Getting ORA-27603 Cell Storage I/O Error And ORA-27626 Exadata error: 2201 (IO cancelled due to slow/hung disk) On 11.2.0.4 Database (Doc ID 2186724.1)

Last updated on MARCH 31, 2017

Applies to:

Oracle Exadata Storage Server Software - Version 11.2.2.4.2 and later
Information in this document applies to any platform.

Symptoms

If you are getting following errors on 11.2.0.4 Database even when the Patch for <Bug 19014915> is in place. Make a note fix for <Bug 19014915> is already included in QUARTERLY DATABASE PATCH FOR EXADATA (JAN2015 - 11.2.0.4.15) - <Patch 20059387>  as per

Bug Fix List: the 11.2.0.4 Patch Bundles for Oracle Exadata Database Machine <Note 1601749.1>

 

ERRORS

==============

ORA-27603: Cell storage I/O error, I/O failed on disk o/192.168.10.9;192.168.10.10/DATAC1_CD_01_MyCellAdm03 at offset 167742799872 for data length 1048576
ORA-27626: Exadata error: 2201 (IO cancelled due to slow/hung disk)
NOTE: ASM has redirected some slow reads to mirror sides to improve performance.

 

Cause

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