NonStop S-Series Server Description Manual (G06.24+)

Hewlett-Packard Company—520331-003
i
HP NonStop S-Series Server
Description Manual
Glossary Index Figures Tables
What’s New in This Manual xiii
Manual Information xiii
New and Changed Information xiii
About This Manual xv
What’s in This Manual xv
Where to Get More Information xvi
Notation Conventions xvii
1. Introduction
Processor Enclosures and I/O Enclosures 1-2
Maximum Server Configuration 1-4
Internal Arrangement of System Enclosures 1-6
Components of Processor Multifunction (PMF) CRU 1-8
Fault-Tolerant Process Communication 1-10
Fault-Tolerant Disk Access 1-12
Maximum Processor Enclosure I/O 1-14
Expansion to Second Processor Enclosure 1-16
Expansion to External I/O Enclosure 1-18
Components of I/O Multifunction (IOMF) CRU
1-20
Multiple I/O Enclosures
1-22
Maximum I/O for a Single Processor Enclosure 1-24
Tetrahedral Topology 1-26
First Triangle of Tetrahedron 1-28
Tetrahedral Topology With Four Processor Enclosures 1-30
Maximum I/O for Four Processor Enclosures 1-32
Extending the Tetrahedral Topology 1-34
Maximum System With Single Server 1-36
ServerNet Clusters 1-36
Cluster Topologies for 6770 Switches 1-38
Star Topology 1-40
Split-Star Topology 1-42