[one-users] non-dedicated cluster

Tino Vazquez tinova79 at gmail.com
Mon Apr 27 10:48:27 PDT 2009

Hello Esperanza,

Very interesting mail. These type of policies that would allow to
dynamically reshape the placement of VMs to conform to certain QoS are
really useful. For that, OpenNebula's scheduler would have to be
extended. By design, OpenNebula scheduler has been thought to provide
a comprehensive framework to implement these policies. If you want to
give it a try, we would be more than happy to provide support in these

Alternatively, you can take a look at an open source scheduler that
integrates with OpenNebula to see if it can accomodate your needs (it
provides advance reservation):

Best regards,

Constantino Vázquez, Grid Technology Engineer/Researcher:
DSA Research Group: http://dsa-research.org
Globus GridWay Metascheduler: http://www.GridWay.org
OpenNebula Virtual Infrastructure Engine: http://www.OpenNebula.org

On Thu, Apr 23, 2009 at 1:02 AM, Esperanza Nieves
<esperanzanieves2 at gmail.com> wrote:
> Hi,
> In the context of a non-dedicated opennebula cluster with xen how could I
> give a more high priority over hardware resources to a fully virtualized xen
> virtual machine running windows when a user needs to run an application
> requiring all memory and CPU of the machine.
> Other paravirtualized virtual machines will run in the same machine with the
> rest of the resources that windows user does not use. How can I dinamically
> reallocate resources such as memory and CPU both for fully virtualized and
> paravirtualized guests.
> Cheers,
> EN
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> Users mailing list
> Users at lists.opennebula.org
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