Re: [Xen-users] RHEL VMs in HyperV to Xen

[Edward Smith <bm.unpersonal@xxxxxxxxx>]

Hey,
thanks for your response.

Actually it worked.
First I convert the vhd to a fixed size with the MS tool. I then with dd 
I copied to the LV. I can't mount the LV directly, because there are 
some partitions. So I used the kpartx and I be able to mount the 
different partitions.
Could you give me more information how to convert the guest to a PV guest.

Thanks,
Edward


Fajar A. Nugraha wrote:
> On Sun, Dec 13, 2009 at 3:15 AM, Edward Smith <bm.unpersonal@xxxxxxxxx> wrote:
> > Hi,
> > thanks for the suggestions.
> > To resolve part of my problem I copy the entire vhd file from the MS HyperV
> > to the Dom0 machine. Then I create a LV and copied the file to the LV with
> > the dd command. I can mount this.
> err ... that shouldn't work. vhd format is different from raw image
> that you can dd directly. How were you able to mount it?
>
> > My problem now is boot the machine.
> > I changed all the entries "/dev/hdaX" to "/dev/xvdaX" on the fstab file.
> > Also I changed the "root=XXX" entries on the grub, "menu.lst", and in the
> > config file of the VM.
> >
> > But I get always the same error message:
> > Error: (2, 'Invalid kernel', 'xc_dom_parse_elf_kernel: ELF image has no
> > shstrtab\n')
> You should first try to run it as HVM guest. That'd (at least) make
> sure the data convertion was successfull. After that you can  convert
> it to PV using something like this: http://pastebin.com/f6a5022bf
>
> > I suspect this is because the kernel type.
> > To run RHEL guest on xen I need other kernel (a special one with xen
> > paravirtualization)?
> For PV guests, yes. The rpm is called kernel-xen.

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