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[Sean Dague <sean@xxxxxxxxx>]

** Changed in: nova
       Status: Incomplete => Invalid

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https://bugs.launchpad.net/bugs/1273268

Title:
  live-migration - instance could not be found

Status in OpenStack Compute (Nova):
  Invalid

Bug description:
  Starting a live-migration using "nova live-migration
  a7a78e36-e088-416c-9479-e95aa1a0f7ef" failes due to the fact that he's
  trying to detach the volume from the instance of the destination host
  instead of the source host.

  * Start live migration
  * Check logs on both Source and Destination Host

  === Source Host ===
  2014-01-27 15:03:57.554 2681 ERROR nova.virt.libvirt.driver [-] [instance: a7a78e36-e088-416c-9479-e95aa1a0f7ef] Live Migration failure: End of file while reading data: Input/output error

  === Destination Host ===
  2014-01-27 15:02:13.129 3742 AUDIT nova.compute.manager [req-8e878227-5ba7-4079-993b-aefa8ba621ed f17443ad86764e3a847667a608cb7181 cd0e923440eb4bbc8f3388e38544b977] [instance: a7a78e36-e088-416c-9479-e95aa1a0f7ef] Detach volume 2ab8cb25-8f79-4b8e-bc93-c52351df84ee from mountpoint vda
  2014-01-27 15:02:13.134 3742 WARNING nova.compute.manager [req-8e878227-5ba7-4079-993b-aefa8ba621ed f17443ad86764e3a847667a608cb7181 cd0e923440eb4bbc8f3388e38544b977] [instance: a7a78e36-e088-416c-9479-e95aa1a0f7ef] Detaching volume from unknown instance
  2014-01-27 15:02:13.138 3742 ERROR nova.compute.manager [req-8e878227-5ba7-4079-993b-aefa8ba621ed f17443ad86764e3a847667a608cb7181 cd0e923440eb4bbc8f3388e38544b977] [instance: a7a78e36-e088-416c-9479-e95aa1a0f7ef] Failed to detach volume 2ab8cb25-8f79-4b8e-bc93-c52351df84ee from vda
  2014-01-27 15:02:13.138 3742 TRACE nova.compute.manager [instance: a7a78e36-e088-416c-9479-e95aa1a0f7ef] Traceback (most recent call last):
  2014-01-27 15:02:13.138 3742 TRACE nova.compute.manager [instance: a7a78e36-e088-416c-9479-e95aa1a0f7ef]   File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 3725, in _detach_volume
  2014-01-27 15:02:13.138 3742 TRACE nova.compute.manager [instance: a7a78e36-e088-416c-9479-e95aa1a0f7ef]     encryption=encryption)
  2014-01-27 15:02:13.138 3742 TRACE nova.compute.manager [instance: a7a78e36-e088-416c-9479-e95aa1a0f7ef]   File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 1202, in detach_volume
  2014-01-27 15:02:13.138 3742 TRACE nova.compute.manager [instance: a7a78e36-e088-416c-9479-e95aa1a0f7ef]     virt_dom = self._lookup_by_name(instance_name)
  2014-01-27 15:02:13.138 3742 TRACE nova.compute.manager [instance: a7a78e36-e088-416c-9479-e95aa1a0f7ef]   File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 3085, in _lookup_by_name
  2014-01-27 15:02:13.138 3742 TRACE nova.compute.manager [instance: a7a78e36-e088-416c-9479-e95aa1a0f7ef]     raise exception.InstanceNotFound(instance_id=instance_name)
  2014-01-27 15:02:13.138 3742 TRACE nova.compute.manager [instance: a7a78e36-e088-416c-9479-e95aa1a0f7ef] InstanceNotFound: Instance instance-00000084 could not be found.
  2014-01-27 15:02:13.138 3742 TRACE nova.compute.manager [instance: a7a78e36-e088-416c-9479-e95aa1a0f7ef]
  2014-01-27 15:02:13.139 3742 DEBUG nova.volume.cinder [req-8e878227-5ba7-4079-993b-aefa8ba621ed f17443ad86764e3a847667a608cb7181 cd0e923440eb4bbc8f3388e38544b977] Cinderclient connection created using URL: http://10.3.0.2:8776/v1/cd0e923440eb4bbc8f3388e38544b977 cinderclient /usr/lib/python2.7/dist-packages/nova/volume/cinder.py:96
  2014-01-27 15:02:13.142 3742 INFO urllib3.connectionpool [-] Starting new HTTP connection (1): 10.3.0.2
  2014-01-27 15:02:13.230 3742 DEBUG urllib3.connectionpool [-] "POST /v1/cd0e923440eb4bbc8f3388e38544b977/volumes/2ab8cb25-8f79-4b8e-bc93-c52351df84ee/action HTTP/1.1" 202 0 _make_request /usr/lib/python2.7/dist-packages/urllib3/connectionpool.py:296

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