Manuais de utilizador para IBM SG24-5131-00

índice analítico

• Contents

  5
• Figures

  11
• Tables

  13
• Preface

  15
  • The Team That Wrote This Redbook

    16
  • Comments Welcome

    17
• Chapter 1. Certification Overview

  19
  • 1.1 IBM Certified Specialist - AIX HACMP

    19
  • 1.2 Certification Exam Objectives

    20
  • 1.3 Certification Education Courses

    22
• Chapter 2. Cluster Planning

  25
  • 2.1 Cluster Nodes

    25
    • 2.1.1 CPU Options

      25
    • 2.1.2 Cluster Node Considerations

      26
  • 2.2 Cluster Networks

    29
    • 2.2.1 TCP/IP Networks

      29
    • 2.2.2 Non-TCPIP Networks

      32
  • 2.3 Cluster Disks

    34
    • 2.3.1 SSA Disks

      34
    • 2.3.2 SCSI Disks

      44
  • 2.4 Resource Planning

    46
    • 2.4.1 Resource Group Options

      46
    • 2.4.2 Shared LVM Components

      48
    • 2.4.3 IP Address Takeover

      52
    • 2.4.4 NFS Exports and NFS Mounts

      59
  • 2.5 Application Planning

    59
    • 2.5.1 Performance Requirements

      60
    • 2.5.2 Application Startup and Shutdown Routines

      60
    • 2.5.3 Licensing Methods

      61
    • 2.5.4 Coexistence with other Applications

      61
    • 2.5.5 Critical/Non-Critical Prioritizations

      61
  • 2.6 Customization Planning

    62
    • 2.6.1 Event Customization

      62
    • 2.6.2 Error Notification

      63
  • 2.7 User ID Planning

    66
    • 2.7.1 Cluster User and Group IDs

      66
    • 2.7.2 Cluster Passwords

      67
    • 2.7.3 User Home Directory Planning

      67
• Chapter 3. Cluster Hardware and Software Preparation

  69
  • 3.1 Cluster Node Setup

    69
    • 3.1.1 Adapter Slot Placement

      69
    • 3.1.2 Rootvg Mirroring

      69
    • 3.1.3 AIX Prerequisite LPPs

      73
    • 3.1.4 AIX Parameter Settings

      74
  • 3.2 Network Connection and Testing

    78
    • 3.2.1 TCP/IP Networks

      78
    • 3.2.2 Non TCP/IP Networks

      81
  • 3.3 Cluster Disk Setup

    84
    • 3.3.1 SSA

      84
    • 3.3.2 SCSI

      90
  • 3.4 Shared LVM Component Configuration

    99
    • 3.4.1 Creating Shared VGs

      100
    • 3.4.2 Creating Shared LVs and File Systems

      102
    • 3.4.3 Mirroring Strategies

      104
    • 3.4.4 Importing to Other Nodes

      104
    • 3.4.5 Quorum

      106
    • 3.4.6 Alternate Method - TaskGuide

      108
• Chapter 4. HACMP Installation and Cluster Definition

  111
  • 4.1 Installing HACMP

    111
    • 4.1.1 First Time Installs

      111
    • 4.1.2 Upgrading From a Previous Version

      114
  • 4.2 Defining Cluster Topology

    118
    • 4.2.1 Defining the Cluster

      119
    • 4.2.2 Defining Nodes

      119
    • 4.2.3 Defining Adapters

      120
    • 4.2.4 Configuring Network Modules

      123
    • 4.2.5 Synchronizing the Cluster Definition Across Nodes

      124
  • 4.3 Defining Resources

    126
    • 4.3.1 Configuring Resource Groups

      126
  • 4.4 Initial Testing

    129
    • 4.4.1 Clverify

      129
    • 4.4.2 Initial Startup

      130
    • 4.4.3 Takeover and Reintegration

      130
  • 4.5 Cluster Snapshot

    131
    • 4.5.1 Applying a Cluster Snapshot

      132
• Chapter 5. Cluster Customization

  135
  • 5.1 Event Customization

    135
    • 5.1.1 Predefined Cluster Events

      135
    • 5.1.2 Pre- and Post-Event Processing

      140
    • 5.1.3 Event Notification

      140
    • 5.1.4 Event Recovery and Retry

      140
    • 5.1.5 Notes on Customizing Event Processing

      141
    • 5.1.6 Event Emulator

      141
  • 5.2 Error Notification

    141
  • 5.3 Network Modules/Topology Services and Group Services

    142
  • 5.4 NFS considerations

    143
    • 5.4.1 Creating Shared Volume Groups

      143
    • 5.4.2 Exporting NFS File Systems

      144
    • 5.4.3 NFS Mounting

      144
    • 5.4.4 Cascading Takeover with Cross Mounted NFS File Systems

      144
    • 5.4.5 Cross Mounted NFS File Systems and the Network Lock Manager

      146
• Chapter 6. Cluster Testing

  149
  • 6.1 Node Verification

    149
    • 6.1.1 Device State

      149
    • 6.1.2 System Parameters

      150
    • 6.1.3 Process State

      150
    • 6.1.4 Network State

      150
    • 6.1.5 LVM State

      151
    • 6.1.6 Cluster State

      151
  • 6.2 Simulate Errors

    152
    • 6.2.1 Adapter Failure

      152
    • 6.2.2 Node Failure / Reintegration

      155
    • 6.2.3 Network Failure

      156
    • 6.2.4 Disk Failure

      157
    • 6.2.5 Application Failure

      159
• Chapter 7. Cluster Troubleshooting

  161
  • 7.1 Cluster Log Files

    161
  • 7.2 config_too_long

    162
  • 7.3 Deadman Switch

    163
    • 7.3.1 Tuning the System Using I/O Pacing

      164
    • 7.3.2 Extending the syncd Frequency

      164
    • 7.3.3 Increase Amount of Memory for Communications Subsystem

      164
    • 7.3.4 Changing the Failure Detection Rate

      165
  • 7.4 Node Isolation and Partitioned Clusters

    165
  • 7.5 The DGSP Message

    166
  • 7.6 User ID Problems

    167
  • 7.7 Troubleshooting Strategy

    167
• Chapter 8. Cluster Management and Administration

  169
  • 8.1 Monitoring the Cluster

    169
    • 8.1.1 The clstat Command

      170
    • 8.1.2 Monitoring Clusters using HAView

      170
    • 8.1.3 Cluster Log Files

      171
  • 8.2 Starting and Stopping HACMP on a Node or a Client

    172
    • 8.2.1 HACMP Daemons

      173
    • 8.2.2 Starting Cluster Services on a Node

      174
    • 8.2.3 Stopping Cluster Services on a Node

      175
    • 8.2.4 Starting and Stopping Cluster Services on Clients

      177
  • 8.3 Replacing Failed Components

    178
    • 8.3.1 Nodes

      178
    • 8.3.2 Adapters

      178
    • 8.3.3 Disks

      179
  • 8.4 Changing Shared LVM Components

    181
    • 8.4.1 Manual Update

      181
    • 8.4.2 Lazy Update

      182
    • 8.4.3 C-SPOC

      183
    • 8.4.4 TaskGuide

      185
  • 8.5 Changing Cluster Resources

    185
    • 8.5.1 Add/Change/Remove Cluster Resources

      186
    • 8.5.2 Synchronize Cluster Resources

      186
    • 8.5.3 DARE Resource Migration Utility

      187
  • 8.6 Applying Software Maintenance to an HACMP Cluster

    192
  • 8.7 Backup Strategies

    194
    • 8.7.1 Split-Mirror Backups

      194
    • 8.7.2 Using Events to Schedule a Backup

      196
  • 8.8 User Management

    196
    • 8.8.1 Listing Users On All Cluster Nodes

      197
    • 8.8.2 Adding User Accounts on all Cluster Nodes

      197
    • 8.8.3 Changing Attributes of Users in a Cluster

      198
    • 8.8.4 Removing Users from a Cluster

      198
    • 8.8.5 Managing Group Accounts

      199
    • 8.8.6 C-SPOC Log

      199
• Chapter 9. Special RS/6000 SP Topics

  201
  • 9.1 High Availability Control Workstation (HACWS)

    201
    • 9.1.1 Hardware Requirements

      201
    • 9.1.2 Software Requirements

      202
    • 9.1.3 Configuring the Backup CWS

      202
    • 9.1.4 Install High Availability Software

      203
    • 9.1.5 HACWS Configuration

      203
    • 9.1.6 Setup and Test HACWS

      204
  • 9.2 Kerberos Security

    205
    • 9.2.1 Configuring Kerberos Security with HACMP Version 4.3

      207
  • 9.3 VSDs - RVSDs

    208
    • 9.3.1 Virtual Shared Disk (VSDs)

      208
    • 9.3.2 Recoverable Virtual Shared Disk

      211
  • 9.4 SP Switch as an HACMP Network

    213
    • 9.4.1 Switch Basics Within HACMP

      213
    • 9.4.2 Eprimary Management

      214
    • 9.4.3 Switch Failures

      214
• Chapter 10. HACMP Classic vs. HACMP/ES vs. HANFS

  217
  • 10.1 HACMP for AIX Classic

    217
  • 10.2 HACMP for AIX / Enhanced Scalability

    217
    • 10.2.1 IBM RISC System Cluster Technology (RSCT)

      218
    • 10.2.2 Enhanced Cluster Security

      219
  • 10.3 High Availability for Network File System for AIX

    219
  • 10.4 Similarities and Differences

    220
  • 10.5 Decision Criteria

    220
• Appendix A. Special Notices

  223
• Appendix B. Related Publications

  227
  • B.1 International Technical Support Organization Publications

    227
  • B.2 Redbooks on CD-ROMs

    227
  • B.3 Other Publications

    228
• How to Get ITSO Redbooks

  229
  • How IBM Employees Can Get ITSO Redbooks

    229
  • How Customers Can Get ITSO Redbooks

    230
  • IBM Redbook Order Form

    231
• List of Abbreviations

  233
• Index

  235
• ITSO Redbook Evaluation

  239