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Dynamic Root Disk Administrator's Guide: HP-UX 11i v2, HP-UX 11i v3

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HP Part Number: 5992-4098

Edition: 1.0

Published: March 2008

© Copyright 2008 Hewlett-Packard Development Company, L.P.

Table of Contents

About This Document

Intended Audience
Publishing History
Document Organization
Typographic Conventions
Related Information
HP Encourages Your Comments

1 About Dynamic Root Disk

Conceptual Overview
Terminology
Commands Overview
Downloading and Installing Dynamic Root Disk

2 DRD Commands

DRD Command Syntax

Option Descriptions
The drd clone Command
The drd runcmd Command
The drd activate Command
The drd deactivate Command
The drd mount Command
The drd umount Command
The drd status Command

3 Cloning the Active System Image

The Active System Image
Locating System Disks
Choosing a Target Disk
Using LVM and VxVM to Examine Disks
Using drd clone to Get Disk Availability Information
Using drd clone to Analyze Disk Size
Creating the Clone

4 Maintaining Software on the Cloned Image

DRD-Safe Commands and Packages

Managing Patches with drd runcmd

DRD-Safe Patches and the drd_unsafe_patch_list File
Patches with Special Installation Instructions

Managing Products with drd runcmd

Special Considerations for Firmware Patches

Restrictions on sw* Commands Invoked by drd runcmd

Viewing Logs

5 Activating the Inactive System Image

Preparing the Inactive System Image to Activate Later
Undoing Activation of the Inactive System Image

6 Accessing the Inactive System Image

Mounting the Inactive System Image
Performing Administrative Tasks on the Inactive System Image
Unmounting the Inactive System Image

7 Troubleshooting DRD

List of Figures

3-1 Preparing to Clone the Active System Image
3-2 Cloning the Active System Image
3-3 Disk Configurations After Cloning
5-1 Disk Configurations After Activating the Inactive System Image

List of Examples

2-1 File system mount points
3-1 The ioscan -fnkC disk command output on an HP-UX 11i v2 PA-RISC system
3-2 The ioscan -fnkC disk command output on an HP-UX 11i v2 Integrity system
3-3 The drd clone command output
5-1 Booting the primary boot disk with an alternate boot disk (HP-UX 11i v2)
6-1 The drd mount command output
6-2 The bdf command output
6-3 Checking a Warning message
6-4 Creating a patch install file
6-5 Looking for changes to cron jobs
6-6 Editing symlinked files
6-7 The drd umount command output

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© 2008 Hewlett-Packard Development Company, L.P.