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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

Deploying VMs using the thin provisioning method


Perform the following steps to get started with VM deployment using the thin provisioning method:

  1. Create two new qcow2 images using /vms/win7.raw as the backing file:

    # qemu-img create -b /vms/win7.img -f qcow2 /vms/vm1.qcow2
    #qemu-img create -b /vms/win7.img -f qcow2 /vms/vm2.qcow2
    
  2. Verify that the backing file attribute for newly created qcow2 images is pointing correctly to the image /vms/win7.raw, using the qemu-img command:

    qemu-img info /vms/vm2.qcow2
    image: /vms/vm2.qcow2
    file format: qcow2
    virtual size: 10G (10737418240 bytes)
    disk size: 196K
    cluster_size: 65536
    backing file: /vms/win7.img
    Format specific information:
      compat: 1.1
      lazy refcounts: false
      refcount bits: 16
      corrupt: false
    
  3. Now deploy the virtual machines named Windows1 and Windows2 using the virt-clone command:

    virt-clone --original-xml=/root/small.xml -f /vms/vm1.qcow2 -n Windows7-01 --preserve-data
    virt-clone --original-xml=/root/large.xml -f /vms/vm2.qcow2 -n Windows7...
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