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[ganesan <ganesan_jd@xxxxxxxxxxx>]

Public bug reported:

I am trying to do live migration from one compute node to another and
caught up following error


--------------------------------------+-------------------------+------------------------------------------------------------------------------
| Server UUID                          | Live Migration Accepted | Error Message                                                                                                                  
                           |
+--------------------------------------+-------------------------+----------------------------------------------------------------------------
| 90ec0f95-0a11-4c8f-85dd-61e84a30ddf5 | False                   | Error while live migrating instance: Unexpected API Error. Please report this at http://bugs.launchpad.net/nova/ and attach the
 Nova API log if possible. |
|                                      |                         | <class 'MigrationError_Remote'> (HTTP 500) (Request-ID: req-3af90a50-6e24-4aab-9e17-c5a02c8dd01a)                              
                           |
+--------------------------------------+-------------------------+----------------------------------------------------------------------------


I can also see the message which say "file a bug" in the nova-api.log

2015-10-29 15:46:31.132 3673 ERROR nova.api.openstack.extensions 
2015-10-29 15:46:31.132 3673 ERROR nova.api.openstack.extensions 
2015-10-29 15:46:31.136 3673 INFO nova.api.openstack.wsgi [req-3af90a50-6e24-4aab-9e17-c5a02c8dd01a d56196a1b14440ce9eca390f9274bc52 3da95862a19b4b3b99b00bf60b3fd491 - - -] HTTP exception thrown: 
Unexpected API Error. Please report this at http://bugs.launchpad.net/nova/ and attach the Nova API log if possible.
<class 'MigrationError_Remote'>
2015-10-29 15:46:31.137 3673 INFO nova.osapi_compute.wsgi.server [req-3af90a50-6e24-4aab-9e17-c5a02c8dd01a d56196a1b14440ce9eca390f9274bc52 3da95862a19b4b3b99b00bf60b3fd491 - - -] 10.18.113.6 "POS
T /v2/3da95862a19b4b3b99b00bf60b3fd491/servers/90ec0f95-0a11-4c8f-85dd-61e84a30ddf5/action HTTP/1.1" status: 500 len: 426 time: 5.9757509


Version Details
-----------------
OpenStack - Liberty Release
Nova version - 12.0.1-dev1.el7.centos

[root@hiqa-esx16 nova]# nova-manage version 
No handlers could be found for logger "oslo_config.cfg"
12.0.1-dev1.el7.centos
[root@hiqa-esx16 nova]# 


Steps to Reproduce
----------------------
1. Installed OpenStack multinode setup ( 2 compute node)
2. Configured volume backend by using nimble array
3. Created volume with CentOS7 image
4. Launched an instance on each compute node
5. Performed the live migration by issuing the below command

nova host-evacuate-live <compute-node2> <compute-node1>

Performing to migrate instance from compute-node2 to compute-node1

** Affects: nova
     Importance: Undecided
         Status: New


** Tags: live-migration

** Attachment added: "nova-api logs"
   https://bugs.launchpad.net/bugs/1511551/+attachment/4508807/+files/nova-api.log

-- 
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https://bugs.launchpad.net/bugs/1511551

Title:
  Live migration of instance is getting failed

Status in OpenStack Compute (nova):
  New

Bug description:
  I am trying to do live migration from one compute node to another and
  caught up following error

  
  --------------------------------------+-------------------------+------------------------------------------------------------------------------
  | Server UUID                          | Live Migration Accepted | Error Message                                                                                                                  
                             |
  +--------------------------------------+-------------------------+----------------------------------------------------------------------------
  | 90ec0f95-0a11-4c8f-85dd-61e84a30ddf5 | False                   | Error while live migrating instance: Unexpected API Error. Please report this at http://bugs.launchpad.net/nova/ and attach the
   Nova API log if possible. |
  |                                      |                         | <class 'MigrationError_Remote'> (HTTP 500) (Request-ID: req-3af90a50-6e24-4aab-9e17-c5a02c8dd01a)                              
                             |
  +--------------------------------------+-------------------------+----------------------------------------------------------------------------

  
  I can also see the message which say "file a bug" in the nova-api.log

  2015-10-29 15:46:31.132 3673 ERROR nova.api.openstack.extensions 
  2015-10-29 15:46:31.132 3673 ERROR nova.api.openstack.extensions 
  2015-10-29 15:46:31.136 3673 INFO nova.api.openstack.wsgi [req-3af90a50-6e24-4aab-9e17-c5a02c8dd01a d56196a1b14440ce9eca390f9274bc52 3da95862a19b4b3b99b00bf60b3fd491 - - -] HTTP exception thrown: 
  Unexpected API Error. Please report this at http://bugs.launchpad.net/nova/ and attach the Nova API log if possible.
  <class 'MigrationError_Remote'>
  2015-10-29 15:46:31.137 3673 INFO nova.osapi_compute.wsgi.server [req-3af90a50-6e24-4aab-9e17-c5a02c8dd01a d56196a1b14440ce9eca390f9274bc52 3da95862a19b4b3b99b00bf60b3fd491 - - -] 10.18.113.6 "POS
  T /v2/3da95862a19b4b3b99b00bf60b3fd491/servers/90ec0f95-0a11-4c8f-85dd-61e84a30ddf5/action HTTP/1.1" status: 500 len: 426 time: 5.9757509

  
  Version Details
  -----------------
  OpenStack - Liberty Release
  Nova version - 12.0.1-dev1.el7.centos

  [root@hiqa-esx16 nova]# nova-manage version 
  No handlers could be found for logger "oslo_config.cfg"
  12.0.1-dev1.el7.centos
  [root@hiqa-esx16 nova]# 

  
  Steps to Reproduce
  ----------------------
  1. Installed OpenStack multinode setup ( 2 compute node)
  2. Configured volume backend by using nimble array
  3. Created volume with CentOS7 image
  4. Launched an instance on each compute node
  5. Performed the live migration by issuing the below command

  nova host-evacuate-live <compute-node2> <compute-node1>

  Performing to migrate instance from compute-node2 to compute-node1

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