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Master Note: Overview of Redo Logs and Archiving (Doc ID 1503091.1)

Last updated on AUGUST 04, 2018

Applies to:

Oracle Database - Enterprise Edition - Version 10.2.0.1 and later
Information in this document applies to any platform.
***Checked for relevance on 23-May-2016***

Purpose

This note discusses basic information on online and archived Redo Log files and how to manage them within the Oracle Database.

If you want to read more about the same, please refer to the Oracle 11g Documentation at:
http://docs.oracle.com/cd/E11882_01/server.112/e25494/onlineredo.htm#ADMIN007

Details

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In this Document
Purpose
Details
 What is the Redo Log?
 Creating Redo Log Groups
 Forcing Log Switches
 Clearing a Redo Log file
 Redo Log Data Dictionary Views
 What is the Archived Redo log?
 Choosing Between NOARCHIVELOG and ARCHIVELOG Mode
 Running a Database in NOARCHIVELOG Mode
 Running a Database in ARCHIVELOG Mode
 
Performing Manual Archiving
 Adjusting the Number of Archiver Processes
 Setting Initialization Parameters for Archive Destinations
 Archive Destination Status
 Viewing Information About the Archived Redo Log
References

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