On Wed, Apr 30, 2014 at 7:40 PM, Salvatore Orlando <sorla...@nicira.com>wrote:
> On 30 April 2014 17:28, Jesse Pretorius <jesse.pretor...@gmail.com> wrote: > >> On 30 April 2014 16:30, Oleg Bondarev <obonda...@mirantis.com> wrote: >> >>> I've tried updating interface while running ssh session from guest to >>> host and it was dropped :( >>> >> > Please allow me to tell you "I told you so!" ;) > >> >> The drop is not great, but ok if the instance is still able to be >> communicated to after the arp tables refresh and the connection is >> re-established. >> >> If the drop can't be avoided, there is comfort in knowing that there is >> no need for an instance reboot, suspend/resume or any manual actions. >> > > I agree with Jesse's point. I think it will be reasonable to say that the > migration will trigger a connection reset for all existing TCP connections. > However, what are exactly the changes we're making on the data plane? Are > you testing with migrating VIF from a linux bridge instance to an Open > vSwitch obne? > Actually I was testing VIF move from nova-net bridge br100 to neutron's bridge (qbrXXX) (which is kind of final step in instance migration as I see it) Another problem that I faced is clearing network filters which nova-net configures on the VIF, but this seems to be fixed in libvirt now: https://www.redhat.com/archives/libvirt-users/2014-May/msg00002.html Thanks, Oleg > > Salvatore > > >> >> _______________________________________________ >> OpenStack-dev mailing list >> OpenStack-dev@lists.openstack.org >> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev >> >> > > _______________________________________________ > OpenStack-dev mailing list > OpenStack-dev@lists.openstack.org > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev > >
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