<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; color: rgb(0, 0, 0); font-size: 14px; font-family: Calibri, sans-serif; "><div>Hi,</div><div>There are two issues here.</div><div>The first is a bug fix that is in review:</div><div>- <a href="https://review.openstack.org/#/c/69209">https://review.openstack.org/#/c/69209</a>/ (this is where they have the same configuration)</div><div>The second is WIP:</div><div>- <a href="https://review.openstack.org/#/c/69262">https://review.openstack.org/#/c/69262</a>/ (we need to restore)</div><div>Thanks</div><div>Gary</div><div><br></div><span id="OLK_SRC_BODY_SECTION"><div style="font-family:Calibri; font-size:11pt; text-align:left; color:black; BORDER-BOTTOM: medium none; BORDER-LEFT: medium none; PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; PADDING-RIGHT: 0in; BORDER-TOP: #b5c4df 1pt solid; BORDER-RIGHT: medium none; PADDING-TOP: 3pt"><span style="font-weight:bold">From: </span> Jay Lau <<a href="mailto:jay.lau.513@gmail.com">jay.lau.513@gmail.com</a>><br><span style="font-weight:bold">Reply-To: </span> "OpenStack Development Mailing List (not for usage questions)" <<a href="mailto:openstack-dev@lists.openstack.org">openstack-dev@lists.openstack.org</a>><br><span style="font-weight:bold">Date: </span> Sunday, February 16, 2014 6:39 AM<br><span style="font-weight:bold">To: </span> OpenStack Development Mailing List <<a href="mailto:openstack-dev@lists.openstack.org">openstack-dev@lists.openstack.org</a>><br><span style="font-weight:bold">Subject: </span> [openstack-dev] [Nova][VMWare] VMwareVCDriver related to resize/cold migration<br></div><div><br></div><div><meta http-equiv="Content-Type" content="text/html; charset=utf-8"><div><div dir="ltr"><div><div>Hey,<br><br></div>
I have one question related with OpenStack vmwareapi.VMwareVCDriver resize/cold migration.<br><br></div>
The following is my configuration:<br><br clear="all"><div><div><div><div><div><div style="background-color:inherit;color:rgb(0,0,0);font-family:????;font-size:14px;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px">
DC</div><div style="background-color:inherit;color:rgb(0,0,0);font-family:????;font-size:14px;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px">
|</div><div style="background-color:inherit;color:rgb(0,0,0);font-family:????;font-size:14px;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px">
|----Cluster1</div><div style="background-color:inherit;color:rgb(0,0,0);font-family:????;font-size:14px;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px">
| |</div><div style="background-color:inherit;color:rgb(0,0,0);font-family:????;font-size:14px;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px">
| |----9.111.249.56</div><div style="background-color:inherit;color:rgb(0,0,0);font-family:????;font-size:14px;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px">
|</div><div style="background-color:inherit;color:rgb(0,0,0);font-family:????;font-size:14px;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px">
|----Cluster2</div><div style="background-color:inherit;color:rgb(0,0,0);font-family:????;font-size:14px;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px">
|</div><div style="background-color:inherit;color:rgb(0,0,0);font-family:????;font-size:14px;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px">
|----9.111.249.49</div><br></div><div><b><u>Scenario 1:</u></b><br></div><div>I started two nova computes manage the two clusters:<br></div><div>1) nova-compute1.conf<br>
cluster_name=Cluster1<br><br></div><div>2) nova-compute2.conf</div><div>cluster_name=Cluster2<br><br></div><div>3) Start up two nova computes on host1 and host2 separately<br></div><div>4) Create one VM instance and the VM instance was booted on Cluster2 node 9.111.249.49<br>
| OS-EXT-SRV-ATTR:host | host2 |<br>
| OS-EXT-SRV-ATTR:hypervisor_hostname | domain-c16(Cluster2) |<br></div><div>5) Cold migrate the VM instance<br></div><div>6) After migration finished, the VM goes to VERIFY_RESIZE status, and "nova show" indicates that the VM now located on host1:Cluster1<br>
| OS-EXT-SRV-ATTR:host | host1 |<br>
| OS-EXT-SRV-ATTR:hypervisor_hostname | domain-c12(Cluster1) |<br></div><div>7) But from vSphere client, it indicates the the VM was still running on Cluster2<br></div><div>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)
<br><br>
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<br>
2014-02-16 07:10:17.166 12720 TRACE nova.openstack.common.rpc.amqp migration=migration)<br>
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<br>
2014-02-16 07:10:17.166 12720 TRACE nova.openstack.common.rpc.amqp network_info)<br>
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<br>
2014-02-16 07:10:17.166 12720 TRACE nova.openstack.common.rpc.amqp _vmops = self._get_vmops_for_compute_node(instance['node'])<br>
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<br>
2014-02-16 07:10:17.166 12720 TRACE nova.openstack.common.rpc.amqp resource = self._get_resource_for_node(nodename)<br>
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<br>
2014-02-16 07:10:17.166 12720 TRACE nova.openstack.common.rpc.amqp raise exception.NotFound(msg)<br>
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<br>
2014-02-16 07:10:17.166 12720 TRACE nova.openstack.common.rpc.amqp <br><br><br></div><div><u><b>Scenario 2:</b></u></div><div><br>
1) Started two nova computes manage the two clusters, but the two computes have same nova conf.<br><div>1) nova-compute1.conf<br>
cluster_name=Cluster1<br>
cluster_name=Cluster2<br><br></div><div>2) nova-compute2.conf<br>
cluster_name=Cluster1<br></div>
cluster_name=Cluster2<br><br></div><div>3) Then create and resize/cold migrate a VM, it can always succeed.<br><br><br></div><div><u><b>Questions:</b></u><br></div><div>For multi-cluster management, does vmware require all nova compute have same cluster configuration to make sure resize/cold migration can succeed?
<br></div><div><br></div><div>-- <br><div dir="ltr"><div>Thanks,<br><br></div>
Jay<br></div></div></div></div></div></div></div></div></div></span></body></html>