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Exadata/SuperCluster: 11.2 databases missing fix for the bug 13245134 may lead to cell service crash with ora-600 [linuxblockio::reap_1]/ora-600 [cacheput::process_1] or ORA-27626: Exadata error: 242/Smart scan issues on the RDBMS side (Doc ID 2250760.1)

Last updated on FEBRUARY 20, 2019

Applies to:

Oracle Database Cloud Exadata Service - Version N/A and later
Oracle Database Cloud Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Information in this document applies to any platform.

Symptoms

11.2 databases missing fix for the <bug 13245134> may cause the RDBMS to send incorrect payloads to the storage cells during the smart scan operation.

The outcome of the storage server receiving an invalid payload varies depending on Exadata storage server software version.

1. Storage software version <= 12.1.2.3.3

Cellsrv crash with ORA-600 [CachePut::Process_1] or ORA-00600 [linuxblockio::reap_1] 

Exadata error: 242 indicate invalid payload error. 

3. Storage software version >=12.1.2.3.5 or >=12.2.1.1.1

With the code improvements done in the <bug 25765869>, RDBMS will re-execute the query without the smart scan. This prevents the query failure.

Changes

N/A

Cause

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