ServerNet Cluster Manual
Planning for Installation
ServerNet Cluster Manual—520575-003
2-3
Using the Planning Checklist
Plan for Floor Space
Make sure the number of servers that will be 
connected to form a ServerNet cluster is no more 
than 24.
Planning for Floor Space
 on 
page 2-18
Make sure no server will participate in more than 
one cluster at a time.
Planning for Floor Space
 on 
page 2-18
If the servers are already installed . . .
Make sure each cluster switch is no more than 80 
meters (measured by cable length) from the group 
01 enclosure of each server to which it connects.
Locating the Servers and 
Cluster Switches on page 2-19
If the servers are not already installed . . .
Make sure preinstallation planning for the servers 
and peripheral equipment has been or will be 
conducted in accordance with HP standards.
NonStop S-Series Planning and 
Configuration Guide
Make sure the servers can be installed so that the 
group 01 enclosure of each server is no more 
than 80 meters (measured by cable length) from 
the X- and Y-fabric cluster switches to which it 
connects.
Locating the Servers and 
Cluster Switches on page 2-19
Floor Space for the Cluster Switches
Make sure there is enough floor space to 
accommodate the footprint of the X-fabric and Y-
fabric cluster switches, whether installed in switch 
enclosures or in 19-inch racks.
Floor Space for Servicing of 
Cluster Switches on page 2-21
Make sure there is enough space in front and in 
back of the switch enclosures or 19-inch racks for 
servicing.
Floor Space for Servicing of 
Cluster Switches on page 2-21
Plan for Power
Make sure power planning for the servers and 
peripheral equipment has been or will be 
conducted in accordance with HP standards.
NonStop S-Series Planning and 
Configuration Guide and the 
ServerNet Cluster 6770 
Hardware Installation and 
Support Guide
Make sure an AC power source or, preferably, two 
independent AC power sources, are available 
within power-cable distance (8.2 feet (2.5 meters)) 
of each enclosure or 19-inch rack containing a 
cluster switch.
Planning for Power
 on 
page 2-22
Make sure the AC power sources available for 
use by the cluster switches provide the 
appropriate current and voltage levels for 
continuous operation of the switches.
Planning for Power
 on 
page 2-22
Table 2-1. Planning Checklist  (page 2 of 3)
√ Major Planning Step For More Information










