Multipath Failure Causes Database Downtime

(Doc ID 1541064.1)

Last updated on MARCH 21, 2018

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.2 and later
Information in this document applies to any platform.

Symptoms

You experienced several read/write, I/O errors like below on database servers that uses ASM as its storage:

Mon Mar 18 01:22:51 2013
Errors in file /u01/app/oracle/diag/rdbms/demtst/DEMTST/trace/DEMTST_ora_12642.trc:
ORA-27061: waiting for async I/Os failed
Linux-x86_64 Error: 5: Input/output error
Additional information: -1
Additional information: 65536
WARNING: Write Failed. group:1 disk:14 AU:27812 offset:983040 size:65536  
Errors in file /u01/app/oracle/diag/rdbms/demtst/DEMTST/trace/DEMTST_ora_12642.trc:
ORA-15080: synchronous I/O operation to a disk failed
WARNING: failed to write mirror side 1 of virtual extent 3298 logical extent 0 of file 390 in group 1 on disk 14 allocation unit 27812
Mon Mar 18 01:22:51 2013
Errors in file /u01/app/oracle/diag/rdbms/demtst/DEMTST/trace/DEMTST_ckpt_24747.trc:

 

ASM Alert log has not reported any error

 

 

Cause

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