[one-users] VM Placement

[Steven Timm]

A couple of years ago there was work done with an alternate scheduler
called Haizea in the OpenNebula 1.x series.  Has that been kept
up to date and would it still work with OpenNebula 3.x?
That scheduler was supposed to address fair-share issues like that.

Steve Timm


On Mon, 9 Apr 2012, Carlos Martín Sánchez wrote:

> 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
> Virtualizationwww.OpenNebula.org | cmartin at opennebula.org | @OpenNebula
> 
> 
> 
> 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_sectio
> n
> --
> Carlos Martín, MSc
> Project Engineer
> OpenNebula - The Open-source Solution for Data Center
> Virtualizationwww.OpenNebula.org | cmartin at opennebula.org |
> @OpenNebula
> 
> 
> 
> 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_polic
> ies
> 
> 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
> 
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> 
> 
> 
> 
> 
> --
> 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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> 
> 
> 
>

------------------------------------------------------------------
Steven C. Timm, Ph.D  (630) 840-8525
timm at fnal.gov  http://home.fnal.gov/~timm/
Fermilab Computing Division, Scientific Computing Facilities,
Grid Facilities Department, FermiGrid Services Group, Group Leader.
Lead of FermiCloud project.