NonStop S-Series System Expansion and Reduction Guide

The Resizing Process
HP NonStop S-Series System Expansion and Reduction Guide—522465-009
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Planning for Resizing
For planning purposes, an IOAM enclosure is equivalent to an S-series I/O enclosure.
In Section 2, Planning System Expansion, examples of blocks using I/O enclosures
also apply to IOAM enclosures. However, IOAM enclosures may only be able to
occupy certain positions in the topology. See you service provider for details.
IOAM enclosures are physically different from I/O enclosures and contain different
components with different slot numbering. IOAM enclosures also require the use of a
maintenance switch to communicate with the Maintenance Entity (ME) in each module
of an IOAM enclosure.
If you are resizing your system with IOAM enclosures, your service provider needs to
consult these publications:
•
Modular I/O Installation and Configuration Guide (in the NTL Hardware Service
and Maintenance collection)
•
NonStop S-Series Planning and Configuration Guide
•
NonStop S-Series Hardware Installation and FastPath Guide
Planning for Resizing
Before you resize your system, review your system planning and make new plans if
necessary. The issues to consider before you resize your system include (but are not
limited to):
Does Your System Have Enough MSEBs and MSEB PICs?
In any system that is expanded, the number of modular ServerNet expansion boards
(MSEBs) and MSEB Plug-in Cards (PICs) must be adequate to support the increased
Topic Page
Does Your System Have Enough MSEBs and MSEB PICs?
1-3
Should You Install a New RVU? 1-4
Topology 1-5
Choosing a Topology 1-5
Benefits of Different Topologies 1-6
Impact on Users 1-6
System Availability 1-6
System Configuration 1-7
Operations 1-7
Moving a System Console 1-7
Site Planning 1-8
Cabling 1-8
Other Issues 1-9