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HP Integrity Virtual Machines: Release Notes
HP Integrity Virtual Machines A.02.00

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HP Part Number: T2767-90033

Published: October 2006, Edition 3.1

© Copyright 2006 Hewlett-Packard Development Company, L.P.

Acknowledgments

Table of Contents

About This Document

Intended Audience
New and Changed Information in This Edition
Typographic Conventions
Document Organization
Related Information
Publishing History
HP Encourages Your Comments

1 Introduction to HP Integrity Virtual Machines

Upgrading from Earlier Versions of Integrity VM
Installing the HP Integrity Virtual Machines Product Over the Evaluation Software
Installing the hpvmmigrate Command
Compatibility with VM Host and Guest Applications

2 New Features and Enhancements in this Version

Integrity VM Command Changes

3 Restrictions

Installing Integrity VM

Integrity VM includes the Foundation Operating Environment
HP-UX patches required in the VM Host
Patches required in the HP-UX Guest
Do not run applications on the VM Host system
Using VM Manager requires the latest WBEM Services on the VM Host
Virtual Machines on autoboot start when Integrity VM is installed
Installing Windows as alternate boot in a VM Host may affect guest boot devices
Do not run vPars and Integrity VM on the same VM Host system or nPAR
Configure multipath support on the VM Host, not in the guests
Using database management products on virtual machines

Creating Virtual Machines

Do not use VM Host to create Ignite-UX golden images for guests
Default guest settings are different for HP-UX and Windows

Installing Guests

Reserving swap space for guests

Windows Guests

HP Insight Manager Automatic Server Recovery does not work
Running Windows guests on a dual core intel Itanium2 processor (Montecito) based system
Installing Windows with removable media is not recommended
Enabling MP Services on Windows guest logs telnetd errors
Using Windows firewall requires ICMP to allow echo
Poor console screen formatting
The hpvmstop command does not shut down Windows guests gracefully

HP-UX Guests

Do not run live kernel debuggers inside a guest
SCSI MPT driver upgrade required in HP-UX 0505 guests
Do not use the iomap(7) command on HP-UX guests
iCAP commands fail on HP-UX guests

Installing the Guest Management Software

Modifying Guests

Integrity VM Commands

Using hpvmmodify -N -s options together causes guest to be inaccessable
The hpvmmodify command reevaluates guest configurations
The hpvmdevmgmt command truncates file sizes
Setting devices to sharable can lead to device conflicts
Errors on displaying guest or vswitch information while that information is being modified
Do not attempt to remove busy virtual devices
Missing uuid or .vmid files
Maintain minimum entitlement

VxVM DMP files not supported as backing stores
Integrity VM does not honor file permissions on backing stores
USB CD/DVD devices are not supported as attachable media and perform slowly as virtual devices
The hpvmmodify command might fail to change a DVD
Virtual FileDVD reverts to original resource statement
Using sam on guest cannot initialize disk
Extending a logical volume backing store corrupts the guest
Management limitations of virtual SCSI devices
Using the mc —b command for attached changers does not work
Attached devices not supported on Windows guests
HP LTT Devperf test may hang on attached tape devices
Installing Integrity VM A.02.00 May Clear SecurePath 3.0F SP1 Settings

Error Logging

Guest error messages for the null storage type
Log messages logged to old log file
Saved MCA or INIT register state can be inaccurate
Modifying the size of the monitor log file
Guest log can grow unbounded
Virtual console logs different from physical machine logs

Do not add user accounts to the hpvmsys group

Starting and Stopping Guests

Do not enter Ctrl/B after starting guest with virtual console
Restoring the NVRAM
Guest LAN devices require an operational virtual network switch
How to stop guests
How to recover from a guest hang

Virtual Console

Virtual console commands
Setting the attention character
Do not use attention characters with the hpvmconsole command
Protocol error
Do not dynamically change virtual device types when the guest has not booted
Error when booting guest: '\efi\hpux\hpux' not found

Virtual Networking

Vswitches are always in SHARED mode
Do not use the HP A5506B PCI 10/100Base-TX 4 Port interface for virtual networking
MAC address validation can be enhanced
Auto port aggregation (APA) is supported on the VM Host, not the guest
Do not run applications that set network devices into promiscuous mode
Do not turn on TSO on the VM Host and on HP-UX guests
Do not configure VLAN vswitches on HP-UX VLANs
For VLANs between VM Host and guests, turn off CKO
Restarting vswitches

Guest Resources

Guest memory must be a multiple of 64MB
Actual running entitlement may differ from configured entitlement

Using HP Serviceguard to Manage Guests

Required HP Serviceguard patches
Enter command to start packages twice
Do not use Integrity VM commands to manage guest packages
Different cluster nodes report virtual machine status differently
Syslog Entries for cmcld can be ignored

Using Virtual Machines Manager (VM Manager) to Manage Guests

Using Virtual Machines Manager (VM Manager) to manage distributed guests

Migrating Virtual Machines

Do not migrate distributed guests
Collect CapAd data before migrating

List of Tables

3-1 VM Host Patches
3-2 Guest Patches
3-3 HP-UX and Windows Guest Default Settings

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© 2006 Hewlett-Packard Development Company, L.P.