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  Oracle Database 11 g  : RAC Administration Student Guide D50311GC40 Edition 4.0 December 2012 D78200  Copyright © 2012,Oracle and/or its affiliates. All rights reserved.Disclaimer  This document contains proprietary information and is protected by copyright and other intellectual property laws. You may copy and print this document solely for your own use in an Oracle training course. The document may not be modified or altered in any way. Except where your use constitutes fair use under copyright law, you may not use, share, download, upload, copy, print, display, perform, reproduce, publish, license, post, transmit, or distribute this document in whole or in part without the express authorization of Oracle.The information contained in this document is subject to change without notice. If you find any problems in the document, please report them in writing to: Oracle University, 500 Oracle Parkway, Redwood Shores, California 94065 USA. This document is not warranted to be error-free. Restricted Rights Notice If this documentation is delivered to the United States Government or anyone using the documentation on behalf of the United States Government, the following notice is applicable: U.S. GOVERNMENT RIGHTSThe U.S. Government’s rights to use, modify, reproduce, release, perform, display, or disclose these training materials are restricted by the terms of the applicable Oracle license agreement and/or the applicable U.S. Government contract. Trademark Notice Oracle and Java are registered trademarks of Oracle and/or its affiliates. Other names may be trademarks of their respective owners. Authors James Womack James Spiller  Technical Contributors and Reviewers Christopher AndrewsChristian BauwensHarald Van BreederodeDavid Brower Michael CebullaJonathan CreightonAl FlournoyAndy Fortunak Mark Fuller Joel GoodmanMichael HazelPete JonesMike LeathermanJerry LeeBarb LundhildMarkus MichalewiczPeter SharmanRanbir SinghLinda SmalleyJanet SternRichard StrohmS. Matt Taylor Branislav ValnyJean-Francois Verrier Rick WessmanDoug Williams Editors Aju Kumar Smita KomminiDaniel Milne Publishers Jobi VargheseSujatha Nagendra    iii Contents 1 Grid Infrastructure: Overview Objectives 1-2 Oracle Grid Infrastructure 1-3 What Is a Cluster? 1-4 What Is Clusterware? 1-5 Oracle Clusterware 1-6 Oracle Clusterware Architecture and Services 1-7 Goals for Oracle Clusterware 1-8 Oracle Clusterware Networking 1-9 Oracle Grid Infrastructure for a Cluster 1-11 Oracle Clusterware Initialization 1-12 Clusterware Startup Details 1-13 Clusterware Startup: The OHASD orarootagent 1-15 Clusterware Startup Details: The CRSD orarootagent 1-17 Clusterware Startup Details: The CRSD oraagent 1-18 Clusterware Startup Details: The OHASD oraagent 1-19 Grid Plug and Play 1-20 Grid Naming Service 1-21 Single Client Access Name 1-22 Oracle Automatic Storage Management (ASM) 1-24  ASM Key Features and Benefits 1-25  ASM and Grid Infrastructure 1-26 Quiz 1-27 Summary 1-30 Practice 1 Overview 1-31 2 RAC Concepts Objectives 2-2 Overview of Oracle RAC 2-3 RAC One Node Single-Instance High Availability 2-5 Oracle RAC One Node 2-6 Oracle RAC One Node and Oracle Clusterware 2-7 Cluster-Aware Storage Solutions 2-8 Oracle Cluster File System 2-9 Benefits of Using RAC 2-10    iv Clusters and Scalability 2-11 Levels of Scalability 2-12 Scaleup and Speedup 2-14 Speedup/Scaleup and Workloads 2-15 I/O Throughput Balanced: Example 2-16 Performance of Typical Components 2-17 Necessity of Global Resources 2-18  Additional Memory Requirement for RAC 2-19 Parallel Execution with RAC 2-20 Summary 2-21 3 Installing and Configuring Oracle RAC Objectives 3-2 Installing the Oracle Database Software 3-3 Creating the Cluster Database 3-8 Database Type Selection 3-9 Database Identification 3-10 Cluster Database Management Options 3-11 Passwords for Database Schema Owners 3-12 Database File Locations 3-13 Recovery Configuration 3-14 Database Content 3-15 Initialization Parameters 3-16 Database Storage Options 3-17 Create the Database 3-18 Monitoring Progress 3-19 Postinstallation Tasks 3-20 Checking Managed Targets 3-21 Background Processes Specific to Oracle RAC 3-22 Single Instance  – to-RAC Conversion 3-24 Considerations for Converting Single-Instance Databases to Oracle RAC 3-25 Single-Instance Conversion Using the DBCA 3-26 Conversion Steps 3-27 Single-Instance Conversion Using rconfig 3-30 Quiz 3-32 Summary 3-34 Practice 3 Overview 3-35 4 Oracle RAC Administration Objectives 4-2 Cluster Database Home Page 4-3
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