My Oracle Support Banner

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

Last updated on JANUARY 31, 2018

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]
Oracle Database - Enterprise Edition - Version 12.1.0.2 to 12.1.0.2 [Release 12.1]
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

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:1 AU:646 offset:0 size:1048576
path:/dev/rdsk/c10t60060E8005BCE5000000BCE500000243d0s0
incarnation:0xf0f46246 asynchronous result:'I/O error'
subsys:System iop:0xffffffff78841f40 bufp:0xffffffff774bf000 osderr:0x0 osderr1:0x0
ORA-15080: synchronous I/O operation to a disk failed
WARNING: failed to write mirror side 1 of virtual extent 32 logical extent 0 of file 2390 in group 2 on disk 1 allocation unit 646
*** yyyy-mm-dd hh24:mi:ss.sss 4320 krsh.c
ARC5: Encountered disk I/O error 19502

 

Cause

To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!


In this Document
Symptoms
Cause
Solution

This document is being delivered to you via Oracle Support's Rapid Visibility (RaV) process and therefore has not been subject to an independent technical review.
My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.