a0098 oracle database 11g rac admi morebook vn 4413

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Oracle Database
no 11g: RAC
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Administration
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D50311GC11
Edition 1.1

September 2008
D56241

Unauthorized reproduction or distribution prohibitedฺ Copyright© 2009, Oracle and/or its affiliatesฺ


Author

Copyright © 2008, Oracle. All rights reserved.

James Womack

Disclaimer

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Contents

I

Introduction

Overview I-2
Course Objectives I-3
Typical Schedule I-4
A History of Innovation I-5
What Is a Cluster? I-6
Oracle Real Application Clusters I-7
Benefits of Using RAC I-8
Clusters and Scalability I-9
Levels of Scalability I-10
Scaleup and Speedup I-11
Speedup/Scaleup and Workloads I-12
I/O Throughput Balanced: Example I-13
Performance of Typical Components I-14
Complete Integrated Clusterware I-15
Necessity of Global Resources I-16
Global Resources Coordination I-17
Global Cache Coordination: Example I-18
Write to Disk Coordination: Example I-19
Dynamic Reconfiguration I-20
Object Affinity and Dynamic Remastering I-21
Global Dynamic Performance Views I-22
Additional Memory Requirement for RAC I-23
Efficient Internode Row-Level Locking I-24
Parallel Execution with RAC I-25
RAC Software Principles I-26
RAC Software Storage Principles I-27
RAC Database Storage Principles I-28
RAC and Shared Storage Technologies I-29
Oracle Cluster File System I-31
Automatic Storage Management I-32

CFS or Raw? I-33
Typical Cluster Stack with RAC I-34
RAC Certification Matrix I-35

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iii

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RAC and Services I-36
Available Demonstrations I-37
1

Oracle Clusterware Installation and Configuration
Objectives 1-2
Oracle RAC 11g Installation 1-3
Oracle RAC 11g Installation: Outline 1-5
Windows and UNIX Installation Differences 1-6
Preinstallation Tasks 1-7
Hardware Requirements 1-8
Network Requirements 1-9
Virtual IP Addresses and RAC 1-10
RAC Network Software Requirements 1-11
Package Requirements 1-12
Required UNIX Groups and Users 1-13
oracle User Environment 1-14
User Shell Limits 1-15
Configuring for Remote Installation 1-16
Required Directories for the Oracle Database Software 1-18
Linux Operating System Parameters 1-20
Cluster Setup Tasks 1-22
Verifying Cluster Setup with cluvfy 1-23
Installing Oracle Clusterware 1-24
Specifying the Inventory Directory 1-25
Specify Home Details 1-26

Product-Specific Prerequisite Checks 1-27
Cluster Configuration 1-28
Private Interconnect Enforcement 1-29
Oracle Cluster Registry File 1-30
Voting Disk File 1-31
Summary and Install 1-32
Run Configuration Scripts on All Nodes 1-33
End of Installation 1-34
Verifying the Oracle Clusterware Installation 1-35
Summary 1-37
Practice 1: Overview 1-38

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RAC Software Installation
Objectives 2-2
Installing Automatic Storage Management 2-3
Installation Type 2-4
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Install Location 2-5
Hardware Cluster Installation Mode 2-6
Product-Specific Prerequisite Checks 2-7
Select Configuration Option 2-8
Privileged Operating System Groups 2-9
Summary 2-10
Execute Configuration Scripts 2-11
End of Installation 2-12
ASM Configuration 2-13
Creating ASM Disk Groups 2-17
Select a Product to Install 2-19
Select Installation Type 2-20

Install Location 2-21
Specify Cluster Installation 2-22
Products Prerequisite Check 2-23
Select Configuration Option 2-24
Privileged Operating System Groups 2-25
Check Summary 2-26
root.sh Script 2-27
Required Tasks Prior to Database Creation 2-28
Checks Before Database Creation 2-29
Summary 2-31
Practice 2: Overview 2-32

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RRAC Database Creation

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Objectives 3-2
Management Agent Installation: Specify Installation Type
Specify Installation Location 3-4
Specify Cluster Installation Mode 3-5
Prerequisite Check and OMS Location 3-6
Agent Registration Password 3-7
Management Agent Installation Finish 3-8
Executing the root.sh Script 3-9
Creating the Cluster Database 3-10
Node Selection 3-11
Select Database Type 3-12
Database Identification 3-13
Cluster Database Management Method 3-14
Passwords for Database Schema Owners 3-15
Storage Options for Database Files 3-16
ASM Disk Groups 3-18
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Practice 10: Overview

This practice covers the following topics:
• Identifying Oracle Clusterware log files
• Fixing voting disk corruptions

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Oracle Database 11g: RAC Administration 10 - 17


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Unauthorized reproduction or distribution prohibitedฺ Copyright© 2009, Oracle and/or its affiliatesฺ