Installing and Managing HP-UX Virtual Partitions (vPars) Third Edition Manufacturing Part Number : T1335-90018 November 2002 United States © Copyright 2002 Hewlett-Packard Company. All rights reserved.
Legal Notices The information in this document is subject to change without notice. Hewlett-Packard makes no warranty of any kind with regard to this manual, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose. Hewlett-Packard shall not be held liable for errors contained herein or direct, indirect, special, incidental or consequential damages in connection with the furnishing, performance, or use of this material.
iCOD and iCOD CPU Agent Software are products of Hewlett-Packard Company, and all are protected by copyright. Copyright 1979, 1980, 1983, 1985-93 Regents of the University of California. This software is based in part on the Fourth Berkeley Software Distribution under license from the Regents of the University of California. Copyright 1988 Carnegie Mellon University Copyright 1990-1995 Cornell University Copyright 1985, 1986, 1988 Massachusetts Institute of Technology.
IMPORTANT • Second Edition: June 2002, T1335-90012 (vPars version A.02.01 on HP-UX) • First Edition: November 2001, T1335-90001 (vPars version A.01.01 on HP-UX) New information may have been developed after the time of this printing. For the most current information, check the Hewlett-Packard documentation web site at the following URL: http://docs.hp.
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? . . . . . . . . .
Contents When to Shutdown All Virtual Partitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Monitor Crash Dump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Directory Location and Filenames. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Monitor Dump Analysis Tool . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Crash Processing . . . . . . . . . . . . .
Contents Installing vPars Using Software Distributor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93 Updating to the Latest Version of vPars . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95 Applying a vPars Sub-System Patch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97 Removing the vPars Product . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99 From a Single Virtual Partition. . . . .
Contents Overriding Quorum . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Changing the LVM Boot Device Hardware Path for a Virtual Partiton . . . . . . . . . Simulating the AUTO File on a Virtual Partition . . . . . . . . . . . . . . . . . . . . . . . . . . . . Modifying Attributes of a Virtual Partition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Adding or Removing Hardware Resources . . . . . . . . . . . . . . . . . . . . . . . . .
Contents Glossary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 177 Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Contents 10
Tables Table 3-1. Hardware Path Format Rules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .53 Table 5-1. Virtual Partition States . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Tables 12
Figures Figure 1-1. vPars Conceptual Diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19 Figure 1-2. A Superdome Cabinet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20 Figure 2-1. Server without vPars . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34 Figure 2-2. Software Stack of Server without vPars . . . . . . . . . . . . . . . . . . . . . . . . . .35 Figure 2-3.
Figures 14
What is New in this Release This section covers the major points of what is new in vPars A.02.02 relative to vPars A.02.01. For the pre-A.02.02 documentation, please see the HP documentation web site at http://docs.hp.com. • The format for hardware paths has changed. For more information, see “Hardware Path Formats” on page 53. • Supported Systems: The nPartition-able severs rp7410 and rp8400 are now supported.
1 Introduction This chapter covers: Chapter 1 • Information on This Document • What Is vPars? • Why Use vPars? • Supported Environments • Product Interaction • Ordering Information 17
Introduction Information on This Document Information on This Document Intended Audience This document is written for system administrators to help them learn and manage the product HP-UX Virtual Partitions (vPars). How This Book is Organized The first section outlines what is new and changed in this release. Chapters 1, 2, and 3 cover conceptual material needed to understand and plan your vPars environment. Chapters 4 and 5 cover installation and common tasks.
Introduction What Is vPars? What Is vPars? The vPars (Virtual Partitions) product allows you to run multiple instances of HP-UX simultaneously on one hard partition1 by dividing the hard partition further into virtual partitions. Each virtual partition is assigned its own subset of hardware, runs a separate instance of HP-UX, and hosts its own set of applications. Because each HP-UX instance is isolated from all other instances, vPars provides application and OS (Operating System) fault isolation.
Introduction What Is vPars? NOTE Virtual Partitions, nPartitions, and Hard Partitions Defined In this document, we have redefined the terms virtual partitions, nPartitions, and hard partitions: A complex is the entire partitionable server, including both cabinets, all cells, I/O chassis, cables, and power and utility components. A cabinet is the Superdome’s hardware "box", which contains the cells, Guardian Service Processor (GSP), internal I/O chassis, I/O fans, cabinet fans, and power supplies.
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