Re: [Qemu-devel] [RFC] Specifying storage devices for live migration

[Marcelo Tosatti]

On Wed, Jun 15, 2011 at 02:22:22PM -0300, Marcelo Tosatti wrote:
> On Wed, Jun 15, 2011 at 02:06:21PM +0300, Avishay Traeger wrote:
> > 
> > Hello all,
> > Currently there is no way to choose storage devices to be migrated.  There
> > was some discussion about making the monitor API a bit more flexible, but
> > the code was never written:
> > http://lists.gnu.org/archive/html/qemu-devel/2009-11/msg01494.html
> > 
> > So today users can choose only:
> > 1) No storage migrated
> > 2) All disks migrated with fully copy
> > 3) All disks migrated with incremental
> > 
> > I'd like to write the code to allow users to choose which disks to migrate,
> > and how.  What API would you recommend?  What would break the least amount
> > of utilities?
> 
> I'm unaware of any application that makes use of the -b flag, so if
> thats true breaking the changing the current syntax is fine. The
> one Liran suggests looks alright.

We also need the same feature, BTW.