[one-users] OpenNebula Cluster Awareness

[Javier Fontan]

You can control the way the scheduler sorts resources using rank
parameter in the job template [1]. You can make the VM go to the host
with least free ram with

RANK="- FREEMEMORY"

or make it use the host with most free ram:

RANK="FREEMEMORY"

[1] http://www.opennebula.org/documentation:rel2.0:schg

On Sun, Jan 2, 2011 at 12:18 PM, Sassy Natan <sassyn at gmail.com> wrote:
> Hi Group,
> A simple question:
>
> Say I'm using ESXi with one physical server. The server has 24G of
> RAM, and 1T of hard disc space.
> Now using Open Nebula I have provision to VMs, one with 10G as the
> minimum size of ram , and one with 8G as the minimum size of ram. So
> far 18G was used.
> Now I want to provisioning a new VM with anther 10G of ram, but I
> can't right - I only have 6G left.
>
> So I want to join a new physical server with the same parameters as
> the old one (The server has 24G of RAM, and 1T of hard disc space) to
> my pool.
>
> My question, does open nebula will know automatically to provisioning
> the new VM (10G) on the new hardware?
> If yes, what if I asked to make a new VM with 4G, will it used the
> first hardware? or it will used the new one.....
>
>
> Do I need to installed some opennebula client on ESXi servers?
>
> Thanks
> Sassy
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> Users at lists.opennebula.org
> http://lists.opennebula.org/listinfo.cgi/users-opennebula.org
>



-- 
Javier Fontan, Grid & Virtualization 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