Document revision date: 30 March 2001

Chapter 9
9	Configuring CI OpenVMS Clusters for Availability and Performance
9.1	CI Components
9.2	Configuration Assumptions
9.3	Configuration 1
9.3.1	Components
9.3.2	Advantages
9.3.3	Disadvantages
9.3.4	Key Availability and Performance Strategies
9.4	Configuration 2
9.4.1	Components
9.4.2	Advantages
9.4.3	Disadvantages
9.4.4	Key Availability and Performance Strategies
9.5	Configuration 3
9.5.1	Components
9.5.2	Advantages
9.5.3	Disadvantages
9.5.4	Key Availability and Performance Strategies
9.6	Configuration 4
9.6.1	Components
9.6.2	Advantages
9.6.3	Disadvantages
9.6.4	Key Availability and Performance Strategies
9.7	Summary
Chapter 10
10	Configuring OpenVMS Clusters for Scalability
10.1	What Is Scalability?
10.1.1	Scalable Dimensions
10.2	Strategies for Configuring a Highly Scalable OpenVMS Cluster
10.2.1	Scalability Strategies
10.3	Scalability in CI OpenVMS Clusters
10.3.1	Two-Node CI OpenVMS Cluster
10.3.2	Three-Node CI OpenVMS Cluster
10.3.3	Seven-Node CI OpenVMS Cluster
10.3.4	Guidelines for CI OpenVMS Clusters
10.3.5	Guidelines for Volume Shadowing in CI OpenVMS Clusters
10.4	Scalability in DSSI OpenVMS Clusters
10.4.1	Two-Node DSSI OpenVMS Cluster
10.4.2	Four-Node DSSI OpenVMS Cluster with Shared Access
10.4.3	Four-Node DSSI OpenVMS Cluster with Some Nonshared Access
10.5	Scalability in MEMORY CHANNEL OpenVMS Clusters
10.5.1	Two-Node MEMORY CHANNEL Cluster
10.5.2	Three-Node MEMORY CHANNEL Cluster
10.5.3	Four-Node MEMORY CHANNEL OpenVMS Cluster
10.6	Scalability in SCSI OpenVMS Clusters
10.6.1	Two-Node Fast-Wide SCSI Cluster
10.6.2	Two-Node Fast-Wide SCSI Cluster with HSZ Storage
10.6.3	Three-Node Fast-Wide SCSI Cluster
10.6.4	Four-Node Ultra SCSI Hub Configuration
10.7	Scalability in OpenVMS Clusters with Satellites
10.7.1	Six-Satellite OpenVMS Cluster
10.7.2	Six-Satellite OpenVMS Cluster with Two Boot Nodes
10.7.3	Twelve-Satellite LAN OpenVMS Cluster with Two LAN Segments
10.7.4	Forty-Five Satellite OpenVMS Cluster with FDDI Ring
10.7.5	High-Powered Workstation OpenVMS Cluster
10.7.6	Guidelines for OpenVMS Clusters with Satellites
10.7.7	Extended LAN Configuration Guidelines
10.7.8	System Parameters for OpenVMS Clusters
10.8	Scaling for I/Os
10.8.1	MSCP Served Access to Storage
10.8.2	Disk Technologies
10.8.3	Read/Write Ratio
10.8.4	I/O Size
10.8.5	Caches
10.8.6	Managing "Hot" Files
10.8.7	Volume Shadowing
Chapter 11
11	OpenVMS Cluster System Management Strategies
11.1	Simple and Complex Configurations
11.2	System Disk Strategies
11.2.1	Single System Disk
11.2.2	Multiple System Disks
11.2.3	Multiple System-Disk OpenVMS Cluster
11.2.4	Dividing an OpenVMS Cluster System
11.2.5	Summary: Single Versus Multiple System Disks
11.3	OpenVMS Cluster Environment Strategies
11.3.1	Common Environment
11.3.2	Putting Environment Files on a Separate, Common Disk
11.3.3	Multiple Environments
11.4	Additional Multiple-Environment Strategies
11.4.1	Using Multiple SYSUAF.DAT Files
11.4.2	Using Multiple Queue Managers
11.5	Quorum Strategies
11.5.1	Quorum Strategy Options
11.6	State Transition Strategies
11.6.1	Dealing with State Transitions
11.7	Migration and Warranted Support for Multiple Versions
11.8	Alpha and VAX Systems in the Same OpenVMS Cluster
11.8.1	OpenVMS Cluster Satellite Booting Across Architectures
11.8.2	Restrictions
11.9	Determining Backup and Storage Management Strategies
11.9.1	Steps for Determining a Backup Strategy
11.10	Disk Backup
11.11	Tape Backup
11.11.1	For More Information
11.11.2	Benefits of Unattended Backup
11.11.3	Archive/Backup System for OpenVMS
11.11.4	StorageTek 4400 ACS
11.11.5	Tape-Drive Performance and Capacity

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