[Engine-devel] qemu machine type / datacenter machine version

[Dor Laor]

On 04/05/2012 08:14 PM, Itamar Heim wrote:
> On 04/05/2012 06:27 PM, Ryan Harper wrote:
>> I was playing around with ovirt-engine datacenter definitions and I
>> seems that the capatibility version in the gui controls the qemu machine
>> type specified (3.0 -> pc-0.14). I was wondering where that's
>> configured setup.
>>
>> I grepped through my deployed system and saw a hit here:
>>
>> [root at f16-engine ovirt-engine]# rpm -qf /usr/share/ovirt-engine
>> ovirt-engine-3.0.0_0001-1.2.fc16.x86_64
>> [root at f16-engine ovirt-engine]# grep -nri "pc-0.14" *
>> db-backups/tmprN1EDt.sql:12119:INSERT INTO vdc_options (option_id,
>> option_name, option_value, version) VALUES (236, 'EmulatedMachine',
>> 'pc-0.14', '3.0');
>> db-backups/tmpj4XRCI.sql:12138:INSERT INTO vdc_options (option_id,
>> option_name, option_value, version) VALUES (236, 'EmulatedMachine',
>> 'pc-0.14', '3.0');
>> dbscripts/upgrade/03_00_0530_update_EmulatedMachine_config_to_pc.sql:2:select
>> fn_db_update_config_value('EmulatedMachine','pc-0.14','3.0');
>> dbscripts/create_db.sh.log:7571:select
>> fn_db_update_config_value('EmulatedMachine','pc-0.14','3.0');
>> dbscripts/create_db.sh.log:25529:select
>> fn_db_update_config_value('EmulatedMachine','pc-0.14','3.0');
>> dbscripts/create_db.sh.log:43487:select
>> fn_db_update_config_value('EmulatedMachine','pc-0.14','3.0');
>>
>> Is there any way to define different compatibiilty versions or edit
>> that? If I've got a new end-point running qemu-kvm that doesn't have
>> pc-0.14 defined (Say RHEL6.x) the machines won't lauch when you
>> specific -M pc-0.14.
>>
>> Thoughts?
>>
>>
>
>
>
> check this and reply to it:
> http://lists.ovirt.org/pipermail/users/2012-March/001439.html

Since the topic was brought up, I have a long going request that oVirt 
will enable users to run multiple machine type versions on the same host 
(using the same qemu binary but providing a different -M compatibility 
level per VM).

Is that on the roadmap?

Thanks,
Dor
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