Re: [Qemu-devel] [PATCH 1/3] block: allow migration to work with image files

[Anthony Liguori]

On 09/12/2010 11:06 AM, Avi Kivity wrote:
>  On 09/12/2010 05:26 PM, Anthony Liguori wrote:
> > On 09/12/2010 08:28 AM, Avi Kivity wrote:
> > >  On 09/12/2010 03:06 PM, Anthony Liguori wrote:
> > > > Backing files and logical size shouldn't change during live migration.
> > >
> > > Why not?
> >
> > To make our lives easier.
>
> It means management needs to block volume resize while a live 
> migration takes place.  Since live migration is typically done by the 
> system automatically, while volume resize happens in response to user 
> request, this isn't a good idea.  Both in terms of user experience, 
> and in terms of pushing more complexity to management.

We don't do volume resize today so it's a moot point.

Regards,

Anthony Liguori