[one-users] onevm create/deploy commands to send VMs to host of our choice (OpenNebula 2.0.1 and CentOS 5.5 with Xen)

[Prakashan Korambath]

Thank you Carlos.  I will try all the option you mentioned. 
  Glad to learn additional options.

Prakashan


On 02/08/2011 02:06 AM, Carlos Martín Sánchez wrote:
> Hi Prakashan,
>
> There are different options to control the placement of the VMs.
>
> If you want to manually deploy them, you can hold the VMs (onevm hold<id>). The scheduler won't place these machines, but you can still deploy them with onevm deploy.
> Or you could start only the OpenNebula daemon without the scheduler (take a look at the 'one' start script, and comment the ONE_SCHEDULER part).
>
> The other option is to use the REQUIREMENTS and RANK VM template attributes, see [1].
> The scheduler will read them, and place the VM accordingly. You can require the VM to be deployed in a specific host or cluster; or modify the RANK expression to set the hosts priority.
>
> Regards,
> Carlos.
>
> [1] http://opennebula.org/documentation:rel2.0:template#placement_section
>
> Carlos Martín, Cloud Technology Engineer/Researcher
> DSA Research Group: web http://dsa-research.org and blog http://blog.dsa-research.org
> OpenNebula Open Source Toolkit for Cloud Computing: http://www.OpenNebula.org
>
>
> On 7 February 2011 21:04, Prakashan Korambath<ppk at ats.ucla.edu<mailto:ppk at ats.ucla.edu>>  wrote:
> Hi,
>
> I noticed that by default the scheduler automatically pick the host when more than one hosts are available to deploy immediately after onevm create command.  The onevm deploy command only works when for some reason the scheduling goes into pending state for a while.
>
> I am looking for little more documentation on various options for deploying the virtual images on the host of our choice.  If someone can share the configuration as to how they deploy OpenNebula in a cluster environment that would be great.
>
> I am using CentOS 5.5 64 bit with OpenNebula 2.0.1 and running Xen on the cluster nodes.
>
> Thanks,
>
> Prakashan
> _______________________________________________
> Users mailing list
> Users at lists.opennebula.org<mailto:Users at lists.opennebula.org>
> http://lists.opennebula.org/listinfo.cgi/users-opennebula.org
>
>