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TRANSPORT: Data Guard Protection Modes (Doc ID 239100.1)

Last updated on FEBRUARY 04, 2020

Applies to:

Oracle Database - Enterprise Edition - Version 10.1.0.2 and later
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Express 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
Information in this document applies to any platform.
***Checked for relevance on 21-Sep-2012***
** Checked for relevance '25-Nov-2015' **

Purpose

A Data Guard configuration always runs in one of three data protection modes:

All three modes provide a high degree of data protection, but they differ in terms of the effect that each has on the availability and performance of the primary database.  This document attempts to provide clarification on how each work, their requirements, and how to change the protection mode of a Data Guard environment.

This document supplements the information provided in the Data Guard Concepts and Administration guide and is not a replacement.

Scope

This document is intended for Oracle Data Guard database administrators that would like to understand more about protection levels.

Details

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In this Document
Purpose
Scope
Details
 MAXIMUM PROTECTION 
 MAXIMUM AVAILABILITY
 MAXIMUM PERFORMANCE
 HOW TO CHANGE THE PROTECTION MODE:
References

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