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[Charlotte Han <han.rong3@xxxxxxxxxx>]

compute node1 nova.conf /opt/stack/data/nova/instances
compute node2 nova.conf /opt/stack/data/instances

nova.conf is error.

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

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https://bugs.launchpad.net/bugs/1612912

Title:
  live-migration due to Unable to pre-create chardev file console.log

Status in OpenStack Compute (nova):
  Invalid

Bug description:
  Description
  ===========
  I created a instance with local disk, and live migrated it, and this action failed.

  Steps to reproduce
  ==================
  A chronological list of steps which will bring off the
  issue you noticed:
  * I did create a instance with local disk
  * then I did live-migration
  * then instance was active, task_state was none and it was still on source compute node.

  Expected result
  ===============
  live-migration action is successful.

  Environment
  ===========
  1. Exact version of OpenStack you are running. See the following
    list for all releases: http://docs.openstack.org/releases/

  $ git log -1

  commit 8435999c782d4cca00c9e362e393019b43abb366
  Merge: 9a26e92 6e81fa4
  Author: Jenkins <jenkins@xxxxxxxxxxxxxxxxxxxx>
  Date:   Fri Jun 17 23:01:21 2016 +0000

      Merge "Re-deprecate use_usb_tablet config option"

  2. Which hypervisor did you use?
     Libvirt + KVM,

  3. Which storage type did you use?
     local disk

  Logs & Configs
  ===========
  2016-08-13 14:57:55.649 INFO nova.virt.libvirt.driver [req-2eb18c6b-01c8-4b5c-8aba-248624263cc5 admin admin] [instance: b8301519-e567-4222-813c-eb13653351e2] Increasing downtime to 46 ms after 0 sec elapsed time
  2016-08-13 14:57:56.368 INFO nova.virt.libvirt.driver [req-2eb18c6b-01c8-4b5c-8aba-248624263cc5 admin admin] [instance: b8301519-e567-4222-813c-eb13653351e2] Migration running for 0 secs, memory 100% remaining; (bytes processed=0, remaining=0, total=0)
  2016-08-13 14:57:56.901 ERROR nova.virt.libvirt.driver [req-2eb18c6b-01c8-4b5c-8aba-248624263cc5 admin admin] [instance: b8301519-e567-4222-813c-eb13653351e2] Live Migration failure: Unable to pre-create chardev file '/opt/stack/data/instances/b8301519-e567-4222-813c-eb13653351e2/console.log': No such file or directory
  libvirtError: Unable to pre-create chardev file '/opt/stack/data/instances/b8301519-e567-4222-813c-eb13653351e2/console.log': No such file or directory
  2016-08-13 14:57:57.372 ERROR nova.virt.libvirt.driver [req-2eb18c6b-01c8-4b5c-8aba-248624263cc5 admin admin] [instance: b8301519-e567-4222-813c-eb13653351e2] Migration operation has aborted

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