Booting KVM VM from CD image

Posted on Oct 28, 2014

You may list Your all KVM VM with command:

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[root@kvm3 qemu]# virsh list --all
 Id    Name                           State
----------------------------------------------------
 -     vm1.server.tld               shut off

Edit the config file:

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[root@kvm3 qemu]# virsh edit vm1.server.tld

Add the following lines to the ‘devices’ part:

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<disk type='file' device='cdrom'>
  <driver name='qemu' type='raw'/>
  <source file='/tmp/CentOS-7.0-1406-x86_64-Minimal.iso'/>
  <target dev='hdb' bus='ide'/>
  <readonly/>
  

<address type='drive' controller='0' bus='1' unit='0' />
</disk>

Then find the OS part:

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<os>
    <type arch='x86_64' machine='pc-i440fx-rhel7.0.0'>hvm</type>
    <boot dev='hd'/>
  </os>

And insert the

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<boot dev='cdrom'/>

to look like

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<os>
    <type arch='x86_64' machine='pc-i440fx-rhel7.0.0'>hvm</type>
    <boot dev='cdrom'/>
    <boot dev='hd'/>
  </os

That’s it.
Save the config and boot the VM :)