High Disk Read I/O On Standby Database (Doc ID 1481124.1)

Last updated on JANUARY 27, 2017

Applies to:

Oracle Database - Enterprise Edition - Version 10.1.0.2 to 11.2.0.1 [Release 10.1 to 11.2]
Information in this document applies to any platform.

Symptoms

High disk read I-O can be seen in physical standby database when using logwriter (LGWR) to ship the logs to standby.  For example:

 (ref. Doc ID 1481125.1 "How To Trace The Remote File Server (RFS) Process In Physical Standby Database")

 

Changes

 Physical standby database has been set up using log writer to ship the logs to standby.

 

Cause

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