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HP Dynamic Root Disk (DRD) manual Copyright 2012 Hewlett-Packard Development Company, L.P

Models: Dynamic Root Disk (DRD)

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© Copyright 2012 Hewlett-Packard Development Company, L.P.

Confidential computer software. Valid license from HP required for possession, use or copying. Consistent with FAR 12.211 and 12.212, Commercial Computer Software, Computer Software Documentation, and Technical Data for Commercial Items are licensed to the U.S. Government under vendor's standard commercial license. The information contained herein is subject to change without notice. The only warranties for HP products and services are set forth in the express warranty statements accompanying such products and services. Nothing herein should be construed as constituting an additional warranty. HP shall not be liable for technical or editorial errors or omissions contained herein. UNIX is a registered trademark of The Open Group.

Revision History

Document Part Number	DRD Version	Supported Operating Systems	Publication Date
5900-2100	A.3.10.*	HP-UX 11i v2	January 2012
		HP-UX 11i v3

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HP Dynamic Root Disk (DRD) manual Copyright 2012 Hewlett-Packard Development Company, L.P

Contents

Dynamic Root Disk A.3.10.* Administrators Guide HP-UX 11i v2, HP-UX 11iCopyright 2012 Hewlett-Packard Development Company, L.P 5 Synchronizing the inactive clone image with the booted system Table of Contents4 Accessing the inactive system image 1 About Dynamic Root Disk7 Rehosting and unrehosting systems 8 Troubleshooting DRDA DRD commands 9 Support and other resourcesDisk Configurations After Activating the Inactive System Image List of FiguresDisk Configurations After Cloning Preparing to Clone the Active System ImageList of Examples The ioscan -m dsf command output on an HP-UX 11i v3 Integrity system1.1 Conceptual overview 1.3 Commands overview1 About Dynamic Root Disk 1.2 Terminology1.4 Downloading and installing Dynamic Root Disk 8 About Dynamic Root Disk2.2 Locating disks 2 Cloning the active system image2.1 The active system image 2.2.1 Locating disks on HP-UX 11i v2 systems2.2.2 Locating disks on HP-UX 11i v3 Integrity systems # /usr/sbin/ioscan -m dsf # /usr/sbin/ioscan -fNnkC disk2.3 Choosing a target disk 2.4 Using other utilities to determine disk availability2.5 Using DRD for limited disk availability checks 2.6 Using drd clone to analyze disk size 2.7 Creating the cloneFigure 2-2 Cloning the Active System Image Example 2-7 The drd clone command output 2.8 Adding or removing a disk 3.1 DRD-Safe commands and Packages 3 Updating and maintaining software on the clone3.2 Updating and managing patches with drd runcmd 3.2.1 DRD-Safe patches and the drdunsafepatchlist file3.3 Updating and managing products with drd runcmd 3.5 Restrictions on update-ux and sw* commands invoked by drd runcmd3.2.2 Patches with special installation instructions 3.4 Special considerations for firmware patches3.6 Viewing logs 4 Accessing the inactive system image 4.1 Mounting the inactive system image4.2 Performing administrative tasks on the inactive system image Example 4-3 Checking a warning message 4.3 Unmounting the inactive system image Unmounts the file systems in the inactive system image Inactivates the inactive system images volume groupFor an LVM-based system, exports the volume group 4.3 Unmounting the inactive system imagePage 5.2 Quick start-basic synchronization 5 Synchronizing the inactive clone image with the booted system5.1 Overview 5.3.2 Trimming the list of files to be synchronized 5.3 The drd sync command5.3.1 Determining the list of files in the booted volume group 2. Files that have changed on the clone 5.3.3 Copying the files to the inactive clone image 5.5 drd sync system shutdown script 5.5 drd sync system shutdown scriptPage 6 Activating the inactive system image 6.1 Preparing the inactive system image to activate laterFor additional information, see the setboot1M manpage 6.2 Undoing activation of the inactive system image 6.2 Undoing activation of the inactive system image36 Activating the inactive system image Example 6-3 Using drd deactivate after activating - agile DSF Page 7.2 Rehosting examples 7 Rehosting and unrehosting systems7.1 Rehosting overview 7.3 Rehosting a mirrored image 7.4 Unrehosting overview Page 8 Troubleshooting DRD Page 9.1 Contacting HP Subscription service9 Support and other resources Before you contact HP9.3 Locating this guide Command9.2 New and changed information in this edition 9.4 Related informationHP-UX manpage. In this example, “find” is the manpage name and “1” find1is the manpage section Page A.1.1 The drd activate command A DRD commandsA.1 DRD command syntax Optionsx extendedoption=value x alternatebootdisk=blockdevicespecialfileExtended options X optionfilex verbosity=3 Default A.1.2 The drd clone commandx reboot=truefalse x copyautofile optionx alternatebootdisk=blockdevicespecialfile t targetdevicefilex extendedoption= value Optionsx reboot=truefalse x enforcedsa=truefalsex HAalternatebootdisk=blockdevicespecialfile x verbosity=3 DefaultOptions A.1.3 The drd deactivate commandx alternatebootdisk=blockdevicespecialfile Extended optionsx verbosity=3 Default A.1.4 The drd mount commandx reboot=truefalse x logfile=/var/opt/drd/drd.logOptions drd mount -? -p -q -v-x extended option=value -x -?-X optionfilex alternatebootdisk=blockdevicespecialfile Extended optionsA.1.5 The drd rehost command x mirrordisk=blockdevicespecialfilef systeminformationfile drd rehost -? -p -f systeminformationfile -q -tdevicespecialfile -v -x extended option=value -x -? -X optionfile t devicespecialfilex extendedoption=value x alternatebootdisk=blockdevicespecialfileExtended options X optionfileOptions A.1.6 The drd runcmd command60 DRD commands x extendedoption=valuex mirrordisk=blockdevicespecialfile x alternatebootdisk=blockdevicespecialfileExtended options Options A.1.7 The drd status commanddrd status -? -q -v -x extended option=value -x -? -X optionfile Extended optionsx reboot=truefalse x alternatebootdisk=blockdevicespecialfilex HAalternatebootdisk=blockdevicespecialfile x verbosity=3 DefaultA.1.8 The drd sync command drd sync -? -p -q -v -x extended option=value -x -? -X optionfileExtended options A.1.9 The drd umount commandOptions x extendedoption=valueOptions drd umount -? -p -q -v -x extended option=value -x -? -X optionfilex alternatebootdisk=blockdevicespecialfile Extended optionsA.1.10 The drd unrehost command x mirrordisk=blockdevicespecialfileExtended options x alternatebootdisk=blockdevicespecialfileOptions f systeminformationfilex logfile=/var/opt/drd/drd.log x reboot=truefalsex verbosity=3 Default x logverbosity=4Page Glossary See Hot recovery therefore persisting across rebootsSystem recovery Veritas Volume ManagerIndex