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

[Kenneth Nagin]

>"Daniel P. Berrange" <berrange at redhat.com> wrote on 05/05/2010 11:16:37:

> From: "Daniel P. Berrange" <berrange at redhat.com>
> To: Cole Robinson <crobinso at redhat.com>
> Cc: Kenneth Nagin/Haifa/IBM at IBMIL, list libvirt <libvir-list at redhat.com>
> Date: 05/05/2010 11:16
> Subject: Re: [libvirt] (Resend with updates) Live Migration with
> non-shared storage for kvm
>
> 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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Thank you.  I will look into implementing the improvement when I have time.
However, it won't be for a while since I have some pressing deadlines that
I have to meet in the next few months.

regards,

Kenneth Nagin
Ph: +972-4-8296227
Cell: 054-6976227
Fx: +972-4- 8296113
http://researcher.watson.ibm.com/researcher/view.php?person=il-NAGIN
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