Open Stack

Hi All,

Two tier set up with centos (icehouse) KVM.

Unable to resize the instance from m1.small to m1.tiny.




Please find the error details below.


2014-07-14 15:53:07.705 1843 ERROR oslo.messaging.rpc.dispatcher [-]
Exception during message handling: Resize error: Unable to resize disk down.
2014-07-14 15:53:07.705 1843 TRACE oslo.messaging.rpc.dispatcher Traceback
(most recent call last):
2014-07-14 15:53:07.705 1843 TRACE oslo.messaging.rpc.dispatcher   File
"/usr/lib/python2.6/site-packages/oslo/messaging/rpc/dispatcher.py", line
133, in _dispatch_and_reply
2014-07-14 15:53:07.705 1843 TRACE oslo.messaging.rpc.dispatcher
incoming.message))
2014-07-14 15:53:07.705 1843 TRACE oslo.messaging.rpc.dispatcher   File
"/usr/lib/python2.6/site-packages/oslo/messaging/rpc/dispatcher.py", line
176, in _dispatch
2014-07-14 15:53:07.705 1843 TRACE oslo.messaging.rpc.dispatcher     return
self._do_dispatch(endpoint, method, ctxt, args)
2014-07-14 15:53:07.705 1843 TRACE oslo.messaging.rpc.dispatcher   File
"/usr/lib/python2.6/site-packages/oslo/messaging/rpc/dispatcher.py", line
122, in _do_dispatch
2014-07-14 15:53:07.705 1843 TRACE oslo.messaging.rpc.dispatcher     result
= getattr(endpoint, method)(ctxt, **new_args)
2014-07-14 15:53:07.705 1843 TRACE oslo.messaging.rpc.dispatcher   File
"/usr/lib/python2.6/site-packages/nova/exception.py", line 88, in wrapped
2014-07-14 15:53:07.705 1843 TRACE oslo.messaging.rpc.dispatcher
payload)
2014-07-14 15:53:07.705 1843 TRACE oslo.messaging.rpc.dispatcher   File
"/usr/lib/python2.6/site-packages/nova/openstack/common/excutils.py", line
68, in __exit__
2014-07-14 15:53:07.705 1843 TRACE oslo.messaging.rpc.dispatcher
six.reraise(self.type_, self.value, self.tb)
2014-07-14 15:53:07.705 1843 TRACE oslo.messaging.rpc.dispatcher   File
"/usr/lib/python2.6/site-packages/nova/exception.py", line 71, in wrapped
2014-07-14 15:53:07.705 1843 TRACE oslo.messaging.rpc.dispatcher     return
f(self, context, *args, **kw)
2014-07-14 15:53:07.705 1843 TRACE oslo.messaging.rpc.dispatcher   File
"/usr/lib/python2.6/site-packages/nova/compute/manager.py", line 280, in
decorated_function
2014-07-14 15:53:07.705 1843 TRACE oslo.messaging.rpc.dispatcher     pass
2014-07-14 15:53:07.705 1843 TRACE oslo.messaging.rpc.dispatcher   File
"/usr/lib/python2.6/site-packages/nova/openstack/common/excutils.py", line
68, in __exit__
2014-07-14 15:53:07.705 1843 TRACE oslo.messaging.rpc.dispatcher
six.reraise(self.type_, self.value, self.tb)
2014-07-14 15:53:07.705 1843 TRACE oslo.messaging.rpc.dispatcher   File
"/usr/lib/python2.6/site-packages/nova/compute/manager.py", line 266, in
decorated_function
2014-07-14 15:53:07.705 1843 TRACE oslo.messaging.rpc.dispatcher     return
function(self, context, *args, **kwargs)
2014-07-14 15:53:07.705 1843 TRACE oslo.messaging.rpc.dispatcher   File
"/usr/lib/python2.6/site-packages/nova/compute/manager.py", line 333, in
decorated_function
2014-07-14 15:53:07.705 1843 TRACE oslo.messaging.rpc.dispatcher
function(self, context, *args, **kwargs)
2014-07-14 15:53:07.705 1843 TRACE oslo.messaging.rpc.dispatcher   File
"/usr/lib/python2.6/site-packages/nova/compute/manager.py", line 254, in
decorated_function
2014-07-14 15:53:07.705 1843 TRACE oslo.messaging.rpc.dispatcher     break
2014-07-14 15:53:07.705 1843 TRACE oslo.messaging.rpc.dispatcher   File
"/usr/lib/python2.6/site-packages/nova/openstack/common/excutils.py", line
68, in __exit__
2014-07-14 15:53:07.705 1843 TRACE oslo.messaging.rpc.dispatcher
six.reraise(self.type_, self.value, self.tb)
2014-07-14 15:53:07.705 1843 TRACE oslo.messaging.rpc.dispatcher   File
"/usr/lib/python2.6/site-packages/nova/compute/manager.py", line 235, in
decorated_function
2014-07-14 15:53:07.705 1843 TRACE oslo.messaging.rpc.dispatcher     return
function(self, context, *args, **kwargs)
2014-07-14 15:53:07.705 1843 TRACE oslo.messaging.rpc.dispatcher   File
"/usr/lib/python2.6/site-packages/nova/compute/manager.py", line 309, in
decorated_function
2014-07-14 15:53:07.705 1843 TRACE oslo.messaging.rpc.dispatcher     e,
sys.exc_info())
2014-07-14 15:53:07.705 1843 TRACE oslo.messaging.rpc.dispatcher   File
"/usr/lib/python2.6/site-packages/nova/openstack/common/excutils.py", line
68, in __exit__
2014-07-14 15:53:07.705 1843 TRACE oslo.messaging.rpc.dispatcher
six.reraise(self.type_, self.value, self.tb)
2014-07-14 15:53:07.705 1843 TRACE oslo.messaging.rpc.dispatcher   File
"/usr/lib/python2.6/site-packages/nova/compute/manager.py", line 296, in
decorated_function
2014-07-14 15:53:07.705 1843 TRACE oslo.messaging.rpc.dispatcher     return
function(self, context, *args, **kwargs)
2014-07-14 15:53:07.705 1843 TRACE oslo.messaging.rpc.dispatcher   File
"/usr/lib/python2.6/site-packages/nova/compute/manager.py", line 3464, in
resize_instance
2014-07-14 15:53:07.705 1843 TRACE oslo.messaging.rpc.dispatcher
self.instance_events.clear_events_for_instance(instance)
2014-07-14 15:53:07.705 1843 TRACE oslo.messaging.rpc.dispatcher   File
"/usr/lib64/python2.6/contextlib.py", line 34, in __exit__
2014-07-14 15:53:07.705 1843 TRACE oslo.messaging.rpc.dispatcher
self.gen.throw(type, value, traceback)
2014-07-14 15:53:07.705 1843 TRACE oslo.messaging.rpc.dispatcher   File
"/usr/lib/python2.6/site-packages/nova/compute/manager.py", line 5556, in
_error_out_instance_on_exception
2014-07-14 15:53:07.705 1843 TRACE oslo.messaging.rpc.dispatcher     raise
error.inner_exception
2014-07-14 15:53:07.705 1843 TRACE oslo.messaging.rpc.dispatcher
ResizeError: Resize error: Unable to resize disk down.
2014-07-14 15:53:07.705 1843 TRACE oslo.messaging.rpc.dispatcher
2014-07-14 15:53:07.707 1843 ERROR oslo.messaging._drivers.common [-]
Returning exception Resize error: Unable to resize disk down. to caller
2014-07-14 15:53:07.707 1843 ERROR oslo.messaging._drivers.common [-]
['Traceback (most recent call last):\n', '  File
"/usr/lib/python2.6/site-packages/oslo/messaging/rpc/dispatcher.py", line
133, in _dispatch_and_reply\n    incoming.message))\n', '  File
"/usr/lib/python2.6/site-packages/oslo/messaging/rpc/dispatcher.py", line
176, in _dispatch\n    return self._do_dispatch(endpoint, method, ctxt,
args)\n', '  File
"/usr/lib/python2.6/site-packages/oslo/messaging/rpc/dispatcher.py", line
122, in _do_dispatch\n    result = getattr(endpoint, method)(ctxt,
**new_args)\n', '  File
"/usr/lib/python2.6/site-packages/nova/exception.py", line 88, in
wrapped\n    payload)\n', '  File
"/usr/lib/python2.6/site-packages/nova/openstack/common/excutils.py", line
68, in __exit__\n    six.reraise(self.type_, self.value, self.tb)\n', '
File "/usr/lib/python2.6/site-packages/nova/exception.py", line 71, in
wrapped\n    return f(self, context, *args, **kw)\n', '  File
"/usr/lib/python2.6/site-packages/nova/compute/manager.py", line 280, in
decorated_function\n    pass\n', '  File
"/usr/lib/python2.6/site-packages/nova/openstack/common/excutils.py", line
68, in __exit__\n    six.reraise(self.type_, self.value, self.tb)\n', '
File "/usr/lib/python2.6/site-packages/nova/compute/manager.py", line 266,
in decorated_function\n    return function(self, context, *args,
**kwargs)\n', '  File
"/usr/lib/python2.6/site-packages/nova/compute/manager.py", line 333, in
decorated_function\n    function(self, context, *args, **kwargs)\n', '
File "/usr/lib/python2.6/site-packages/nova/compute/manager.py", line 254,
in decorated_function\n    break\n', '  File
"/usr/lib/python2.6/site-packages/nova/openstack/common/excutils.py", line
68, in __exit__\n    six.reraise(self.type_, self.value, self.tb)\n', '
File "/usr/lib/python2.6/site-packages/nova/compute/manager.py", line 235,
in decorated_function\n    return function(self, context, *args,
**kwargs)\n', '  File
"/usr/lib/python2.6/site-packages/nova/compute/manager.py", line 309, in
decorated_function\n    e, sys.exc_info())\n', '  File
"/usr/lib/python2.6/site-packages/nova/openstack/common/excutils.py", line
68, in __exit__\n    six.reraise(self.type_, self.value, self.tb)\n', '
File "/usr/lib/python2.6/site-packages/nova/compute/manager.py", line 296,
in decorated_function\n    return function(self, context, *args,
**kwargs)\n', '  File
"/usr/lib/python2.6/site-packages/nova/compute/manager.py", line 3464, in
resize_instance\n
self.instance_events.clear_events_for_instance(instance)\n', '  File
"/usr/lib64/python2.6/contextlib.py", line 34, in __exit__\n
self.gen.throw(type, value, traceback)\n', '  File
"/usr/lib/python2.6/site-packages/nova/compute/manager.py", line 5556, in
_error_out_instance_on_exception\n    raise error.inner_exception\n',
'ResizeError: Resize error: Unable to resize disk down.\n']





Please guide me on this.






Regards,
Dhanesh M.
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