[one-users] Using Opennebula with a uncommon Xen-configuration

[Jaime Melis]

Hi Andreas,

I think what you're suggesting can be adapted fairly easily. Try reading
this [1] guide, it might clarify some concepts.

[1] http://opennebula.org/documentation:rel2.2:template

Is there any particular step you would like help with?

regards,
Jaime

On Mon, Apr 18, 2011 at 2:05 PM, Andreas <yoss at gmx.net> wrote:

> Hi Jaime,
>
> thanks for reading and answering.  I read the article about the the CERN
> use
> case, but in IMHO it's not the same.
> They use complete partition images for the VMs.
> The difference is, they make a dd of the VM-partition and i mount the VM-
> partition in the Dom0 and tar the files in the VM-partition. The
> tar-archive
> is my VM-image.
> The last days i looked  at the scripts of the LVM Transfer Manager. Maybe
> it's
> possible to change these scripts that they do a mount&tar instead of a dd.
> But
> i don't know how the processes work in detail.
>
> All suggestion are welcome.
>
>
> Regards
> Andreas
>
>
> > Hi Andreas,
> >
> > it seems that you have a similar use case as CERN does. Take a look at
> >  these links to see if this is what you're looking for:
> >
> > The storage setup is explained here: http://blog.opennebula.org/?p=620
> > A preliminary version of the TM drivers:
> > https://twiki.cern.ch/twiki/bin/view/FIOgroup/OpenNebula
> > and http://opennebula.org/software:ecosystem:scp-wave
> >
> > Regards,
> > Jaime
> >
> > On Wed, Apr 13, 2011 at 8:16 AM, Andreas <yoss at gmx.net> wrote:
> > > Hi,
> > >
> > > since i hear a  speech from Tino Vazquez on the OSDC in Germany (which
> > > was really good), im very interested in opennebula.
> > > After reading documentation und testing some parts there seems to be a
> > > problem
> > > with our uncommon Xen-configuration.
> > >
> > > We have no central storage for the images. The images are copied over
> ssh
> > > to
> > > the hosts (Dom0).
> > > Our DomUs based on LVM-partitions, which are directly mounted in the
> > > DomU. They appear as a partition and not as a disk in the DomU.
> > > The disk configuration for a DomU is like following:
> > >
> > >  'phy:/dev/system/helios-1_root,hda1,w'
> > >
> > > To save a DomU we mount the LVM-Partition in the Dom0 and make a
> > > tar-archive
> > > of the files and directories in the partition. A copy of the kernel and
> > > the initrd  is provided in the Dom0 to start the DomU with the
> > > Xen-bootloader.
> > >
> > > Does support Opennebula such a type of configuration and if not, how
> > > difficult
> > > it is to adjust it? Where i must start, if i want integrate these
> > > configuration?
> > >
> > >
> > > Thanks,
> > > Andreas
> > > _______________________________________________
> > > Users mailing list
> > > Users at lists.opennebula.org
> > > http://lists.opennebula.org/listinfo.cgi/users-opennebula.org
> >
> _______________________________________________
> Users mailing list
> Users at lists.opennebula.org
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>



-- 
Jaime Melis, Cloud Technology Engineer/Researcher
Major Contributor
OpenNebula - The Open Source Toolkit for Cloud Computing
www.OpenNebula.org | jmelis at opennebula.org
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