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Using Serviceguard Extension for RAC

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HP Part Number: T1859-90017

Edition: Second Edition February 2005 Update

Published: February 2005

© Copyright 2005 Hewlett-Packard Development Company, L.P. All rights reserved

Table of Contents

Printing History

1 Introduction to Serviceguard Extension for RAC

What is a Serviceguard Extension for RAC Cluster?

Group Membership
Using Packages in a Cluster

Serviceguard Extension for RAC Architecture

Group Membership Daemon

How Serviceguard Works with Oracle Real Application Clusters

Configuring Packages for Oracle RAC Instances

Configuring Packages for Oracle Listeners

Node Failure

Larger Clusters

Up to Four Nodes with SCSI Storage
Point to Point Connections to Storage Devices

Extended Distance Cluster Using Serviceguard Extension for RAC

2 Serviceguard Configuration for Oracle RAC

Planning Database Storage

Volume Planning with SLVM
Volume Planning with CVM

Installing Serviceguard Extension for RAC

Configuration File Parameters

Creating a Storage Infrastructure with LVM

Building Volume Groups for RAC on Mirrored Disks
Building Mirrored Logical Volumes for RAC with LVM Commands
Creating RAC Volume Groups on Disk Arrays
Creating Logical Volumes for RAC on Disk Arrays
Oracle Demo Database Files
Displaying the Logical Volume Infrastructure
Exporting the Logical Volume Infrastructure

Installing Oracle Real Application Clusters

Cluster Configuration ASCII File

Creating a Storage Infrastructure with CVM

Initializing the VERITAS Volume Manager
Preparing the Cluster for Use with CVM
Starting the Cluster and Identifying the Master Node
Converting Disks from LVM to CVM
Initializing Disks for CVM
Creating Disk Groups for RAC
Creating Volumes
Oracle Demo Database Files
Adding Disk Groups to the Cluster Configuration

Using Packages to Configure Startup and Shutdown of RAC Instances

Starting Oracle Instances
Creating Packages to Launch Oracle RAC Instances
Configuring Packages that Access the Oracle RAC Database
Adding or Removing Packages on a Running Cluster
Writing the Package Control Script

3 Maintenance and Troubleshooting

Reviewing Cluster and Package States with the cmviewcl Command

Types of Cluster and Package States
Examples of Cluster and Package States

Managing the Shared Storage

Making LVM Volume Groups Shareable
Activating an LVM Volume Group in Shared Mode
Making Changes to Shared Volume Groups
Adding Additional Shared LVM Volume Groups
Changing the VxVM or CVM Storage Configuration

Removing ServiceGuard Extension for RAC from a System

Monitoring Hardware

Using Event Monitoring Service
Using EMS Hardware Monitors
Using HP Predictive Monitoring

Adding Disk Hardware

Replacing Disks

Replacing a Mechanism in a Disk Array Configured with LVM
Replacing a Mechanism in an HA Enclosure Configured with Exclusive LVM
Offline Replacement of a Mechanism in an HA Enclosure Configured with Shared LVM (SLVM)
Replacing a Lock Disk
On-line Hardware Maintenance with In-line SCSI Terminator

Replacement of I/O Cards

Replacement of LAN Cards

Off-Line Replacement
On-Line Replacement
After Replacing the Card

Monitoring RAC Instances

A Blank Planning Worksheets

LVM Volume Group and Physical Volume Worksheet
VxVM Disk Group and Disk Worksheet
Oracle Logical Volume Worksheet

List of Figures

1-1 Overview of Oracle RAC Configuration on HP-UX
1-2 Group Membership Services
1-3 Before Node Failure
1-4 After Node Failure
1-5 Four-Node RAC Cluster
1-6 Eight-Node Cluster with XP or EMC Disk Array
2-1 Serviceguard Manager display for a RAC Instance package
3-1 F/W SCSI Buses with In-line Terminators

List of Tables

1 Title not available (Printing History )
2-1 Required Oracle File Names for Demo Database
2-2 Required Oracle File Names for Demo Database

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