IBM SG24-5131-00 manuali

Ibm SG24-5131-00 Manuale Utente (240 pagine)

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IBM Certification Study Guide

1

AIX HACMP

1

May 1999

3

Contents

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© Copyright IBM Corp. 1999 ix

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© Copyright IBM Corp. 1999 xi

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Comments Welcome

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© Copyright IBM Corp. 1999 1

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Section 1 - Preinstallation

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Certification Overview 3

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Certification Overview 5

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Chapter 2. Cluster Planning

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Cluster Planning 9

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2.2 Cluster Networks

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2.2.1 TCP/IP Networks

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Cluster Planning 13

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2.2.2 Non-TCPIP Networks

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2.3 Cluster Disks

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2.3.1 SSA Disks

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Cluster Planning 17

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Table 8. SSA Disks

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Table 9. SSA Adapters

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Cluster Planning 21

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RAID Technology

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RAID Level 0

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RAID Level 1

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RAID Levels 2 and 3

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RAID Level 4

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RAID Level 5

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Cluster Planning 25

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2.3.2 SCSI Disks

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Dual Active

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2.4 Resource Planning

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2.4.1 Resource Group Options

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Inactive Takeover

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2.4.2 Shared LVM Components

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Cluster Planning 31

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Mutual Takeover Configuration

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Cluster Planning 33

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2.4.3 IP Address Takeover

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Single Network

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Dual Network

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Point-to-Point Connection

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Network Name

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Network Attribute

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Adapter Label

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Adapter Function

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Cluster Planning 39

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file and, if

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2.5 Application Planning

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HACMP for

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HACMP for AIX Planning Guide

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2.5.3 Licensing Methods

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2.6 Customization Planning

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2.6.1 Event Customization

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2.6.2 Error Notification

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<en_method>

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2.7 User ID Planning

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2.7.2 Cluster Passwords

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3.1 Cluster Node Setup

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3.1.1 Adapter Slot Placement

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3.1.2 Rootvg Mirroring

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3.1.3 AIX Prerequisite LPPs

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3.1.4 AIX Parameter Settings

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3.2.1 TCP/IP Networks

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3.2.2 Non TCP/IP Networks

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3.3 Cluster Disk Setup

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3.3.1 SSA

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Adapter Router

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Adapter Definitions

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Disk Definitions

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Diagnostics

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Upgrade Instructions

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3.3.2 SCSI

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SCSI Adapters

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RAID Enclosures

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# chdev -l scsi1 -a id=6 -P

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# chdev -l ascsi1 -a id=6 -P

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3.4.1 Creating Shared VGs

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Subsystems

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Table 16. smit crjfs Options

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3.4.3 Mirroring Strategies

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Table 18. smit crjfs Options

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3.4.5 Quorum

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Quorum Disabled

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Quorum Enabled

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Forcing a Varyon

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4.1 Installing HACMP

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4.1.1 First Time Installs

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Check Upgraded Configuration

116

Client-only Migration

117

4.2.1 Defining the Cluster

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4.2.2 Defining Nodes

119

4.2.3 Defining Adapters

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HACMP Installation Guide

121

HACMP for AIX

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Version 4.3:Planning Guide

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HACMP for AIX, Version 4.3:

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Administration Guide

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Fibrillate Count

124

Table 19

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4.3 Defining Resources

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4.4 Initial Testing

129

4.4.1 Clverify

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4.4.2 Initial Startup

130

4.5 Cluster Snapshot

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5.1 Event Customization

135

Cluster Customization 119

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Cluster Customization 121

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5.1.3 Event Notification

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5.1.6 Event Emulator

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5.2 Error Notification

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Fast, Normal

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5.4 NFS considerations

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5.4.3 NFS Mounting

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/bfs locally mounted

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/bfs nfs-exported

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/afs locally mounted

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/afs nfs-exported

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Chapter 6. Cluster Testing

149

6.1.2 System Parameters

150

6.1.3 Process State

150

6.1.4 Network State

150

6.1.5 LVM State

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6.1.6 Cluster State

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6.2 Simulate Errors

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6.2.1 Adapter Failure

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Cluster Testing 135

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Cluster Testing 137

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6.2.3 Network Failure

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6.2.4 Disk Failure

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6.2.5 Application Failure

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/var/adm/cluster.log

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/tmp/hacmp.out

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7.2 config_too_long

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7.3 Deadman Switch

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Cluster Troubleshooting 147

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7.5 The DGSP Message

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) is sent

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7.6 User ID Problems

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7.7 Troubleshooting Strategy

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8.1 Monitoring the Cluster

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8.1.1 The clstat Command

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8.1.3 Cluster Log Files

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file resides on the

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8.2.1 HACMP Daemons

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Start Cluster Services SMIT

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# Bring up Cluster

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8.3.1 Nodes

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8.3.2 Adapters

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8.3.3 Disks

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8.4.1 Manual Update

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8.4.2 Lazy Update

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8.4.3 C-SPOC

183

8.4.4 TaskGuide

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Concepts and Facilities

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Sticky Resource Migration

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Non-Sticky Resource Migration

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Node Name

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Default Location

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Stop Location

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Stopping Resource Groups

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System A System B

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8.7 Backup Strategies

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8.7.1 Split-Mirror Backups

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8.8 User Management

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8.8.6 C-SPOC Log

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9.1.1 Hardware Requirements

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9.1.2 Software Requirements

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9.1.5 HACWS Configuration

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9.1.6 Setup and Test HACWS

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9.2 Kerberos Security

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Kerberos

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9.3 VSDs - RVSDs

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Managing Shared Disks

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Undefined

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Suspended

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Fast IP Network

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9.4.2 Eprimary Management

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9.4.3 Switch Failures

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10.1 HACMP for AIX Classic

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/.rhosts remote command

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10.5 Decision Criteria

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Enhanced Scalability

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Appendix A. Special Notices

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Special Notices 207

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B.2 Redbooks on CD-ROMs

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B.3 Other Publications

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How to Get ITSO Redbooks

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IBM Redbook Order Form

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List of Abbreviations

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ITSO Redbook Evaluation

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Printed in the U.S.A

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SG24-5131-00

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