On Fri, May 06, 2011 at 04:21:23PM +0800, wuyu8242 wrote:
> hi Lucas & Amos & all guys,
>  
>     I want to know about the meaning of "migrate -d tcp:localhost:5200", that

It's not a autotest issue, but a basic knowledge of qemu/kvm.

http://qemu.weilnetz.de/qemu-doc.html
http://wiki.qemu.org/Manual
http://www.linux-kvm.org/page/FAQ

> is to say, I don't understand the description of migration in migration.py. 
> The
> case of migration.py is just only a clone in one machine ? But if it is a 
> clone
> opration, I don't find two same images in the machine. i.e. I want to
> know where does the vm migrate to?

We need create two VMs (source VM and destination VM), most of the parametes of 
VMs 
are same, so we just 'clone' the VM object and change some attributes of dest 
VM.
  
We have two kind of migration:
1. migrate from localhost to localhost 
2. migrate from localhost to another box
  
> Regards,
> wuyu
>  
>  
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