Re: [Xen-users] Best way to convert pv to hvm?

[Nico Kadel-Garcia <nkadel@xxxxxxxxx>]

Tim Post wrote:
> I'll run through what I'm thinking once more, a little more coherently.
>
> Step 1 - on the guest, install the packager's kernel, modules, grub,
> configs, everything that you would find on a normal server. 
>
> Step 2 - Stop the guest.
>
> Step 3 - Copy said kernel that you just installed to where you need it
> to be. Boot the guest passing the nfsroot option so that it mounts the
> PV's file system as / , while also passing a blank block device you can
> slice up using the disk tools already present on the PV guest.
>
> Step 4 - Boot, fix udev, copy everything over, take the nfsroot out of
> the equation
>
> Done. Just boot the VM now converted to HVM, nuke the PV guests file
> system since its no longer being used. 
>
> Not sure why you would want to do that, but it seems to be the path of
> least resistance unless of course your'e able to work with lomount /
> fdisk / parted from dom-0 :)
>
> Don't forget the swap space.
>   
Hmmph. Think about this:

1: Power off the old DomU.

2: Mount and make a tarball of the partition.

3: Boot the HVM in live CD or rescue CD or network boot mode. This gives 
you access to the next step.
4: Pre-partition the disk visible iin rescue mode. (There is no need for 
LVM, or extended partitions: you can add new disk drives via Xen later 
if necessary.)
5: Mount the new partitons.

6: Download and extract the tarballs on top of the mounted partitions.

7: Edit the mounted /etc/fstab and /etc/mtab to match your setup.

8: Reboot with the CD or network boots in "install" mode, and do an 
update install. This should get you grub or lilo, configured to match 
your system.
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