[one-users] OpenNebula CLVM

[Tino Vazquez]

Hi Nuno,

good points indeed. I've opened a ticket in our trac so we can continue this
discussion over there:

http://trac.opennebula.org/ticket/32

As adding support for this is not a complex task, I would expect next
releases of ONE to support this feature.

Best regards,

-Tino

On Mon, Jul 28, 2008 at 5:22 PM, Nuno Fernandes <npf-mlists at eurotux.com>wrote:

> On Monday 28 July 2008 14:37:00 Tino Vazquez wrote:
> > Hi Nuno,
> >
> > Currently we don't support virtual images in other places than files. The
> > reason behind this decision is that we couldn't think of a scenario were
> > virtual images were made available as logical volumes to all the
> computers
> > on the physical cluster. So our approach was to recommend one base image
> > and then cloning this one whenever required.
> >
> > Adding this support won't be really hard, maybe you can convince us that
> > there is a use case worth to be taken into account.
> Well.. we've been using lvm image based virtual machines as resize
> operations
> are simpler.. lvextend, lvreduce, etc. Lvm based virtual machines are also
> faster because they don't have the overhead of the dom0 filesystem.
>
> Using a fileysystem put images has some drawbacks as performance,
> managment,
> etc.
>
> Snapshots are also easier in lvm (not yet supported in clustered lvm), as
> well
> as mirroring volumes.
>
> Hope that helps convincing supporting lvm images.. :)
>
> Best regards,
> Nuno Fernandes
>
>
> >
> > Best regards,
> >
> > -Tino
> >
> > On Fri, Jul 25, 2008 at 12:42 PM, Nuno Fernandes
> <npf-mlists at eurotux.com>wrote:
> > > Hi,
> > >
> > > Does opennebula supports that the virtual images are in Logical Volumes
> > > instead of file based images?
> > > I've searched the docs and only found file based images information,
> not
> > > logical volumes.
> > >
> > > Thanks,
> > > Nuno Fernandes
> > > _______________________________________________
> > > Users mailing list
> > > Users at lists.opennebula.org
> > > http://lists.opennebula.org/listinfo.cgi/users-opennebula.org
>
>
>


-- 
Constantino Vázquez, Grid Technology Engineer/Researcher:
http://www.dsa-research.org/doku.php?id=people:tinova
DSA Research Group: http://dsa-research.org
Globus GridWay Metascheduler: http://www.GridWay.org
OpenNebula Virtual Infrastructure Engine: http://www.OpenNebula.org
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