Updated: 11 December 1998

Guidelines for OpenVMS Cluster Configurations

Contents

Preface
Preface	Preface
Chapter 1
1	Overview of OpenVMS Cluster System Configuration
1.1	Mixed Alpha and VAX Clusters
1.2	Hardware Components
1.3	Software Components
1.3.1	OpenVMS Operating System Components
1.3.2	Networking Components
1.3.3	Storage Enhancement Software
1.3.4	System Management Software
1.3.5	Business Applications
1.4	Configuring an OpenVMS Cluster System
1.4.1	General Configuration Rules
Chapter 2
2	Determining Business and Application Requirements
2.1	Determining Business Requirements
2.1.1	Budget
2.1.2	Availability
2.1.3	Scalability and Future Growth
2.1.4	Physical Location Requirements
2.1.5	Security
2.2	Determining Application Requirements
2.2.1	Adding Memory
2.2.2	Balancing Processor, Memory, and I/O Resources
2.2.3	Tools and Utilities
Chapter 3
3	Choosing OpenVMS Cluster Systems
3.1	Alpha and VAX Architectures
3.2	Types of Systems
3.3	Choosing Systems
3.4	Scalability Considerations
3.5	Availability Considerations
3.6	Performance Considerations
3.7	System Specifications
Chapter 4
4	Choosing OpenVMS Cluster Interconnects
4.1	Characteristics
4.2	Comparison of Interconnect Types
4.3	Multiple Interconnects
4.4	Mixed Interconnects
4.5	Interconnects Supported by Alpha and VAX Systems
4.6	Fibre Channel Interconnect
4.6.1	Advantages
4.6.2	Throughput
4.6.3	Supported Adapter
4.7	MEMORY CHANNEL Interconnect
4.7.1	Advantages
4.7.2	Throughput
4.7.3	Supported Adapter
4.8	SCSI Interconnect
4.8.1	Advantages
4.8.2	Throughput
4.8.3	SCSI Interconnect Distances
4.8.4	Supported Adapters, Bus Types, and Computers
4.9	CI Interconnect
4.9.1	Advantages
4.9.2	Throughput
4.9.3	Supported Adapters and Bus Types
4.9.4	Multiple CI Adapters
4.9.5	Configuration Guidelines for CI Clusters
4.10	Digital Storage Systems Interconnect (DSSI)
4.10.1	Advantages
4.10.2	Maintenance Consideration
4.10.3	Throughput
4.10.4	DSSI Adapter Types
4.10.5	Supported Adapters and Bus Types
4.10.6	DSSI-Connected Storage
4.10.7	Multiple DSSI Adapters
4.10.8	Configuration Guidelines for DSSI Clusters
4.11	Ethernet Interconnect
4.11.1	Advantages
4.11.2	Throughput
4.11.3	Multiple Ethernet Load Balancing
4.11.4	Supported Adapters and Buses
4.11.5	Ethernet-to-FDDI Bridges
4.12	Fiber Distributed Data Interface (FDDI)
4.12.1	Advantages
4.12.2	Types of FDDI Nodes
4.12.3	Distance
4.12.4	Throughput
4.12.5	Supported Adapters and Bus Types
4.12.6	Configuration Guidelines for FDDI-Based Clusters
4.12.7	Multiple FDDI Adapters
4.12.8	Multiple FDDI Load Balancing
Chapter 5
5	Choosing OpenVMS Cluster Storage Subsystems
5.1	Understanding Storage Product Choices
5.1.1	Criteria for Choosing Devices
5.1.2	How Interconnects Affect Storage Choices
5.1.3	How Floor Space Affects Storage Choices
5.2	Determining Storage Capacity Requirements
5.2.1	Estimating Disk Capacity Requirements
5.2.2	Additional Disk Capacity Requirements
5.3	Choosing Disk Performance Optimizers
5.3.1	Performance Optimizers
5.4	Determining Disk Availability Requirements
5.4.1	Availability Requirements
5.4.2	Device and Data Availability Optimizers
5.5	CI Based Storage
5.5.1	Supported Controllers and Devices
5.6	DSSI Storage
5.6.1	Supported Devices
5.7	SCSI-Based Storage
5.7.1	Supported Devices
5.8	Fibre Channel Based Storage
5.8.1	Storage Devices
5.9	Host-Based Storage
5.9.1	Internal Buses
5.9.2	Local Adapters

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