"nova host-evacuate" fails with an error.

Issue

• nova host-evacuate fails with following error on target compute node:

[...]
2015-07-10 15:42:50.163 2322 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 359, in decorated_function
2015-07-10 15:42:50.163 2322 TRACE oslo.messaging.rpc.dispatcher     return function(self, context, *args, **kwargs)
2015-07-10 15:42:50.163 2322 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 337, in decorated_function
2015-07-10 15:42:50.163 2322 TRACE oslo.messaging.rpc.dispatcher     kwargs['instance'], e, sys.exc_info())
2015-07-10 15:42:50.163 2322 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/site-packages/nova/openstack/common/excutils.py", line 82, in __exit__
2015-07-10 15:42:50.163 2322 TRACE oslo.messaging.rpc.dispatcher     six.reraise(self.type_, self.value, self.tb)
2015-07-10 15:42:50.163 2322 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 325, in decorated_function
2015-07-10 15:42:50.163 2322 TRACE oslo.messaging.rpc.dispatcher     return function(self, context, *args, **kwargs)
2015-07-10 15:42:50.163 2322 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 2781, in rebuild_instance
2015-07-10 15:42:50.163 2322 TRACE oslo.messaging.rpc.dispatcher     _("Invalid state of instance files on shared"
2015-07-10 15:42:50.163 2322 TRACE oslo.messaging.rpc.dispatcher InvalidSharedStorage: Invalid state of instance files on shared storage <==
2015-07-10 15:42:50.163 2322 TRACE oslo.messaging.rpc.dispatcher 
2015-07-10 15:42:53.767 2322 DEBUG nova.openstack.common.periodic_task [-] Running periodic task ComputeManager._run_pending_deletes run_periodic_tasks /usr/lib/python2.7/site-packages/nova/openstack/common/periodic_task.py:193