Database Crash With ORA-27063 and OS Error: 5: I/O Error (Doc ID 877549.1)

Last updated on SEPTEMBER 13, 2016

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.2 to 11.2.0.2 [Release 11.2]
Oracle Database - Enterprise Edition - Version 8.1.6.0 to 11.2.0.0 [Release 8.1.6 to 11.2]
Information in this document applies to any platform.
***Checked for relevance on 20-Jul-20115***



Symptoms

Database may crash due to I/O errors depending on the file that reports the error, such as the controlfile.

Alert log may report messages like these:

ORA-00206: error in writing (block 3, # blocks 1) of control file
ORA-00202: control file: '/u04/oradata/symprd/control03.ctl'
ORA-27063: number of bytes read/written is incorrect
SVR4 Error: 5: I/O error
Additional information: -1
Additional information: 16384

 OR

ORA-00345: redo log write error block 24041 count 2
ORA-00312: online log 5 thread 1: '/oradata/bjfhcat/redo05.log'
ORA-27063: number of bytes read/written is incorrect
IBM AIX RISC System/6000 Error: 5: I/O error
Additional information: -1
Additional information: 1024

OR

ORA-01114: IO error writing block to file 3021 (block # 72721)
ORA-27063: skgfospo: number of bytes read/written is incorrect
SVR4 Error: 5: I/O error
Additional information: -1
Additional information: 258048

OR

Errors in file /oracle/product/diag/asm/+asm/+ASM1/trace/+ASM1_ora_21814.trc:
ORA-27063: number of bytes read/written is incorrect
SVR4 Error: 5: I/O error
Additional information: -1
Additional information: 1048576
WARNING: Write Failed. group:2 disk:6 AU:262074 offset:0 size:1048576
Errors in file /oracle/product/diag/asm/+asm/+ASM1/trace/+ASM1_ora_21814.trc:
ORA-27063: number of bytes read/written is incorrect
SVR4 Error: 5: I/O error
Additional information: -1
Additional information: 1048576

OR

ORA-01115: IO error reading block from file 397 (block # 8633)
ORA-01110: data file 397: '/u04/flexpm/traffic_medium26.dbf'
ORA-27063: number of bytes read/written is incorrect
SVR4 Error: 5: I/O error
Additional information: -1
Additional information: 16384

OR

 

Cause

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