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[libvirt-users] kvm/libvirt can't use vmdk files? qemu: 'vmdk' invalid format



Hi all,

I have a RHEL6.1 qemu-kvm hypervisor running a raw image that I need for various reasons to convert to vmdk.


I used this process:
qemu-img convert server3.img -O vmdk server3.vmdk


Then I edited the XML file (/etc/libvirt/qemu/server3.xml) like so:

<devices>
<emulator>/usr/libexec/qemu-kvm</emulator>
<disk type='file' device='disk'>
<driver name='qemu' type='vmdk'/>
<source file='/raid5/images/guilder3.vmdk'/>
<target dev='hda' bus='ide'/>
<address type='drive' controller='0' bus='0' unit='0'/>
</disk>


Which basically means that I changed raw to vmdk in this line:
<driver name='qemu' type='vmdk'/>


but when I try to start the VM, I get this:



Error starting domain: internal error Process exited while reading console log output: char device redirected to /dev/pts/5
qemu: 'vmdk' invalid format


Traceback (most recent call last):
File "/usr/share/virt-manager/virtManager/asyncjob.py", line 45, in cb_wrapper
    callback(asyncjob, *args, **kwargs)
File "/usr/share/virt-manager/virtManager/engine.py", line 959, in asyncfunc
    vm.startup()
File "/usr/share/virt-manager/virtManager/domain.py", line 1128, in startup
    self._backend.create()
  File "/usr/lib64/python2.7/site-packages/libvirt.py", line 330, in create
    if ret == -1: raise libvirtError ('virDomainCreate() failed', dom=self)
libvirtError: internal error Process exited while reading console log output: char device redirected to /dev/pts/5
qemu: 'vmdk' invalid format


This bit is telling:  qemu: 'vmdk' invalid format


As a test I tried using libvirt to create a vmdk and then add it to an existing VM, and it failed with the same message. Does this mean that libvirt supports vmdk, but qemu-kvm doesn't? IF so, why does libvirt continue to offer it as an option for KVM VM's??


IF this isn't related to libvirt, I apologise, but I'd appreciate any pointers.


kindest regards

Frank
UWA












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