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Installing and Managing HP-UX Virtual Partitions (vPars)
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HP Part Number: T1335-90001

Edition: First Edition

Published: November 2001

© Copyright 2001 Hewlett-Packard Company. All rights reserved.

Table of Contents

1 Introduction
Information on This Document
Intended Audience
How This Book is Organized
Where to Get the Latest Version of This Document
What Is vPars?
Product Features
Why Use vPars?
Supported Environments
Hardware
Operating Systems
HP Product Interaction
Ordering Information
Features of Free Versus Purchased Product
2 How vPars Works
Partitioning Using vPars
vPars Monitor
Partition Database
Boot Sequence
Boot Sequence: Quick Reference
Boot Sequence: The Details
Virtual Consoles
Security
3 Managing Virtual Partitions
CPU Allocation
Bound and Unbound CPUs
CPU Migration
Determining Whether to Use Bound or Unbound CPUs
Determining When to Specify a Hardware Path for a Bound CPU
Memory Allocation
Memory Assignment By Size
I/O Allocation
When to Shutdown All Partitions
Monitor Crash Dump
Directory Location and Filenames
Monitor Dump Analysis Tool
Crash Processing
Crash User Interface
System-wide Stable Storage and Setboot
Ignite/UX Network Recovery
Making an Archive of a Partition
Recovering a Partition
Recovering the Entire Computer
Expert Recovery
4 Planning Your Virtual Partitions and Installing vPars
Example Computer
Planning Your Virtual Partitions
Recommended Number of Partitions
Maximum Number of Partitions
Virtual Partition Names
Minimal Hardware Configuration
CPUs
Memory
I/O
Autoboot
Partition Plan
Installation
Related Information
Setting the GSP Terminal Type
Updating Your Ignite Server
Bundle Names
Quality Pack
Increase in Size of /stand File System
Installing vPars Using Ignite/UX
Installing vPars Using Software Distributor
Removing vPars
5 Monitor and Shell Commands
Manpages
Notes on Examples in this Chapter
Syntax of Example Commands
Example Computer
Booting the vPars Monitor
Accessing the Monitor Prompt
Using Monitor Commands
Booting
Displaying Information
Using the Monitor Commands at the ISL Prompt
Creating a Partition
Booting a Partition
Setting and Booting a Partition Using Primary and Alternate Boot Paths
Setting the Primary or Alternate Boot Paths
Booting Using the Primary or Alternate Boot Paths
Shutting Down or Rebooting a Partition
Shutting Down or Rebooting the Computer
Removing a Partition
Autobooting the Monitor and All Virtual Partitions
Obtaining Monitor and Hardware Resource Information
Resetting a Hung Partition
Hard Reset
Soft Reset
Booting a Partition into Single-User Mode
Using Other Boot Options
Maintenance Mode
Overriding Quorum
Simulating the AUTO File on a Partition
Modifying Attributes of a Partition
Adding or Removing Hardware Resources
Adding and Removing CPU Resources
CPU Allocation Syntax In Brief
Adding a CPU as a Bound CPU
Removing a Bound CPU
Migrating an Unbound CPU
Using an Alternate Partition Database File
Example
A Hardware Path to Physical I/O Slot Correspondence
L3000 I/O Block Diagram
N-class I/O Block Diagram
B Problem with Adding Unbound CPUs to an Existing Partition
Symptoms
Cause
Example
The Workaround: Reboot the Target Partition
C Calculating the Size of Kernels in Memory
Calculating the Size of a Kernel
Examples of Using the Calculations
Changing Dynamic Tunables
Migrating OSs from non-vPars Computers to a vPars Computer
Glossary
Index

List of Figures

1-1 vPars Conceptual Diagram
2-1 Computer without vPars
2-2 Software Stack of Computer without vPars
2-3 Computer Block Diagram with n Virtual Partitions (n==2)
2-4 Software Stack for Computer with n Virtual Partitions (n==2)
4-1 Example N-Class Computer
A-1 Title not available (L3000 I/O Block Diagram)
A-2 Title not available (N-class I/O Block Diagram)

List of Tables

5-1 Partition States
   


Chapter 1 Introduction  
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© 2001 Hewlett-Packard Development Company, L.P.