[openstack-dev] [Nova] Interface in PEER2PEER live migration
Alberto Planas Dominguez
aplanas at suse.de
Thu Aug 25 15:54:10 UTC 2016
On Thu, 2016-08-25 at 11:41 -0400, Daniel P. Berrange wrote:
> I think where the confusion is coming is that libvirt will work in
> two different ways with P2P migration. If the TUNNELLED flag is set,
> then the migration data will go over the Libvirtd <-> libvirtd
> connection, which is influenced by the live_migration_inbound_addr
> If the TUNNELED flag is not set the data is QEMU <-> QEMU directly,
> and that needs the extra URI set.
> What we need todo is fix the Nova code so that when the TUNNELLED
> is *not* set, we also provide the extra URI, using the hostname/ip
> listed in live_migration_inbound_addr, falling back to the compute
> if live_migration_inbound_addr is not set.
This will work, but I have the feeling that this will give
to live_migration_inbound_addr two meanings, that depends on the kind
of live migration configured.
I will adapt the patch to follow this path!
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