[one-users] Sharing images between clusters

[Carlos Martín Sánchez]

Hi,

On Mon, Jun 9, 2014 at 7:12 PM, Andreas Calvo <andreas.calvo at scytl.com>
wrote:

> Carlos,
> Thanks for your answer.
> From what I understand, the Image Datastore must be accesible from the
> hosts selected (all or just a cluster). However, the system datastore must
> be shared between the cluster (store transient data).
>
> On my scenario, clusters do not share the same Image Datastore nor can
> access the same resources.
> System datastore was planned to be local (on the DMZ node's filesystem),
> and the image to be transferred over the network.
>
> So, when moving an image from one cluster to the other (or starting a VM
> in the DMZ cluster), can Opennebula's manager copy over the network an
> image that's stored using iSCSI (image datastore) to the DMZ's node
> filesystem (system datastore), giving the premise that the DMZ node cannot
> access iSCSI?
>
> Thanks
>

I'm afraid that's not possible currently. We want to add the ability to
export images between datastores, but I don't know when that will happen.

Best regards

--
Carlos Martín, MSc
Project Engineer
OpenNebula - Flexible Enterprise Cloud Made Simple
www.OpenNebula.org <http://www.opennebula.org/> | cmartin at opennebula.org |
@OpenNebula <http://twitter.com/opennebula>



---
> Andreas Calvo Gómez
> Systems Engineer
>
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> ----- Original Message -----
> From: "Carlos Martín Sánchez" <cmartin at opennebula.org>
> To: "Andreas Calvo Gómez" <andreas.calvo at scytl.com>
> Cc: users at lists.opennebula.org
> Sent: Monday, June 9, 2014 6:52:23 PM
> Subject: Re: [one-users] Sharing images between clusters
>
> Hi,
>
> On Thu, Jun 5, 2014 at 11:31 AM, Andreas Calvo Gómez <
> andreas.calvo at scytl.com> wrote:
>
> > Hi,
> > I'm trying to set up a DMZ zone and I'm struggling with datastores and
> TMs.
> > The main goal is to provide an internal zone to work with VMs, and the
> > publish the final image to the DMZ zone.
> > Then, while starting the VM, select the cluster to deploy the image
> (using
> > maybe SSH TM).
> >
> > Would it be possible to share images between clusters?
> >
> > Thanks!
> >
> > --
> > Andreas Calvo Gómez
> > Systems Engineer
> >
> >
> The Image Datastore cannot be in more than one cluster. You can however
> move it to the none (-1) cluster, what makes it accessible to all hosts.
>
> System Datastores can be selected for each deployment, but depending on the
> Image Datastore the image may be used directly from the Image DS, not the
> system one. There's more info about this in the storage section of the docs
> [1], but feel free to come back with any questions.
>
> Regards
>
> [1] http://docs.opennebula.org/4.6/administration/storage/sm.html
> --
> Carlos Martín, MSc
> Project Engineer
> OpenNebula - Flexible Enterprise Cloud Made Simple
> www.OpenNebula.org <http://www.opennebula.org/> | cmartin at opennebula.org |
> @OpenNebula <http://twitter.com/opennebula> <cmartin at opennebula.org>
>
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