HP OpenVMS Systems Documentation

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Guidelines for OpenVMS Cluster Configurations

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Appendix B
Appendix B MEMORY CHANNEL Technical Summary
     B.1     Product Overview
         B.1.1         MEMORY CHANNEL Features
         B.1.2         MEMORY CHANNEL Version 2.0 Features
         B.1.3         Hardware Components
         B.1.4         Backup Interconnect for High-Availability Configurations
         B.1.5         Software Requirements
             B.1.5.1             Memory Requirements
             B.1.5.2             Large-Memory Systems' Use of NPAGEVIR Parameter
         B.1.6         Configurations
             B.1.6.1             Configuration Support
     B.2     Technical Overview
         B.2.1         Comparison With Traditional Networks and SMP
         B.2.2         MEMORY CHANNEL in the OpenVMS Cluster Architecture
         B.2.3         MEMORY CHANNEL Addressing
         B.2.4         MEMORY CHANNEL Implementation
Appendix C
Appendix C CI-to-PCI Adapter (CIPCA) Support
     C.1     CIPCA Overview
     C.2     Technical Specifications
     C.3     Configuration Support and Restrictions
         C.3.1         AlphaServer Support
         C.3.2         CI-Connected Host System Compatibility
         C.3.3         Storage Controller Support
         C.3.4         Star Coupler Expander Support
         C.3.5         Configuration Restrictions
     C.4     Installation Requirements
         C.4.1         Managing Bus Addressable Pool (BAP) Size
         C.4.2         AUTOCONFIGURE Restriction for OpenVMS Version 6.2-1H2 and OpenVMS Version 6.2-1H3
     C.5     DECevent for Analyzing CIPCA Errors
     C.6     Performance Recommendations
         C.6.1         Synchronous Arbitration
         C.6.2         Maximizing CIPCA Performance With an HSJ50 and an HSJ80
Appendix D
Appendix D Multiple-Site OpenVMS Clusters
     D.1     What is a Multiple-Site OpenVMS Cluster System?
         D.1.1         ATM, DS3, and FDDI Intersite Links
         D.1.2         Benefits of Multiple-Site OpenVMS Cluster Systems
         D.1.3         General Configuration Guidelines
     D.2     Using FDDI to Configure Multiple-Site OpenVMS Cluster Systems
     D.3     Using WAN Services to Configure Multiple-Site OpenVMS Cluster Systems
         D.3.1         The ATM Communications Service
         D.3.2         The DS3 Communications Service (T3 Communications Service)
         D.3.3         FDDI-to-WAN Bridges
         D.3.4         Guidelines for Configuring ATM and DS3 in an OpenVMS Cluster System
             D.3.4.1             Requirements
             D.3.4.2             Recommendations
         D.3.5         Availability Considerations
         D.3.6         Specifications
     D.4     Managing OpenVMS Cluster Systems Across Multiple Sites
         D.4.1         Methods and Tools
         D.4.2         Shadowing Data
         D.4.3         Monitoring Performance
6-1 Messages Resulting from Manual Path Switch
6-2 Messages Displayed When Other Nodes Detect a Path Switch
7-1 Using wwidmgr -show wwid
7-2 Using wwidmgr -show wwid -full
7-3 Using widmgr -quickset
7-4 Boot Sequence from an FC System Disk
7-5 Setting a Dual HSG to Multibus Failover Mode
7-6 Setting an HSG to SCSI-3 Mode
7-7 Setting the HSG Port Parameters
7-8 Setting Up Logical Units on the HSG
7-9 Configuring the HSG Host Connections
7-10 Enabling Clustering on a Standalone FC Node
7-11 Adding a Node to a Cluster with a Shared FC System Disk
A-1 SHOW DEVICE Command Sample Output
A-2 Adding a Node to a SCSI Cluster
1 OpenVMS Cluster System Components and Features
1-1 Hardware and Operating System Components
6-1 Multibus Failover Configuration
6-2 Direct SCSI to MSCP Served Configuration With One Interconnect
6-3 Direct SCSI to MSCP Served Configuration With Two Interconnects
6-4 Storage Subsystem in Transparent Mode
6-5 Storage Subsystem in Multibus Mode
6-6 Port Addressing for Parallel SCSI Controllers in Multibus Mode
6-7 Port Addressing for Fibre Channel Controllers in Multibus Mode
6-8 Parallel SCSI Configuration With Transparent Failover
6-9 Parallel SCSI Configuration With Multibus Failover and Multiple Paths
6-10 Multiported Parallel SCSI Configuration With Single Interconnect in Transparent Mode
6-11 Multiported Parallel SCSI Configuration With Multiple Paths in Transparent Mode
6-12 Multiported Parallel SCSI Configuration With Multiple Paths in Multibus Mode
6-13 Devices Named Using a Node Allocation Class
6-14 Devices Named Using a Port Allocation Class
6-15 Devices Named Using an HSZ Allocation Class
6-16 Single Host With Two Dual-Ported Storage Controllers and Two Buses
6-17 Single Host With Two Dual-Ported Storage Controllers and Four Buses
6-18 Two Hosts With Shared Buses and Shared Storage Controllers
6-19 Two Hosts With Shared, Multiported Storage Controllers
6-20 Invalid Multipath Configuration
6-21 Fibre Channel Path Naming
6-22 Configuration With Multiple Direct Paths
7-1 Switched Topology (Logical View)
7-2 Switched Topology (Physical View)
7-3 Single Host With One Dual-Ported Storage Controller
7-4 Multiple Hosts With One Dual-Ported Storage Controller
7-5 Multiple Hosts With Storage Controller Redundancy
7-6 Multiple Hosts With Multiple Independent Switches
7-7 Multiple Hosts With Dual Fabrics
7-8 Multiple Hosts With Larger Dual Fabrics
7-9 Multiple Hosts With Four Fabrics
7-10 Fibre Channel Host and Port Addresses
7-11 Fibre Channel Host and Port WWIDs and Addresses
7-12 Fibre Channel Initiator and Target Names
7-13 Fibre Channel Disk Device Naming
8-1 LAN OpenVMS Cluster System
8-2 Two-LAN Segment OpenVMS Cluster Configuration
8-3 Three-LAN Segment OpenVMS Cluster Configuration
8-4 DSSI OpenVMS Cluster System
8-5 CI OpenVMS Cluster System
8-7 OpenVMS Cluster with Satellites
8-8 Multiple-Site OpenVMS Cluster Configuration Connected by WAN Link
9-1 Redundant HSJs and Host CI Adapters Connected to Same CI (Configuration 1)
9-2 Redundant HSJs and Host CI Adapters Connected to Redundant CIs (Configuration 2)
9-3 Redundant Components and Path-Separated Star Couplers (Configuration 3)
9-4 Redundant Components, Path-Separated Star Couplers, and Duplicate StorageWorks Cabinets (Configuration 4)
10-1 OpenVMS Cluster Growth Dimensions
10-2 Two-Node CI OpenVMS Cluster
10-3 Three-Node CI OpenVMS Cluster
10-4 Seven-Node CI OpenVMS Cluster
10-5 Volume Shadowing on a Single Controller
10-6 Volume Shadowing Across Controllers
10-7 Volume Shadowing Across Nodes
10-8 Two-Node DSSI OpenVMS Cluster
10-9 Four-Node DSSI OpenVMS Cluster with Shared Access
10-10 DSSI OpenVMS Cluster with 10 Disks
10-11 Two-Node MEMORY CHANNEL OpenVMS Cluster
10-12 Three-Node MEMORY CHANNEL OpenVMS Cluster
10-13 MEMORY CHANNEL Cluster with a CI Cluster
10-14 Two-Node Fast-Wide SCSI Cluster
10-15 Two-Node Fast-Wide SCSI Cluster with HSZ Storage
10-16 Three-Node Fast-Wide SCSI Cluster
10-17 Four-Node Ultra SCSI Hub Configuration
10-18 Six-Satellite LAN OpenVMS Cluster
10-19 Six-Satellite LAN OpenVMS Cluster with Two Boot Nodes
10-20 Twelve-Satellite OpenVMS Cluster with Two LAN Segments
10-21 Forty-Five Satellite OpenVMS Cluster with FDDI Ring
10-22 High-Powered Workstation Server Configuration
10-23 Comparison of Direct and MSCP Served Access
10-24 Hot-File Distribution
11-1 Common Environment with a Single System Disk
11-2 Simple LAN OpenVMS Cluster with a Single System Disk
11-3 Multiple System Disks in a Common Environment
11-4 Multiple-Environment OpenVMS Cluster
A-1 Key to Symbols Used in Figures
A-2 Highly Available Servers for Shared SCSI Access
A-3 Maximum Stub Lengths
A-4 Conceptual View: Basic SCSI System
A-5 Sample Configuration: Basic SCSI System Using AlphaServer 1000, KZPAA Adapter, and BA350 Enclosure
A-6 Conceptual View: Using DWZZAs to Allow for Increased Separation or More Enclosures
A-7 Sample Configuration: Using DWZZAs to Allow for Increased Separation or More Enclosures
A-8 Sample Configuration: Three Hosts on a SCSI Bus
A-9 Sample Configuration: SCSI System Using Differential Host Adapters (KZPSA)
A-10 Conceptual View: SCSI System Using a SCSI Hub
A-11 Sample Configuration: SCSI System with SCSI Hub Configuration
A-12 Setting Allocation Classes for SCSI Access
A-13 SCSI Bus Topology
A-14 Hot Plugging a Bus Isolator
B-1 MEMORY CHANNEL Hardware Components
B-2 Four-Node MEMORY CHANNEL Cluster
B-3 Virtual Hub MEMORY CHANNEL Cluster
B-4 MEMORY CHANNEL- and SCSI-Based Cluster
B-5 MEMORY CHANNEL CI- and SCSI-Based Cluster
B-7 OpenVMS Cluster Architecture and MEMORY CHANNEL
B-8 Physical Memory and I/O Address Space
B-9 MEMORY CHANNEL Bus Architecture
C-1 CIPCA in a Mixed-Architecture OpenVMS Cluster
C-2 CIPCA in an Alpha OpenVMS Cluster
D-1 Site-to-Site Link Between Philadelphia and Washington
D-2 Multiple-Site OpenVMS Cluster Configuration with Remote Satellites
D-3 ATM/SONET OC-3 Service
D-4 DS3 Service
D-5 Multiple-Site OpenVMS Cluster Configuration Connected by DS3

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