ServerNet Cluster 6780 Planning and Installation Guide (G06.24+, H06.03+)
ServerNet Cluster 6780 Planning and Installation Guide—527301-004
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About This Guide
This guide describes installing or migrating to ServerNet clusters using 6780 switches 
and the layered topology. It assumes that you are familiar with HP NonStop S-series 
servers, the ServerNet protocol, and networking fundamentals. If you are not familiar 
with these concepts, refer to the NonStop S-Series Server Description Manual. This 
table describes the sections and appendixes of this guide. 
Section Title This section...
1 ServerNet Cluster 
Overview
Introduces the ServerNet Cluster product. It 
describes concepts that are essential to 
understanding the operation of a ServerNet cluster.
2 ServerNet Cluster 
Hardware Description
Describes the ServerNet cluster hardware, including 
the 6780 switches. 
3 Planning for Installation 
and Migration
Describes how to plan the installation of ServerNet 
cluster hardware and software.
4 Preparing a System for 
Installation or Migration
Describes how to prepare a system before installing 
a new ServerNet cluster that uses the layered 
topology, or before migrating a current ServerNet 
cluster to the layered topology.
5 Installing 6780 Switches
Describes how to install or migrate to a ServerNet 
cluster that uses the layered topology.
6 Connecting the Fiber-
Optic Cables
Describes how to connect the fiber-optic cables 
between 6780 switches and nodes or other 
switches.
7 Configuring Expand-
Over-ServerNet Lines
Describes how to configure Expand lines using 
either SCF or OSM.
8 Checking Operations
Describes how to check that a ServerNet cluster is 
operating properly.
9 Changing a ServerNet 
Cluster
Describes how to change the size of an already-
installed ServerNet cluster (without changing the 
topology).
10 Troubleshooting
Describes how to troubleshoot problems that might 
occur during installation.
11 Starting and Stopping 
ServerNet Cluster 
Processes and 
Subsystems
Describes how to start and stop processes required 
for the ServerNet cluster.
Appendix
A Part Numbers
Lists part numbers and service categories for 6780 
switch hardware components.
B Blank Planning Forms
Contains blank copies of Planning Forms. Also 
contains illustrations showing sample connections in 
the layered topology.










