[libvirt-users] Virtualizing a an old SuSE system

[Eric Blake]

On 02/27/2012 05:15 PM, Dale Amon wrote:
> On Mon, Feb 27, 2012 at 11:14:41AM -0700, Eric Blake wrote:
>> On 02/25/2012 07:42 PM, Dale Amon wrote:
>>> I'm in the midst of an attempt to convert an
>>> old and rather large SuSE server (5 disks) into
>>> a virsh loadable VM. Has anyone else dealt with
>>> the issues of systems of this sort? I'm at the
>>> moment trying to hand construct a machine xml
>>> file for it. I managed to create one which would
>>> load but not start.
>>
>> Personally, rather than trying to hand-create XML, I've found it handy
>> to use virt-manager's ability to create a new machine XML description
>> around existing disk images.  That is, use virt-manager to create a new
>> VM, but instead of telling it to install the new machine from scratch,
>> you instead tell it to attach to the pre-existing storage of the
>> eventual guest, and the OS that is installed in that storage, and it
>> generates pretty good defaults for the XML that will then boot that guest.
> 
> Hmmm... this is a very remote (from me) virtual host server.
> I can get a remote xterm but it throws a fit when I try to
> run virt-manager as root over ssh.
> 
>  ERROR:root:Unable to initialize GTK: could not open display
> 
> Suggestions?

Run virt-manager locally, and tell the local virt-manager to connect to
the remote qemu+ssh://root@remote/system, rather than trying to run a
remote X virt-manager.  (Same goes for things like 'virsh -c
qemu+ssh://remote/system' rather than ssh to remote before doing 'virsh
-c qemu:///system')

-- 
Eric Blake   eblake at redhat.com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

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