RFS Message In LGWR Trace File On Primary Database In Dataguard Environment (Doc ID 2109100.1)

Last updated on MAY 23, 2016

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.1 and later
Information in this document applies to any platform.

Symptoms

Version 11.2.0.3


Problem Summary
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RFS message in LGWR trace file on primary database in Data Guard environment

Problem Description
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RFS message in LGWR trace file on primary database in Data Guard environment.


Here is a snippet of the message:

mtlora01 oracle [oltpp1] - /u01/app/oracle/diag/rdbms/oltpp1/oltpp1/trace > tail -f orcl_lgwr_29950172.trc
RFS message number 73160289 (RFSWRITE)
krsl_reap_io: [BMR] - LGWR Failed to retrieve valid SCN [0x0000.00000000]
*** 2016-01-30 08:44:45.473 1247 krsu.c
RFS message number 73160290 (RFSWRITE)
krsl_reap_io: [BMR] - LGWR Failed to retrieve valid SCN [0x0000.00000000]



Changes

 Using SYNC Redo Transport in Maximum Performance mode instead of ASYNC.

Cause

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