Re: [Qemu-devel] [patch 6/7] QEMU live block copy

[Marcelo Tosatti]

On Tue, May 31, 2011 at 07:53:44PM +0300, Avi Kivity wrote:
> >Don't see the need for that, management can simply wait for livecopy to
> >finish or cancel livecopy and restart on destination after migration.
> 
> They can do it, but I imagine it's pretty hard for them.

Well, they have to handle migration failures anyway.

> 
> >But yeah, it should be implemented sometime...
> >
> 
> 
> We should make an effort not to introduce interdependencies which
> make management's life harder.

While this is a good principle there is no way around complexity for
management here. If migration is supported, the block copy target image
filenames must be specified on the destination.