[libvirt] (Resend with updates) Live Migration with non-shared storage for kvm

[Daniel P. Berrange]

On Mon, May 03, 2010 at 09:52:10AM -0400, Cole Robinson wrote:
> On 05/03/2010 04:13 AM, Kenneth Nagin wrote:
> > 
> 
> ...
> 
> > This the patch file:
> > (See attached file: libvirt_migration_ns_100503.patch)
> > 
> 
> ACK, patch looks fine now.


No objections to the patch that was committed, but FYI there is an
improvement that can be done to it.

If you run 'virsh domjobinfo $GUEST' while migration is running it
tells you the progress of migration. It gives overall progress, and
memory progress. The APi was designed to allow us to report storage
progress too.  To wire this up look at the method

  qemuDomainWaitForMigrationComplete

where it updates the priv->jobInfo variables. You'll also need to add 
extra params to the qemuMonitorGetMigrationStatus() method to return
the disk processed/remaining/total stats

virsh should already be able to report this data once the QEMU driver
is wired up

Regards,
Daniel
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