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[Eric Xie <mark_xiett@xxxxxxx>]

*** This bug is a duplicate of bug 1404801 ***
    https://bugs.launchpad.net/bugs/1404801

** This bug has been marked a duplicate of bug 1404801
   Unshelve instance not working if instance is boot from volume

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https://bugs.launchpad.net/bugs/1406440

Title:
  unshelve failed when instance attached volume

Status in OpenStack Compute (Nova):
  New

Bug description:
  unshelved instance  failed when the instance attached one volume.

  reproduce:
  1. instance boot from image;
  2. create 1GB volume in lvm, use local storage;
  3. attach volume to instance;
  4. shelve instance, then unshelve instance

  detail logs:
  2014-12-30 08:43:17.401 8797 ERROR nova.compute.manager [req-df836400-b68f-4a0b-89a1-055dcad00b70 40dc8656066f432895be13be71e44b86 a20fb3edeab44755a861f510183a679a] [instance: 1632aa3b-5a00-495a-9041-283566592a65] Instance failed block device setup
  2014-12-30 08:43:17.401 8797 TRACE nova.compute.manager [instance: 1632aa3b-5a00-495a-9041-283566592a65] Traceback (most recent call last):
  2014-12-30 08:43:17.401 8797 TRACE nova.compute.manager [instance: 1632aa3b-5a00-495a-9041-283566592a65]   File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 1890, in _prep_block_device
  2014-12-30 08:43:17.401 8797 TRACE nova.compute.manager [instance: 1632aa3b-5a00-495a-9041-283566592a65]     self.driver, self._await_block_device_map_created) +
  2014-12-30 08:43:17.401 8797 TRACE nova.compute.manager [instance: 1632aa3b-5a00-495a-9041-283566592a65]   File "/usr/lib/python2.7/site-packages/nova/virt/block_device.py", line 367, in attach_block_devices
  2014-12-30 08:43:17.401 8797 TRACE nova.compute.manager [instance: 1632aa3b-5a00-495a-9041-283566592a65]     map(_log_and_attach, block_device_mapping)
  2014-12-30 08:43:17.401 8797 TRACE nova.compute.manager [instance: 1632aa3b-5a00-495a-9041-283566592a65]   File "/usr/lib/python2.7/site-packages/nova/virt/block_device.py", line 365, in _log_and_attach
  2014-12-30 08:43:17.401 8797 TRACE nova.compute.manager [instance: 1632aa3b-5a00-495a-9041-283566592a65]     bdm.attach(*attach_args, **attach_kwargs)
  2014-12-30 08:43:17.401 8797 TRACE nova.compute.manager [instance: 1632aa3b-5a00-495a-9041-283566592a65]   File "/usr/lib/python2.7/site-packages/nova/virt/block_device.py", line 44, in wrapped
  2014-12-30 08:43:17.401 8797 TRACE nova.compute.manager [instance: 1632aa3b-5a00-495a-9041-283566592a65]     ret_val = method(obj, context, *args, **kwargs) 2014-12-30 08:43:17.401 8797 TRACE nova.compute.manager [instance: 1632aa3b-5a00-495a-9041-283566592a65]   File "/usr/lib/python2.7/site-packages/nova/virt/block_device.py", line 217, in attach
  2014-12-30 08:43:17.401 8797 TRACE nova.compute.manager [instance: 1632aa3b-5a00-495a-9041-283566592a65]     volume_api.check_attach(context, volume, instance=instance)
  2014-12-30 08:43:17.401 8797 TRACE nova.compute.manager [instance: 1632aa3b-5a00-495a-9041-283566592a65]   File "/usr/lib/python2.7/site-packages/nova/volume/cinder.py", line 234, in check_attach
  2014-12-30 08:43:17.401 8797 TRACE nova.compute.manager [instance: 1632aa3b-5a00-495a-9041-283566592a65]     raise exception.InvalidVolume(reason=msg)
  2014-12-30 08:43:17.401 8797 TRACE nova.compute.manager [instance: 1632aa3b-5a00-495a-9041-283566592a65] InvalidVolume: Invalid volume: Volume has been attached to the instance

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