| Chapter 8 |
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8
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Configuring OpenVMS Clusters for Availability
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8.1
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Availability Requirements
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8.2
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How OpenVMS Clusters Provide Availability
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8.2.1
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Shared Access to Storage
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8.2.2
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Component Redundancy
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8.2.3
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Failover Mechanisms
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8.2.4
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Related Software Products
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8.3
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Strategies for Configuring Highly Available OpenVMS Clusters
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8.3.1
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Availability Strategies
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8.4
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Strategies for Maintaining Highly Available OpenVMS Clusters
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8.4.1
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Strategies for Maintaining Availability
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8.5
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Availability in a LAN OpenVMS Cluster
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8.5.1
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Components
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8.5.2
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Advantages
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8.5.3
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Disadvantages
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8.5.4
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Key Availability Strategies
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8.6
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Configuring Multiple LANs
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8.6.1
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Selecting MOP Servers
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8.6.2
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Configuring Two LAN Segments
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8.6.3
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Configuring Three LAN Segments
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8.7
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Availability in a DSSI OpenVMS Cluster
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8.7.1
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Components
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8.7.2
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Advantages
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8.7.3
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Disadvantages
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8.7.4
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Key Availability Strategies
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8.8
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Availability in a CI OpenVMS Cluster
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8.8.1
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Components
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8.8.2
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Advantages
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8.8.3
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Disadvantages
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8.8.4
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Key Availability Strategies
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8.9
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Availability in a MEMORY CHANNEL OpenVMS Cluster
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8.9.1
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Components
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8.9.2
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Advantages
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8.9.3
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Disadvantages
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8.9.4
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Key Availability Strategies
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8.10
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Availability in an OpenVMS Cluster with Satellites
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8.10.1
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Components
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8.10.2
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Advantages
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8.10.3
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Disadvantages
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8.10.4
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Key Availability Strategies
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8.11
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Multiple-Site OpenVMS Cluster System
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8.11.1
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Components
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8.11.2
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Advantages
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8.12
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Disaster-Tolerant OpenVMS Cluster Configurations
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| Chapter 9 |
|
9
|
Configuring CI OpenVMS Clusters for Availability and Performance
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9.1
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CI Components
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9.2
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Configuration Assumptions
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9.3
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Configuration 1
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9.3.1
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Components
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9.3.2
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Advantages
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9.3.3
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Disadvantages
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9.3.4
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Key Availability and Performance Strategies
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9.4
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Configuration 2
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9.4.1
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Components
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9.4.2
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Advantages
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9.4.3
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Disadvantages
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9.4.4
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Key Availability and Performance Strategies
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9.5
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Configuration 3
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9.5.1
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Components
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9.5.2
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Advantages
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9.5.3
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Disadvantages
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9.5.4
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Key Availability and Performance Strategies
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9.6
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Configuration 4
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9.6.1
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Components
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9.6.2
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Advantages
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9.6.3
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Disadvantages
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9.6.4
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Key Availability and Performance Strategies
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9.7
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Summary
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| Chapter 10 |
|
10
|
Configuring OpenVMS Clusters for Scalability
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10.1
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What Is Scalability?
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10.1.1
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Scalable Dimensions
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10.2
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Strategies for Configuring a Highly Scalable OpenVMS Cluster
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10.2.1
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Scalability Strategies
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10.3
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Scalability in CI OpenVMS Clusters
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10.3.1
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Two-Node CI OpenVMS Cluster
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10.3.2
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Three-Node CI OpenVMS Cluster
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10.3.3
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Seven-Node CI OpenVMS Cluster
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10.3.4
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Guidelines for CI OpenVMS Clusters
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10.3.5
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Guidelines for Volume Shadowing in CI OpenVMS Clusters
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10.4
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Scalability in DSSI OpenVMS Clusters
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10.4.1
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Two-Node DSSI OpenVMS Cluster
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10.4.2
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Four-Node DSSI OpenVMS Cluster with Shared Access
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10.4.3
|
Four-Node DSSI OpenVMS Cluster with Some Nonshared Access
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10.5
|
Scalability in MEMORY CHANNEL OpenVMS Clusters
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10.5.1
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Two-Node MEMORY CHANNEL Cluster
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10.5.2
|
Three-Node MEMORY CHANNEL Cluster
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10.5.3
|
Four-Node MEMORY CHANNEL OpenVMS Cluster
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10.6
|
Scalability in SCSI OpenVMS Clusters
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10.6.1
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Two-Node Fast-Wide SCSI Cluster
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10.6.2
|
Two-Node Fast-Wide SCSI Cluster with HSZ Storage
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10.6.3
|
Three-Node Fast-Wide SCSI Cluster
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10.6.4
|
Four-Node Ultra SCSI Hub Configuration
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10.7
|
Scalability in OpenVMS Clusters with Satellites
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10.7.1
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Six-Satellite OpenVMS Cluster
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10.7.2
|
Six-Satellite OpenVMS Cluster with Two Boot Nodes
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10.7.3
|
Twelve-Satellite LAN OpenVMS Cluster with Two LAN Segments
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10.7.4
|
Forty-Five Satellite OpenVMS Cluster with FDDI Ring
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10.7.5
|
High-Powered Workstation OpenVMS Cluster
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10.7.6
|
Guidelines for OpenVMS Clusters with Satellites
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|
10.7.7
|
Extended LAN Configuration Guidelines
|
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10.7.8
|
System Parameters for OpenVMS Clusters
|
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10.8
|
Scaling for I/Os
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|
10.8.1
|
MSCP Served Access to Storage
|
|
10.8.2
|
Disk Technologies
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|
10.8.3
|
Read/Write Ratio
|
|
10.8.4
|
I/O Size
|
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10.8.5
|
Caches
|
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10.8.6
|
Managing "Hot" Files
|
|
10.8.7
|
Volume Shadowing
|
