Document revision date: 30 March 2001

## OpenVMS Cluster Systems

Begin | Index

Contents (summary)
Preface | Preface
Chapter 1 | Introduction to OpenVMS Cluster System Management
Chapter 2 | OpenVMS Cluster Concepts
Chapter 3 | OpenVMS Cluster Interconnect Configurations
Chapter 4 | The OpenVMS Cluster Operating Environment
Chapter 5 | Preparing a Shared Environment
Chapter 6 | Cluster Storage Devices
Chapter 7 | Setting Up and Managing Cluster Queues
Chapter 8 | Configuring an OpenVMS Cluster System
Chapter 9 | Building Large OpenVMS Cluster Systems
Chapter 10 | Maintaining an OpenVMS Cluster System
Appendix A | Cluster System Parameters
Appendix B | Building Common Files
Appendix C | Cluster Troubleshooting
Appendix D | Sample Programs for LAN Control
Appendix E | Subroutines for LAN Control
Appendix F | Troubleshooting the NISCA Protocol
Appendix G | NISCA Transport Protocol Channel Selection and Congestion Control
| Index
| Figures
| Examples
| Tables

## Contents

Preface
Preface | Preface
Chapter 1
1 | Introduction to OpenVMS Cluster System Management
1.1 | Overview
1.1.1 | Uses
1.1.2 | Benefits
1.2 | Hardware Components
1.2.1 | Computers
1.2.2 | Physical Interconnects
1.2.3 | Storage Devices
1.3 | Software Components
1.3.1 | OpenVMS Cluster Software Functions
1.4 | Communications
1.4.1 | System Communications
1.4.2 | Application Communications
1.4.3 | Cluster Alias
1.5 | System Management
1.5.1 | Ease of Management
1.5.2 | Tools and Utilities from Compaq
1.5.3 | System Management Tools from OpenVMS Partners
1.5.4 | Other Configuration Aids
Chapter 2
2 | OpenVMS Cluster Concepts
2.1 | OpenVMS Cluster System Architecture
2.1.1 | Port Layer
2.1.2 | SCS Layer
2.1.3 | System Applications (SYSAPs) Layer
2.1.4 | Other Layered Components
2.2 | OpenVMS Cluster Software Functions
2.2.1 | Functions
2.3 | Ensuring the Integrity of Cluster Membership
2.3.1 | Connection Manager
2.3.2 | Cluster Partitioning
2.3.3 | Quorum Algorithm
2.3.4 | System Parameters
2.3.5 | Calculating Cluster Votes
2.3.6 | Example
2.3.7 | Quorum Disk
2.3.8 | Quorum Disk Watcher
2.3.9 | Rules for Specifying Quorum
2.4 | State Transitions
2.4.1 | Adding a Member
2.4.2 | Losing a Member
2.5 | OpenVMS Cluster Membership
2.5.1 | Cluster Group Number
2.5.2 | Cluster Password
2.5.3 | Location
2.5.4 | Example
2.6 | Synchronizing Cluster Functions by the Distributed Lock Manager
2.6.1 | Distributed Lock Manager Functions
2.6.2 | System Management of the Lock Manager
2.6.3 | Large-Scale Locking Applications
2.7 | Resource Sharing
2.7.1 | Distributed File System
2.7.2 | RMS and Distributed Lock Manager
2.8 | Disk Availability
2.8.1 | MSCP Server
2.8.2 | Device Serving
2.8.3 | Enabling the MSCP Server
2.9 | Tape Availability
2.9.1 | TMSCP Server
2.9.2 | Enabling the TMSCP Server
2.10 | Queue Availability
2.10.1 | Controlling Queues
Chapter 3
3 | OpenVMS Cluster Interconnect Configurations
3.1 | Overview
3.2 | OpenVMS Cluster Systems Interconnected by CI
3.2.1 | Design
3.2.2 | Example
3.2.3 | Star Couplers
3.3 | OpenVMS Cluster Systems Interconnected by DSSI
3.3.1 | Design
3.3.2 | Availability
3.3.3 | Guidelines
3.3.4 | Example
3.4 | OpenVMS Cluster Systems Interconnected by LANs
3.4.1 | Design
3.4.2 | Cluster Group Numbers and Cluster Passwords
3.4.3 | Servers
3.4.4 | Satellites
3.4.5 | Satellite Booting
3.4.6 | Examples
3.4.7 | LAN Bridge Failover Process
3.5 | OpenVMS Cluster Systems Interconnected by MEMORY CHANNEL
3.5.1 | Design
3.5.2 | Examples
3.6 | Multihost SCSI OpenVMS Cluster Systems
3.6.1 | Design
3.6.2 | Examples
3.7 | Multihost Fibre Channel OpenVMS Cluster Systems
3.7.1 | Design
3.7.2 | Examples
Chapter 4
4 | The OpenVMS Cluster Operating Environment
4.1 | Preparing the Operating Environment
4.2 | Installing the OpenVMS Operating System
4.2.1 | System Disks
4.2.2 | Where to Install
4.2.3 | Information Required
4.3 | Installing Software Licenses
4.3.1 | Guidelines
4.4 | Installing Layered Products
4.4.1 | Procedure
4.5 | Configuring and Starting a Satellite Booting Service
4.5.1 | Configuring and Starting the LANCP Utility
4.5.2 | Booting Satellite Nodes with LANCP
4.5.3 | Data Files Used by LANCP
4.5.4 | Using LAN MOP Services in New Installations
4.5.5 | Using LAN MOP Services in Existing Installations
4.5.6 | Configuring DECnet
4.5.7 | Starting DECnet
4.5.8 | What is the Cluster Alias?
4.5.9 | Enabling Alias Operations

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