[vbox-dev] GUI feature request

Achim Hasenmueller achim at sun.com
Wed Sep 9 08:15:26 PDT 2009


OVF is a very broad spec, it doesn't say much about the things that  
the OVF files refer to. You can put in whatever container format you  
like. It just happens that streaming VMDK are most suitable because  
they are compressed.

On Sep 9, 2009, at 16:30 , Huihong Luo wrote:

> That's what I thought about using diff. We can try to impl it.
>
> I wanted to use it from original place, for example, P2V vm is 250G  
> in size for my laptop, importing will take very long time.
>
> A simple question, is compression optional? or is it mandatory by  
> spec? I noticed Citrix uses uncompressed VHD for OVF disk.
>
> --- On Wed, 9/9/09, Achim Hasenmueller <achim at sun.com> wrote:
>
> From: Achim Hasenmueller <achim at sun.com>
> Subject: Re: [vbox-dev] GUI feature request
> To: "Christian Pötzsch" <Christian.Poetzsch at sun.com>
> Cc: "Huihong Luo" <huisinro at yahoo.com>, vbox-dev at virtualbox.org
> Date: Wednesday, September 9, 2009, 7:20 AM
>
> I think they support random reads but not random writes. So using a  
> snapshot on them, it could work.
>
> Volunteers to implement that? Huihong?
>
> Achim.
>
> On Sep 9, 2009, at 13:36 , Christian Pötzsch wrote:
>
> > Hi,
> >
> > Huihong Luo wrote:
> >> For OVF import, I wonder if can add a checkbox to tell whether or  
> not
> >> clone the virtual disk. For large files, use it from original  
> place is
> > ideal
> >
> > this is not possible. The VMDK's used in the OVF export are in a
> > compressed format. It is not possible to use that format for working
> > with the VM's.
> >
> > Christian
> >
> > --Dr. Christian Pötzsch    Sun Microsystems    http://www.sun.com/
> >
> > _______________________________________________
> > vbox-dev mailing list
> > vbox-dev at virtualbox.org
> > http://vbox.innotek.de/mailman/listinfo/vbox-dev
>

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