Thanks Gary, clear now. ;-)
2014-02-16 21:40 GMT+08:00 Gary Kotton <gkot...@vmware.com>: > Hi, > There are two issues here. > The first is a bug fix that is in review: > - https://review.openstack.org/#/c/69209/ (this is where they have the > same configuration) > The second is WIP: > - https://review.openstack.org/#/c/69262/ (we need to restore) > Thanks > Gary > > From: Jay Lau <jay.lau....@gmail.com> > Reply-To: "OpenStack Development Mailing List (not for usage questions)" < > openstack-dev@lists.openstack.org> > Date: Sunday, February 16, 2014 6:39 AM > To: OpenStack Development Mailing List <openstack-dev@lists.openstack.org> > Subject: [openstack-dev] [Nova][VMWare] VMwareVCDriver related to > resize/cold migration > > Hey, > > I have one question related with OpenStack vmwareapi.VMwareVCDriver > resize/cold migration. > > The following is my configuration: > > DC > | > |----Cluster1 > | | > | |----9.111.249.56 > | > |----Cluster2 > | > |----9.111.249.49 > > *Scenario 1:* > I started two nova computes manage the two clusters: > 1) nova-compute1.conf > cluster_name=Cluster1 > > 2) nova-compute2.conf > cluster_name=Cluster2 > > 3) Start up two nova computes on host1 and host2 separately > 4) Create one VM instance and the VM instance was booted on Cluster2 node > 9.111.249.49 > | OS-EXT-SRV-ATTR:host | host2 | > | OS-EXT-SRV-ATTR:hypervisor_hostname | > domain-c16(Cluster2) | > 5) Cold migrate the VM instance > 6) After migration finished, the VM goes to VERIFY_RESIZE status, and > "nova show" indicates that the VM now located on host1:Cluster1 > | OS-EXT-SRV-ATTR:host | host1 | > | OS-EXT-SRV-ATTR:hypervisor_hostname | > domain-c12(Cluster1) | > 7) But from vSphere client, it indicates the the VM was still running on > Cluster2 > 8) Try to confirm the resize, confirm will be failed. The root cause is > that nova compute on host2 has no knowledge of domain-c12(Cluster1) > > 2014-02-16 07:10:17.166 12720 TRACE nova.openstack.common.rpc.amqp File > "/usr/lib/python2.6/site-packages/nova/compute/manager.py", line 2810, in > do_confirm_resize > 2014-02-16 07:10:17.166 12720 TRACE nova.openstack.common.rpc.amqp > migration=migration) > 2014-02-16 07:10:17.166 12720 TRACE nova.openstack.common.rpc.amqp File > "/usr/lib/python2.6/site-packages/nova/compute/manager.py", line 2836, in > _confirm_resize > 2014-02-16 07:10:17.166 12720 TRACE nova.openstack.common.rpc.amqp > network_info) > 2014-02-16 07:10:17.166 12720 TRACE nova.openstack.common.rpc.amqp File > "/usr/lib/python2.6/site-packages/nova/virt/vmwareapi/driver.py", line 420, > in confirm_migration > 2014-02-16 07:10:17.166 12720 TRACE nova.openstack.common.rpc.amqp > _vmops = self._get_vmops_for_compute_node(instance['node']) > 2014-02-16 07:10:17.166 12720 TRACE nova.openstack.common.rpc.amqp File > "/usr/lib/python2.6/site-packages/nova/virt/vmwareapi/driver.py", line 523, > in _get_vmops_for_compute_node > 2014-02-16 07:10:17.166 12720 TRACE nova.openstack.common.rpc.amqp > resource = self._get_resource_for_node(nodename) > 2014-02-16 07:10:17.166 12720 TRACE nova.openstack.common.rpc.amqp File > "/usr/lib/python2.6/site-packages/nova/virt/vmwareapi/driver.py", line 515, > in _get_resource_for_node > 2014-02-16 07:10:17.166 12720 TRACE nova.openstack.common.rpc.amqp > raise exception.NotFound(msg) > 2014-02-16 07:10:17.166 12720 TRACE nova.openstack.common.rpc.amqp > NotFound: NV-3AB798A The resource domain-c12(Cluster1) does not exist > 2014-02-16 07:10:17.166 12720 TRACE nova.openstack.common.rpc.amqp > > > *Scenario 2:* > > 1) Started two nova computes manage the two clusters, but the two computes > have same nova conf. > 1) nova-compute1.conf > cluster_name=Cluster1 > cluster_name=Cluster2 > > 2) nova-compute2.conf > cluster_name=Cluster1 > cluster_name=Cluster2 > > 3) Then create and resize/cold migrate a VM, it can always succeed. > > > *Questions:* > For multi-cluster management, does vmware require all nova compute have > same cluster configuration to make sure resize/cold migration can succeed? > > -- > Thanks, > > Jay > > _______________________________________________ > OpenStack-dev mailing list > OpenStack-dev@lists.openstack.org > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev > > -- Thanks, Jay
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