Database corruption due to lost write while using EMC DATAMOVER (Doc ID 1905184.1)

Last updated on JULY 11, 2014

Applies to:

Oracle Database - Enterprise Edition - Version 11.1.0.6 to 12.1.0.1 [Release 11.1 to 12.1]
Information in this document applies to any platform.

Symptoms

Database corruption caused by stale/old blocks in the Oracle Database. Lost writes to database files, control files using EMC DATAMOVER file systems.


Configuration:

EMC with SRDF/A (Remote replication)

The Oracle Database may produce different errors or wrong results pointing to lost IO or reading a stale/old version of a block:

 

 

Changes

 ASYNC option is enabled at DATAMOVER filesystem.

Example : $ server_param server_2 -facility file -modify asyncUncachedOpt -value 1

Cause

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