[one-users] VM Placement

Carlos Martín Sánchez cmartin at opennebula.org
Mon Apr 9 03:26:59 PDT 2012


Hi,

That's currently not possible. The scheduler can prioritize the hosts where
each VM will be deployed, but not which VMs to deploy first.

Regards.
--
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>



2012/3/28 Darshan Upadhyay <darshanit7 at gmail.com>

> is it possible to give priority to particular VM with rank policy...
> because in the link http://opennebula.org/documentation:rel3.2:schg,
> there is one option for custom rank....
> so please guide me about this.
>
> is it possible to made custom rank? if yes than please guide about this....
>
> Thanks.....
>
> Hi juan Luis...
> as per the my knowledge, i think load aware policy might be helpful for
> you...
> Rank = "-FREECPU"
>
>
>
> On Wed, Mar 28, 2012 at 2:25 PM, Carlos Martín Sánchez <
> cmartin at opennebula.org> wrote:
>
>> Hi,
>>
>> Using the sched.conf file, you can only define global policies for all
>> VMs and Hosts.
>> If you need to use different policies for a group of Hosts, I would add a
>> new attribute to the Hosts you want to apply the policy, let's say
>> POLICY=PACKING. Then add to all the VMs you want to deploy in this
>> group/policy the following [1]:
>>
>> REQUIREMENTS="POLICY=PACKING"
>> RANK = RUNNING_VMS
>>
>> Regards
>>
>> [1]
>> http://opennebula.org/documentation:documentation:template#placement_section
>> --
>> 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>
>>
>>
>>
>> 2012/3/15 Juan Luis Prieto Martínez <sirjuanlu at gmail.com>
>>
>>> Hi Jaime
>>>
>>> Thanks for the hint, this is what I was thinking and what I need to put
>>> in place. However a second question comes into my mind, is it possible to
>>> set up the scheduler policies programatically? Meaning that I'd like to
>>> generate an energy aware policy with wich I'd like to set up the scheudler
>>> with a Packing policy in X nodes.
>>>
>>> Cheers
>>> JuanLu
>>>
>>>
>>> El 15 de marzo de 2012 12:05, Jaime Melis <jmelis at opennebula.org>escribió:
>>>
>>>  Hi Juan Luis,
>>>>
>>>> I forgot to clarify that in our scheduler the user can specify what
>>>> deployment policy to use, which I believe is what you're looking for.
>>>>
>>>> http://opennebula.org/documentation:rel3.2:schg#pre-defined_placement_policies
>>>>
>>>> The difference with the other ecosystem projects is that the projects I
>>>> mentioned before perform migrations after deployment to optimize the use of
>>>> resources.
>>>>
>>>> Regards,
>>>> Jaime
>>>>
>>>> On Thu, Mar 15, 2012 at 11:42 AM, Jaime Melis <jmelis at opennebula.org>wrote:
>>>>
>>>>> Hi,
>>>>>
>>>>> take a look at these projects from the ecosystem:
>>>>> Green Cloud Scheduler -
>>>>> http://opennebula.org/software:ecosystem:green_cloud_scheduler
>>>>> CLUES - http://opennebula.org/software:ecosystem:clues
>>>>>
>>>>> Regards,
>>>>> Jaime
>>>>>
>>>>> On Thu, Mar 15, 2012 at 10:51 AM, Juan Luis Prieto Martínez <
>>>>> sirjuanlu at gmail.com> wrote:
>>>>>
>>>>>> Hi
>>>>>>
>>>>>> I'd like to know whether if it is possible to tel opennebula to
>>>>>> deploy the VMs on specific hosts in order to save energy in the data
>>>>>> center. I know that the scheduler does something similar to that by
>>>>>> checking from time to time where the VMs are running and moving
>>>>>> consolidating them in the less hosts as possible, but I'd like to know if
>>>>>> by some short of energy efficiency policy this can be controled by the user.
>>>>>>
>>>>>> Thank you
>>>>>> Cheers
>>>>>> JuanLu
>>>>>>
>>>>>> _______________________________________________
>>>>>> Users mailing list
>>>>>> Users at lists.opennebula.org
>>>>>> http://lists.opennebula.org/listinfo.cgi/users-opennebula.org
>>>>>>
>>>>>>
>>>>>
>>>>
>>>>
>>>> --
>>>> Jaime Melis
>>>> Project Engineer
>>>> OpenNebula - The Open Source Toolkit for Cloud Computing
>>>> www.OpenNebula.org | jmelis at opennebula.org
>>>>
>>>
>>>
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>>>
>>
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>
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