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

(Doc ID 2186724.1)

Last updated on MARCH 31, 2017

Applies to:

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


If you are getting following errors on 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 - - <Patch 20059387>  as per

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




ORA-27603: Cell storage I/O error, I/O failed on disk o/; 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.



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