migrate libvirt config between machines

daggs
Tue, 30 Nov 2021 11:57:03 -0000

Greetings Michal,

> Sent: Tuesday, November 30, 2021 at 10:28 AM
> From: "Michal Pr?vozn?k" <mprivozn at redhat.com>
> To: "daggs" <daggs at gmx.com>, libvirt-users at redhat.com
> Subject: Re: migrate libvirt config between machines
>
> On 11/29/21 17:37, daggs wrote:
> > Greetings,
> >
> > I'd like to migrate my current libvirt config from one machine to
another, what is the best way to do so?
> >
> > Thanks
> >
>
> Do you mean domain/network/... XMLs or {libvirtd,qemu,...}.config files?
>
> For the former I suggest 'virsh dumpxml $dom > dom.xml' and
copying over
> the file onto new machine and defining the domain again 'virsh define
> dom.xml' (s/dumpxml/net-dumpxml/ and s/define/net-define/ for networks
> and so on).
>
> If you run new enough libvirt there's even 'virsh migrate
--offline'
> that encapsulates steps from above.
>
> For the latter just copy over the files onto new machine.
>
> In theory, copying over XMLs should work too, but we don't really like
> seeing users touching those behind libvirt's back as 'virsh
define' does
> more than just saving the XML file.
>
> Michal
>
>

I meant both.
the src machine runs libvirt 7.8.0, the dest runs 7.9.0

so virsh migrate --offline + copy /etc/libvirt?

Thanks,

Dagg