Virtualization Guide

Table of Contents

1. Red Hat Virtualization System Architecture

2. Operating System Support

3. Hardware Support

4. Red Hat Virtualization System Requirements:

5. Booting the System

6. Configuring GRUB

7. Booting a Guest Domain

8. Starting/Stopping a Domain at Boot Time

9. Configuration Files

10. Managing CPUs

11. Migrating a Domain

12. Configuring for Use on a Network

13. Securing Domain0

14. Storage

15. Managing Virtual Machines with virsh

15.1. Connecting to a Hypervisor

15.2. Creating a Virtual Machine

15.3. Configuring an XML Dump

15.4. Suspending a Virtual Machine

15.5. Resuming a Virtual Machine

15.6. Saving a Virtual Machine

15.7. Restoring a Virtual Machine

15.8. Shutting Down a Virtual Machine

15.9. Rebooting a Virtual Machine

15.10. Terminating a Domain

15.11. Converting a Domain Name to a Domain ID

15.12. Converting a Domain ID to a Domain Name

15.13. Converting a Domain Name to a UUID

15.14. Displaying Virtual Machine Information

15.15. Displaying Node Information

15.16. Displaying the Virtual Machines

15.17. Displaying Virtual CPU Information

15.18. Configuring Virtual CPU Affinity

15.19. Configuring Virtual CPU Count

15.20. Configuring Memory Allocation

15.21. Configuring Maximum Memory

16. Managing Virtual Machines Using xend

17. Managing Virtual Machines Using xm

17.1. xm Configuration File

17.1.1. Configuring vfb

17.2. Creating and Managing Domains with xm

17.2.1. Connecting to a Domain

17.2.2. Creating a Domain

17.2.3. Saving a Domain

17.2.4. Terminating a Domain ID

17.2.5. Shutting Down a Domain

17.2.6. Restoring a Domain

17.2.7. Suspending a Domain

17.2.8. Resuming a Domain

17.2.9. Rebooting a Domain

17.2.10. Renaming a Domain

17.2.11. Pausing a Domain

17.2.12. Unpausing a Domain

17.2.13. Converting a Domain Name to Domain ID

17.2.14. Converting a Domain ID to Domain Name

17.2.15. Configuring Memory Allocation

17.2.16. Configuring Maximum Memory

17.2.17. Configuring VCPU Count

17.2.18. Pinning a VCPU

17.2.19. Migrating a Domain

17.3. Monitoring and Diagnostics

17.3.1. Performing a Core Dump

17.3.2. Monitoring Domains in Real Time

17.3.3. Displaying Domain States

17.4. Displaying Uptime

17.5. Displaying VCPU Information

17.6. Displaying Domain Information

17.7. Displaying TPM Devices

17.8. Displaying the xend Log

17.9. Displaying the Message Buffer

17.10. Displaying ACM State Information

17.11. Displaying Vnets

17.12. Displaying Virtual Block Devices

17.13. Displaying Virtual Network Interfaces

17.14. Creating a New Virtual Network Device

17.15. Terminating a Virtual Network Device

17.16. Creating a New Vnet

17.17. Terminating a Vnet

17.18. Creating a Domain Security Label

17.19. Testing the Domain Resources

17.20. Displaying System Resources

17.21. Configuring Credit Scheduling

17.22. Creating a New Virtual Block Device

17.23. Terminating a Virtual Block Device

17.24. Security

17.24.1. Removing a Domain Security Label

17.24.2. Creating a Resource Security Label

17.24.3. Removing a Resource Security Label

17.24.4. Configuring Access Control

17.24.5. Creating a Policy

17.24.6. Loading a Policy

17.24.7. Creating a Policy for Boot Configuration

17.24.8. Creating a Label

17.24.9. Displaying Policy Labels

17.24.10. Displaying Domain Security Labels

17.24.11. Displaying Resource Security Labels

17.24.12. Configuring Access Control Secuirty

17.24.13. Compiling a Security Policy

17.24.14. Loading the Security Policy

17.24.15. Configuring a Boot Security Policy

17.24.16. Displaying Security Labels

17.24.17. Attaching a Security Label

18. Managing Virtual Machines with Virtual Machine Manager

18.1. Virtual Machine Manager Architecture

18.2. The Open Connection Window

18.3. Virtual Machine Manager Window

18.4. Virtual Machine Details Window

18.5. Virtual Machine Graphical Console

18.6. Starting the Virtual Machine Manager

18.7. Creating a New Virtual Machine

18.8. Restoring A Saved Machine

18.9. Displaying Virtual Machine Details

18.10. Configuring Status Monitoring

18.11. Displaying Domain ID

18.12. Displaying Virtual Machine Status

18.13. Displaying Virtual CPUs

18.14. Displaying CPU Usage

18.15. Displaying Memory Usage

19. Red Hat Virtualization Troubleshooting

19.1. Logfile Overview and Locations

19.2. Logfile Descriptions

19.3. Important Directory Locations

19.4. Troubleshooting Tools

19.5. Troubleshooting with the Logs

19.6. Troubleshooting with the Serial Console

19.7. Paravirtualized Guest Console Access

19.8. Full Virtualization Guest Console Access

19.9. SELinux Considerations

19.10. Accessing Data on Guest Disk Image

19.11. Common Troubleshooting Situations

19.12. Loop Device Errors

19.13. Guest Creation Errors

19.14. Serial Console Errors

19.15. Network Bridge Errors

19.16. Laptop Configurations

19.17. Starting Domains Automatically During System Boot

19.18. Modifying Domain0

19.19. Guest Configuration Files

19.20. Cloning the Guest Configuration Files

19.21. Creating a Script to Generate MAC Addresses

19.22. Configuring Virtual Machine Live Migration

19.23. Interpreting Error Messages

19.24. Online Troubleshooting Resources

20. Additional Resources

20.1. Useful Websites

20.2. Installed Documentation

A. Lab 1

B. Lab 2