common_6], [4], [H:\APP\ADMINISTRATOR\FLASH_RECOVERY_AREA\ORA11G\ORA11G\CONTROL02.CTL], [16384], [1], [0]


ORA-00600: internal error code, arguments: [kcidr_io_check_common_6], 
[4], [H:\APP\ADMINISTRATOR\FLASH_RECOVERY_AREA\ORA11G\
ORA11G\CONTROL02.CTL],
 [16384], [1], [0], [], [], [], [], [], []
ORA-27046: file size is not a multiple of logical block size
OSD-04000: logical block size mismatch (OS 16384)
ORA-00210: cannot open the specified control file
ORA-00202: control file: 'H:\APP\ADMINISTRATOR\FLASH_RECOVERY_AREA\ORA11G\
ORA11G\CONTROL02.CTL'
ORA-27048: skgfifi: file header information is invalid
OSD-04001: invalid logical block size (OS 538984480)

  Cause

Error occurred while trying to startup the database of 11.2.0.1.0 version. 
Database is not mounted and its saying that Controlfile cant be opened.

##########################

Startup

Solution

 11.2.0.1.0

Initially i tried to investigate with the error, ORA-600 which led me saying that this is Bug 13256753
  in this version of the database which is because of the INVALID file name. This answer doesnt satisfy me,
 so i tried to look into the other errors associated with the ORA-600.

So when i looked into the other errors, it shows that Controlfile header is corrupted. I tried to confirm
 it by running DBV which also notified that controlfile header is corrupted.

C:\Users\Administrator>dbv file=H:\APP\ADMINISTRATOR\FLASH_RECOVERY_AREA\ORA11G
\ORA11G\CONTROL02.CTL

DBVERIFY: Release 11.2.0.1.0 - Production on Thu Dec 27 20:04:30 2012
Copyright (c) 1982, 2009, Oracle and/or its affiliates.  All rights reserved.

DBV-00107: Unknown header format (194) (2054913149)

I'm lucky enough to have mirrored controlfiles, so shutdown the database, copied the mirrored
 controlfiles to the corrupted file location and renamed it to the corrupted one.

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