[ovirt-users] win 2008 kvm import

Daniel Helgenberger daniel.helgenberger at m-box.de
Fri May 29 08:44:36 UTC 2015

On 29.05.2015 02:53, Grant Pasley wrote:
> hi all,
Hello Grant,
> i am going to migrate a production windows 2008 image that is currently
> running on kvm over to ovirt 3.5.2 this weekend. are there any tips, any
> do's and dont's i should be aware of before doing this?
Well, if waiting for 3.6 is not an option (there, v2v integration is a 
major new feature [1]) you can use manual v2v command line [2] just as 
well. This is non destructive and leaves the original VM intact. Basically:

# virt-v2v -o rhev -osd storage.example.com:/exportdomain --network 
rhevm vm-name

The trick is '-o rhev'.

It basically drops the VM from libvirt on your export domain; it worked 
quite well for me. It also takes care of installing virtio dirvers in 
the image.

There where some pitfalls, though - I can't remember all of them. But 
one is of course your old host needs have NTFS write support in some 
way; and (at leat a year back) there was no package for the virtio 
drivers on CentOS; but they just need to be put in the right place.

> should i install the windows guest tools before moving over or once
> done? what about having to install the virtio drivers when doing and new
> windows vm in order to see the disks, how is this
> achieved with an already created kvm image?

[1] http://www.ovirt.org/Features/virt-v2v_Integration

Daniel Helgenberger
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