[one-users] OpenNebula CLVM

[Nuno Fernandes]

On Monday 28 July 2008 17:46:57 Tino Vazquez wrote:
> 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.

That's fantastic.. let me know if you need any info on this setup?

Best regards,
Nuno Fernandes

>
> 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
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> > > > Users at lists.opennebula.org
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