I'll try those; thanks.<br><br>d.p.<br><br><div class="gmail_quote">On Sun, Jul 29, 2012 at 9:02 PM, Andrew Beekhof <span dir="ltr"><<a href="mailto:andrew@beekhof.net" target="_blank">andrew@beekhof.net</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div class="HOEnZb"><div class="h5">On Thu, Jul 12, 2012 at 2:26 PM, David Pendell <<a href="mailto:lostogre@gmail.com">lostogre@gmail.com</a>> wrote:<br>
> I have two cluster nodes that have a gigabit network between them for doing<br>
> live migrations of running kvm VMs. If one of the two hosts go off line,<br>
> naturally all of the guests then get restarted on the other host. But when<br>
> the offline host then comes back online, all of the guests that were<br>
> restarted on the "online" host then try to do a live migration. Given that I<br>
> only have one gigabit link for doing the transfers, this creates a log jam.<br>
> The result is that the VMs that timeout then do a "move" or rather shutdown<br>
> VMs to restart them on the newly online node. For my Linux guests, this is<br>
> annoying, but with a Windows VM it is a disaster, locking a very impatient<br>
> dept out of their server for 3-4 minutes. ( One might think that this is a<br>
> miracle, given that before I set up the cluster a server reboot would take<br>
> ten minutes. Sigh. )<br>
><br>
> I would like to make the migrations sequential so that the Windows VM can<br>
> migrate first, and then the next most important Linux VMs, etc. Is there any<br>
> way to do this?<br>
><br>
> Beekhof suggested that there were several alternatives and that the mailing<br>
> list would be the best place to ask.<br>
<br>
</div></div>You could try creating an ordering constraint between the two VMs, or<br>
setting batch-limit really small.<br>
I think there were some other options too.<br>
<br>
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