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Mastering KVM Virtualization

You're reading from   Mastering KVM Virtualization Dive in to the cutting edge techniques of Linux KVM virtualization, and build the virtualization solutions your datacentre demands

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Product type Paperback
Published in Aug 2016
Publisher Packt
ISBN-13 9781784399054
Length 468 pages
Edition 1st Edition
Tools
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Toc

Table of Contents (17) Chapters Close

Preface 1. Understanding Linux Virtualization 2. KVM Internals FREE CHAPTER 3. Setting Up Standalone KVM Virtualization 4. Getting Started with libvirt and Creating Your First Virtual Machines 5. Network and Storage 6. Virtual Machine Lifecycle Management 7. Templates and Snapshots 8. Kimchi – An HTML5-Based Management Tool for KVM/libvirt 9. Software-Defined Networking for KVM Virtualization 10. Installing and Configuring the Virtual Datacenter Using oVirt 11. Starting Your First Virtual Machine in oVirt 12. Deploying OpenStack Private Cloud backed by KVM Virtualization 13. Performance Tuning and Best Practices in KVM 14. V2V and P2V Migration Tools A. Converting a Virtual Machine into a Hypervisor Index

Integrating KVM VMs and OVS


You learned how to create an OVS bridge and were introduced to various Open vSwitch command-line tools. Now it's time to start using Open vSwitch as a virtual networking infrastructure for the KVM virtual machines and experience the features and all the great benefits it provides.

For existing virtual machines, it is good to attach the virtual machine directly to the Open vSwitch bridge by modifying its XML file. Let us take the example of the virtual machine VM001. This VM is currently attached to a regular Linux bridge named br0 on the same host on which we created the vswitch001 OVS bridge. The following procedure demonstrates the steps to migrate VMs from the Linux bridge to the smarter Open vSwitch bridge:

  1. Check the network configuration of the virtual machine. virsh will be handy in performing this task. The dumpxml option prints VM configuration information in XML:

    [root@kvmHOST1 ~]# virsh dumpxml vm001 | grep -i 'interface type' -A 5
    <interface type=...
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