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Re: [et-mgmt-tools] VMware/qemu-kvm-?? migration

On Wednesday 15 July 2009 03:50:32 Richard W.M. Jones wrote:
> On Tue, Jul 14, 2009 at 05:39:45PM -0400, Gene Czarcinski wrote:
> > Is this the mailing list to ask about issues/problems migrating VMware
> > guests to run on qemu-kvm, etc.?
> >
> > If not, please point me to an appropriate mailing list?
> Yes this is good.
> I've actually been playing with manual migration of guests from VMWare
> recently.  This is what I do:
> (1) Export the guest in OVF format (File -> Export -> Export OVF Template)
> (2) Convert the *.vmdk file (disk image) into a raw file:
>   qemu-img convert -f vmdk -O raw *.vmdk image.raw
> (3) Boot the raw image using libvirt.  I create a libvirt
> configuration by hand, but IIRC there is now a tool which does this
> automatically.

Thanks ... I am going to give the above a try.

Before I go too far down this path only to discover that it still will not 
work for me, here is some of what I have done (everything was done on a Fedora 
11 host with preview updates installed and the host processor is an AMD Phenom 
II 940):

1. I have created (under qemu-kvm) a simple F11 guest on a SCSI adapter (qcow2 
format) (I had to do some dancing to use the SCSI adapter) .. this 
installs/runs fine.

2. I then created (under qemu-kvm) a simple F11 guest with an IDE adapter for 
the disk image.  Before booting, I replaced the disk image with a copy of the 
disk image from the SCSI install (1) ... this also runs fine ... qemu-kvm does 
not seem to care about the image that much if it was created under qemu-kvm.

3. I created a simple (no LVM) F11 guest with IDE interface under VMware 
Workstation 6.5.2 where I specified "Workstation 4" comparability so the the 
vmdk file was HWversion=3.  Under qemu-kvm, I created a simple guest with IDE 
for the disk interface and used the vmdk file I created under VMware ... this 
booted up and ran fine!

Now the problem:

4.  Under qemu-kvm I created a simple Fedora guest definition.  I then copied 
and used a VMware F9 guest with a vmdk file which is HWversion=4 and was 
created under VMware on a SCSI interface disk.  To make matters even worse, 
this VMware guest uses the "root" (/) partition on a LVM logical volume.  Boot 
the guest up on qemu-kvm and it immediately crashes because it cannot find 
"root" or see the logical volumes.

5.  I booted up the F9 distribution DVD in rescue mode and the above vmdk disk 
attached ... the disk was "visible" and I could chroot into it.

6.  I examined the disks with guestfish and that worked too.

Should this stuff work?  What am I missing?

BTW, attempting to boot a vmdk disk which is other than HWversion=3, results 
in the same problem although qemu-kvm, etc. does not give any error.

BTW, I have used guestfish with various vmdk files and handles them all even if 
they are other than HWversion=3 or HWversion=4.


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