Re: RFC: virt-manager: Redesigned 'New VM' wizard

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Cole Robinson wrote:
> Guido Günther wrote:
>> On Mon, Mar 02, 2009 at 07:50:28PM +0000, Daniel P. Berrange wrote:
>>> On Mon, Mar 02, 2009 at 08:12:03PM +0100, Guido G?nther wrote:
>>>> Hi Cole,
>>>> this all looks great.
>>>> On Fri, Feb 27, 2009 at 05:50:15PM -0500, Cole Robinson wrote:
>>>>> The summary section is pretty straight forward, no surprises here.
>>>>> The 'Advanced Options' section encompasses networking, hypervisor, and
>>>>> architecture options. The hypervisor and arch defaults were explained above.
>>>> An option to select disk (scsi, ide, virtio) and network adapter model
>>>> (e1000, ...) as advanced options would be great (still defaulting to
>>>> virtio if supported via the osdict) since there are some OSes that don't
>>>> support all hardware out of the box and there are kvm/qemu versions that
>>>> have problems with certain adapter types.
>>> If there are combinations of OS,Disk that don't work IMHO we should
>>> improve the OS type metadata so we don't use them. Choice of specific
>>> hardware models is something we really want to keep out of the new VM
>>> wizard, because the end user really isn't in a position to have the
>>> knowledge to make suitable choices.
>> Sometimes it's not an issue of the guest but of the hypervisor like
>> missing PXE roms[1]. Attached is a patch Andreas Unterkircher that adds
>> NIC model selection to the advanced options of the vm wizard (some code
>> could probably be shared with vmmAddHardware).
>> Cheers,
>>  -- Guido
>>
>> [1] http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=521091
>>
> 
> Ideally this is the type of issue the OS metadata should still be able
> to solve, though we are far from it at the moment.
> 

Hmm, the above is wrong, I misunderstood the reported problem: OS
metadata won't help if a PXE rom hasn't been installed. However, the
point still stands that this shouldn't be a common case, and a more
general solution to install tweaking is desired.

- Cole

> Rather than adding on more UI to the 'New VM' wizard, the more general
> solution to problems like this is to allow a way to customize the VM
> before starting the install. My thought is that we can drop the user
> into the VM Details view, where they will then have all the
> functionality currently exposed by the add/remove hardware wizard.
> 
> WRT the above issue, since I committed your patch to allow specifying
> model via virt-install, I think that's a reasonable workaround till the
> virt-manager work is done.
> 
> Thanks,
> Cole
> 
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