Public bug reported: If instance is booted from a volume, Nova won't allow to resize the instance down, despite the fact root disk (ephemeral) is not even used:
http://paste.openstack.org/show/164108/ malor@ubuntu:~/devstack$ nova resize --poll demo m1.tiny Server resizing... 100% complete Finished but in nova-compute.log: 2015-01-30 11:06:14.535 ERROR oslo.messaging.rpc.dispatcher [req-c788c8b2-d953-4f7f-962c-afca7ad41ff7 demo demo] Exception during message handling: Resize error: Unable to resize disk down. 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher Traceback (most recent call last): 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher File "/usr/local/lib/python2.7/dist-packages/oslo/messaging/rpc/dispatcher.py", line 137, in _dispatch_and_reply 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher incoming.message)) 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher File "/usr/local/lib/python2.7/dist-packages/oslo/messaging/rpc/dispatcher.py", line 180, in _dispatch 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher return self._do_dispatch(endpoint, method, ctxt, args) 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher File "/usr/local/lib/python2.7/dist-packages/oslo/messaging/rpc/dispatcher.py", line 126, in _do_dispatch 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher result = getattr(endpoint, method)(ctxt, **new_args) 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher File "/opt/stack/nova/nova/exception.py", line 88, in wrapped 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher payload) 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 82, in __exit__ 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher six.reraise(self.type_, self.value, self.tb) 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher File "/opt/stack/nova/nova/exception.py", line 71, in wrapped 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher return f(self, context, *args, **kw) 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher File "/opt/stack/nova/nova/compute/manager.py", line 296, in decorated_function 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher pass 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 82, in __exit__ 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher six.reraise(self.type_, self.value, self.tb) 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher File "/opt/stack/nova/nova/compute/manager.py", line 281, in decorated_function 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher return function(self, context, *args, **kwargs) 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher File "/opt/stack/nova/nova/compute/manager.py", line 346, in decorated_function 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher return function(self, context, *args, **kwargs) 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher File "/opt/stack/nova/nova/compute/manager.py", line 269, in decorated_function 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher migration.instance_uuid, exc_info=True) 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 82, in __exit__ 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher six.reraise(self.type_, self.value, self.tb) 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher File "/opt/stack/nova/nova/compute/manager.py", line 255, in decorated_function 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher return function(self, context, *args, **kwargs) 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher File "/opt/stack/nova/nova/compute/manager.py", line 324, in decorated_function 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher kwargs['instance'], e, sys.exc_info()) 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 82, in __exit__ 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher six.reraise(self.type_, self.value, self.tb) 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher File "/opt/stack/nova/nova/compute/manager.py", line 312, in decorated_function 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher return function(self, context, *args, **kwargs) 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher File "/opt/stack/nova/nova/compute/manager.py", line 3851, in resize_instance 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher self.instance_events.clear_events_for_instance(instance) 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher File "/usr/lib/python2.7/contextlib.py", line 35, in __exit__ 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher self.gen.throw(type, value, traceback) 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher File "/opt/stack/nova/nova/compute/manager.py", line 6183, in _error_out_instance_on_exception 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher raise error.inner_exception 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher ResizeError: Resize error: Unable to resize disk down. ** Affects: nova Importance: Undecided Status: New ** Tags: volumes ** Description changed: If instance is booted from a volume, Nova won't allow to resize the instance down, despite the fact root disk (ephemeral) is not even used: + + http://paste.openstack.org/show/164108/ 2015-01-30 11:06:14.535 ERROR oslo.messaging.rpc.dispatcher [req-c788c8b2-d953-4f7f-962c-afca7ad41ff7 demo demo] Exception during message handling: Resize error: Unable to resize disk down. 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher Traceback (most recent call last): 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher File "/usr/local/lib/python2.7/dist-packages/oslo/messaging/rpc/dispatcher.py", line 137, in _dispatch_and_reply 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher incoming.message)) 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher File "/usr/local/lib/python2.7/dist-packages/oslo/messaging/rpc/dispatcher.py", line 180, in _dispatch 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher return self._do_dispatch(endpoint, method, ctxt, args) 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher File "/usr/local/lib/python2.7/dist-packages/oslo/messaging/rpc/dispatcher.py", line 126, in _do_dispatch 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher result = getattr(endpoint, method)(ctxt, **new_args) 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher File "/opt/stack/nova/nova/exception.py", line 88, in wrapped 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher payload) 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 82, in __exit__ 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher six.reraise(self.type_, self.value, self.tb) 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher File "/opt/stack/nova/nova/exception.py", line 71, in wrapped 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher return f(self, context, *args, **kw) 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher File "/opt/stack/nova/nova/compute/manager.py", line 296, in decorated_function 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher pass 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 82, in __exit__ 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher six.reraise(self.type_, self.value, self.tb) 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher File "/opt/stack/nova/nova/compute/manager.py", line 281, in decorated_function 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher return function(self, context, *args, **kwargs) 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher File "/opt/stack/nova/nova/compute/manager.py", line 346, in decorated_function 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher return function(self, context, *args, **kwargs) 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher File "/opt/stack/nova/nova/compute/manager.py", line 269, in decorated_function 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher migration.instance_uuid, exc_info=True) 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 82, in __exit__ 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher six.reraise(self.type_, self.value, self.tb) 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher File "/opt/stack/nova/nova/compute/manager.py", line 255, in decorated_function 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher return function(self, context, *args, **kwargs) 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher File "/opt/stack/nova/nova/compute/manager.py", line 324, in decorated_function 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher kwargs['instance'], e, sys.exc_info()) 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 82, in __exit__ 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher six.reraise(self.type_, self.value, self.tb) 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher File "/opt/stack/nova/nova/compute/manager.py", line 312, in decorated_function 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher return function(self, context, *args, **kwargs) 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher File "/opt/stack/nova/nova/compute/manager.py", line 3851, in resize_instance 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher self.instance_events.clear_events_for_instance(instance) 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher File "/usr/lib/python2.7/contextlib.py", line 35, in __exit__ 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher self.gen.throw(type, value, traceback) 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher File "/opt/stack/nova/nova/compute/manager.py", line 6183, in _error_out_instance_on_exception 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher raise error.inner_exception 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher ResizeError: Resize error: Unable to resize disk down. ** Description changed: If instance is booted from a volume, Nova won't allow to resize the instance down, despite the fact root disk (ephemeral) is not even used: http://paste.openstack.org/show/164108/ + + malor@ubuntu:~/devstack$ nova resize --poll demo m1.tiny + + Server resizing... 100% complete + Finished + + but in nova-compute.log: 2015-01-30 11:06:14.535 ERROR oslo.messaging.rpc.dispatcher [req-c788c8b2-d953-4f7f-962c-afca7ad41ff7 demo demo] Exception during message handling: Resize error: Unable to resize disk down. 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher Traceback (most recent call last): 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher File "/usr/local/lib/python2.7/dist-packages/oslo/messaging/rpc/dispatcher.py", line 137, in _dispatch_and_reply 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher incoming.message)) 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher File "/usr/local/lib/python2.7/dist-packages/oslo/messaging/rpc/dispatcher.py", line 180, in _dispatch 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher return self._do_dispatch(endpoint, method, ctxt, args) 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher File "/usr/local/lib/python2.7/dist-packages/oslo/messaging/rpc/dispatcher.py", line 126, in _do_dispatch 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher result = getattr(endpoint, method)(ctxt, **new_args) 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher File "/opt/stack/nova/nova/exception.py", line 88, in wrapped 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher payload) 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 82, in __exit__ 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher six.reraise(self.type_, self.value, self.tb) 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher File "/opt/stack/nova/nova/exception.py", line 71, in wrapped 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher return f(self, context, *args, **kw) 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher File "/opt/stack/nova/nova/compute/manager.py", line 296, in decorated_function 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher pass 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 82, in __exit__ 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher six.reraise(self.type_, self.value, self.tb) 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher File "/opt/stack/nova/nova/compute/manager.py", line 281, in decorated_function 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher return function(self, context, *args, **kwargs) 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher File "/opt/stack/nova/nova/compute/manager.py", line 346, in decorated_function 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher return function(self, context, *args, **kwargs) 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher File "/opt/stack/nova/nova/compute/manager.py", line 269, in decorated_function 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher migration.instance_uuid, exc_info=True) 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 82, in __exit__ 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher six.reraise(self.type_, self.value, self.tb) 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher File "/opt/stack/nova/nova/compute/manager.py", line 255, in decorated_function 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher return function(self, context, *args, **kwargs) 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher File "/opt/stack/nova/nova/compute/manager.py", line 324, in decorated_function 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher kwargs['instance'], e, sys.exc_info()) 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 82, in __exit__ 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher six.reraise(self.type_, self.value, self.tb) 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher File "/opt/stack/nova/nova/compute/manager.py", line 312, in decorated_function 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher return function(self, context, *args, **kwargs) 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher File "/opt/stack/nova/nova/compute/manager.py", line 3851, in resize_instance 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher self.instance_events.clear_events_for_instance(instance) 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher File "/usr/lib/python2.7/contextlib.py", line 35, in __exit__ 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher self.gen.throw(type, value, traceback) 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher File "/opt/stack/nova/nova/compute/manager.py", line 6183, in _error_out_instance_on_exception 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher raise error.inner_exception 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher ResizeError: Resize error: Unable to resize disk down. -- You received this bug notification because you are a member of Yahoo! Engineering Team, which is subscribed to OpenStack Compute (nova). https://bugs.launchpad.net/bugs/1416361 Title: Nova doesn't allow to resize down an instance booted from a volume Status in OpenStack Compute (Nova): New Bug description: If instance is booted from a volume, Nova won't allow to resize the instance down, despite the fact root disk (ephemeral) is not even used: http://paste.openstack.org/show/164108/ malor@ubuntu:~/devstack$ nova resize --poll demo m1.tiny Server resizing... 100% complete Finished but in nova-compute.log: 2015-01-30 11:06:14.535 ERROR oslo.messaging.rpc.dispatcher [req-c788c8b2-d953-4f7f-962c-afca7ad41ff7 demo demo] Exception during message handling: Resize error: Unable to resize disk down. 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher Traceback (most recent call last): 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher File "/usr/local/lib/python2.7/dist-packages/oslo/messaging/rpc/dispatcher.py", line 137, in _dispatch_and_reply 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher incoming.message)) 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher File "/usr/local/lib/python2.7/dist-packages/oslo/messaging/rpc/dispatcher.py", line 180, in _dispatch 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher return self._do_dispatch(endpoint, method, ctxt, args) 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher File "/usr/local/lib/python2.7/dist-packages/oslo/messaging/rpc/dispatcher.py", line 126, in _do_dispatch 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher result = getattr(endpoint, method)(ctxt, **new_args) 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher File "/opt/stack/nova/nova/exception.py", line 88, in wrapped 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher payload) 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 82, in __exit__ 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher six.reraise(self.type_, self.value, self.tb) 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher File "/opt/stack/nova/nova/exception.py", line 71, in wrapped 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher return f(self, context, *args, **kw) 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher File "/opt/stack/nova/nova/compute/manager.py", line 296, in decorated_function 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher pass 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 82, in __exit__ 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher six.reraise(self.type_, self.value, self.tb) 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher File "/opt/stack/nova/nova/compute/manager.py", line 281, in decorated_function 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher return function(self, context, *args, **kwargs) 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher File "/opt/stack/nova/nova/compute/manager.py", line 346, in decorated_function 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher return function(self, context, *args, **kwargs) 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher File "/opt/stack/nova/nova/compute/manager.py", line 269, in decorated_function 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher migration.instance_uuid, exc_info=True) 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 82, in __exit__ 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher six.reraise(self.type_, self.value, self.tb) 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher File "/opt/stack/nova/nova/compute/manager.py", line 255, in decorated_function 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher return function(self, context, *args, **kwargs) 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher File "/opt/stack/nova/nova/compute/manager.py", line 324, in decorated_function 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher kwargs['instance'], e, sys.exc_info()) 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 82, in __exit__ 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher six.reraise(self.type_, self.value, self.tb) 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher File "/opt/stack/nova/nova/compute/manager.py", line 312, in decorated_function 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher return function(self, context, *args, **kwargs) 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher File "/opt/stack/nova/nova/compute/manager.py", line 3851, in resize_instance 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher self.instance_events.clear_events_for_instance(instance) 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher File "/usr/lib/python2.7/contextlib.py", line 35, in __exit__ 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher self.gen.throw(type, value, traceback) 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher File "/opt/stack/nova/nova/compute/manager.py", line 6183, in _error_out_instance_on_exception 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher raise error.inner_exception 2015-01-30 11:06:14.535 TRACE oslo.messaging.rpc.dispatcher ResizeError: Resize error: Unable to resize disk down. 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