[one-users] feature request

[Shankhadeep Shome]

Yes, machine types are supported by libvirt. In fact each version of
libvirt may have a different machine spec, this might cause issues when
migrating vms to a new kvm host with a newer machine spec. For these cases
its better to be explicit about the machine type instead of setting it to
"pc" or letting libvirt chose the machine type. I assume this is why they
kept the feature.


On Thu, Jun 27, 2013 at 5:02 AM, Carlos Martín Sánchez <
cmartin at opennebula.org> wrote:

> Hi,
>
> I opened a ticket with your request:
> http://dev.opennebula.org/issues/2143
>
> Is it supported by libvirt?
>
> Regards
>
> --
> Join us at OpenNebulaConf2013 <http://opennebulaconf.com> in Berlin,
> 24-26 September, 2013
> --
> Carlos Martín, MSc
> Project Engineer
> OpenNebula - The Open-source Solution for Data Center Virtualization
> www.OpenNebula.org | cmartin at opennebula.org | @OpenNebula<http://twitter.com/opennebula><cmartin at opennebula.org>
>
>
> On Wed, Jun 26, 2013 at 6:04 AM, Shankhadeep Shome <shank15217 at gmail.com>wrote:
>
>> Hi
>>
>> Please consider adding machine type to the OS section of the machine
>> definition file for kvm
>>
>> Shank
>>
>> For example, in my template definition I have
>>
>> OS=[BOOT="hd",ARCH="x86_64"]
>>
>> But I should be able to use, currently machine is ignored.
>>
>> OS=[BOOT="hd",MACHINE="q35",ARCH="x86_64"]
>>
>> Qemu is currently adding a new machine type to the list, the ICH9
>> chipset, the ubuntu 13.04 qemu comes with
>>
>> none                 empty machine
>> pc                   Standard PC (i440FX + PIIX, 1996) (alias of
>> pc-i440fx-1.4)
>> pc-i440fx-1.4        Standard PC (i440FX + PIIX, 1996) (default)
>> pc-1.3               Standard PC
>> pc-1.2               Standard PC
>> pc-1.1               Standard PC
>> pc-1.0               Standard PC
>> pc-0.15              Standard PC
>> pc-0.14              Standard PC
>> pc-0.13              Standard PC
>> pc-0.12              Standard PC
>> pc-0.11              Standard PC, qemu 0.11
>> pc-0.10              Standard PC, qemu 0.10
>> isapc                ISA-only PC
>> xenfv                Xen Fully-virtualized PC
>> q35                  Standard PC (Q35 + ICH9, 2009) (alias of pc-q35-1.4)
>> pc-q35-1.4           Standard PC (Q35 + ICH9, 2009)
>> xenpv                Xen Para-virtualized PC
>>
>> But notice the default is still the i440fx chipset. The new q35 emulated
>> machine provides better support for pci-express pass-through.
>>
>> Shank
>>
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>> Users at lists.opennebula.org
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>>
>>
>
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