2 Replies Latest reply: Jan 26, 2012 6:19 AM by Michael Kofler RSS

    qcow2 + libvirt problem

    Michael Kofler Newbie

      I have

       

      * machine 1: Fedora 16 with BoxGrinder 0.10

       

      * machine 2: CentOS 6.2, configured as KVM host with libvirt

       

      I want to create a VM with boxgrinder-build and transfer the machine to my KVM host. Delivery plugin: libvirt

       

      setting in /root/.boxgrinder/config:

       

      plugins:

         fedora:

           format: qcow2

         centos:

           format: qcow2

         libvirt:

           connection_uri: qemu+ssh://root@kvmhostname/system                

           image_delivery_uri: sftp://root@kvmhostname/var/lib/libvirt/images

           bus: virtio

           overwrite: true                            

       

      settings in centos.appl:

       

      name: centos6-bg

      summary: CentOS installation with BoxGrinder

      os:

        name: centos

        version: 6

      hardware:

        partitions:

          "/":

            size: 4

      packages:

        - @core

       

      build command:

       

      boxgrinder-build centos62.appl -d libvirt

       

      almost everything works fine, with one minor exception: In the xml file with the virtual machine description for libvirt (/etc/libvirt/qemu/centos62-xxx.xml), the disk image format is raw instead of qcow2:

       

      <domain type='qemu'>

        ...

        <devices>

          <emulator>/usr/libexec/qemu-kvm</emulator>

          <disk type='file' device='disk'>

            <driver name='qemu' type='raw'/>

       

      I have to manually correct this before I can start the virtual machine.

       

      -------------

       

      PS: on http://boxgrinder.org/tutorials/boxgrinder-build-plugins/#libvirt_Delivery_Plugin is a minor typo in the example of the 'bus' option:

       

      # Default: precalculated value, as described above.
      # Examples:
      virt_type: virtio
      virt_type: ide

       

      should be:

       

      # Default: precalculated value, as described above.
      # Examples:
      bus: virtio
      bus: ide