[libvirt-users] migrate a guest from VMware to KVM

[Andrei Perietanu]

>On Thu, Dec 17, 2015 at 12:20 PM, Michal Privoznik <mprivozn at redhat.com>
wrote:

> On 17.12.2015 13:06, Andrei Perietanu wrote:
> > I am trying to migrate a VMware guest to KVM. I have the .vmdk file
> which I
> > convert to qcow2 format using qemu-img convert.
> >
> > The next step is to import the new img file.
> >
> > If I use virt-install --import <guest config options> it all works fine.
> > But when I try the same think using the libvirt API I get the "no boot
> disk
> > found" message when starting the vm.
> >
> > When importing the VM through the libvirtAPI, I use the same xml
> > description virsh outputs (dumpxml) after initially doing the import.
> >
> > xml - the description I got using virsh xmldump <domain name>
> >
> > xmlDesx = xml
> > conn.defineXML(xmlDesc)
> >
> > One other important aspect is I am using a directory storage pool to
> store
> > all my volumes (.img files).
> > When I use virsh to import the vm, the storage pool recognizes the new
> > volume (the .img file I converted from the .vmdk file). But when I use
> the
> > libvirtAPI, it does not.
> >
> > So my guess is that because the storage pool does not see the new volume
> > when I import the vm is the reason I get the "no boot disk found
> message".
> >
> > Is there a way to tell the storage pool about the new volume?
> > What exactly does virsh do and I am not ?
>
> 'virsh pool-refresh' may solve your issue. Then, isn't virt-install
> setting boot order too? If so, you will need to 'virsh edit $dom' and
> adjust the domain XML to set correct boot order once you've attached
> disk to domain.


  I actually need to use the libvirt API for this. So virsh does not solve
my problem.
Plus the xml files are the same, the one I use to import the vm via libvirt
api and the one
virsh dumpxml outputs after importing the vm using virsh --import. So boot
order, or any other
domain configuration is not the issue.

    Andrei

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