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[Thierry Carrez <thierry.carrez+lp@xxxxxxxxx>]

** Changed in: nova
       Status: Fix Committed => Fix Released

** Changed in: nova
    Milestone: None => kilo-1

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https://bugs.launchpad.net/bugs/1340411

Title:
  Evacuate Fails 'Invalid state of instance files' using Ceph Ephemeral
  RBD

Status in OpenStack Compute (Nova):
  Fix Released
Status in OpenStack Compute (nova) juno series:
  Fix Released

Bug description:
  Greetings,

  
  We can't seem to be able to evacuate instances from a failed compute node using shared storage. We are using Ceph Ephemeral RBD as the storage medium.

  
  Steps to reproduce:

  nova evacuate --on-shared-storage 6e2081ec-2723-43c7-a730-488bb863674c node-24
  or
  POST  to http://ip-address:port/v2/tenant_id/servers/server_id/action with 
  {"evacuate":{"host":"node-24","onSharedStorage":1}}

  
  Here is what shows up in the logs:

  
  180>Jul 10 20:36:48 node-24 nova-nova.compute.manager AUDIT: Rebuilding instance
  <179>Jul 10 20:36:48 node-24 nova-nova.compute.manager ERROR: Setting instance vm_state to ERROR
  Traceback (most recent call last):
    File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 5554, in _error_out_instance_on_exception
      yield
    File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 2434, in rebuild_instance
      _("Invalid state of instance files on shared"
  InvalidSharedStorage: Invalid state of instance files on shared storage
  <179>Jul 10 20:36:49 node-24 nova-oslo.messaging.rpc.dispatcher ERROR: Exception during message handling: Invalid state of instance files on shared storage
  Traceback (most recent call last):
    File "/usr/lib/python2.7/dist-packages/oslo/messaging/rpc/dispatcher.py", line 133, in _dispatch_and_reply
      incoming.message))
    File "/usr/lib/python2.7/dist-packages/oslo/messaging/rpc/dispatcher.py", line 176, in _dispatch
      return self._do_dispatch(endpoint, method, ctxt, args)
    File "/usr/lib/python2.7/dist-packages/oslo/messaging/rpc/dispatcher.py", line 122, in _do_dispatch
      result = getattr(endpoint, method)(ctxt, **new_args)
    File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 393, in decorated_function
      return function(self, context, *args, **kwargs)
    File "/usr/lib/python2.7/dist-packages/oslo/messaging/rpc/server.py", line 139, in inner
      return func(*args, **kwargs)
    File "/usr/lib/python2.7/dist-packages/nova/exception.py", line 88, in wrapped
      payload)
    File "/usr/lib/python2.7/dist-packages/nova/openstack/common/excutils.py", line 68, in __exit__
      six.reraise(self.type_, self.value, self.tb)
    File "/usr/lib/python2.7/dist-packages/nova/exception.py", line 71, in wrapped
      return f(self, context, *args, **kw)
    File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 274, in decorated_function
      pass
    File "/usr/lib/python2.7/dist-packages/nova/openstack/common/excutils.py", line 68, in __exit__
      six.reraise(self.type_, self.value, self.tb)
    File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 260, in decorated_function
      return function(self, context, *args, **kwargs)
    File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 327, in decorated_function
      function(self, context, *args, **kwargs)
    File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 303, in decorated_function
      e, sys.exc_info())
    File "/usr/lib/python2.7/dist-packages/nova/openstack/common/excutils.py", line 68, in __exit__
      six.reraise(self.type_, self.value, self.tb)
    File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 290, in decorated_function
      return function(self, context, *args, **kwargs)
    File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 2434, in rebuild_instance
      _("Invalid state of instance files on shared"
  InvalidSharedStorage: Invalid state of instance files on shared storage

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