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Cannot create snapshot of instance on CentOS7 with Icehouse

Hi All!

I created a test enviroment with few servers based on CentOS7. When I try to create a snapshot from a running instance it fails. I found this error in log file:

2014-09-10 10:09:37.927 9042 ERROR oslo.messaging.rpc.dispatcher [-] Exception during message handling: unsupported configuration: block copy is not supported with this QEMU binary
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher Traceback (most recent call last):
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/site-packages/oslo/messaging/rpc/dispatcher.py", line 133, in _dispatch_and_reply
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher     incoming.message))
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/site-packages/oslo/messaging/rpc/dispatcher.py", line 176, in _dispatch
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher     return self._do_dispatch(endpoint, method, ctxt, args)
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/site-packages/oslo/messaging/rpc/dispatcher.py", line 122, in _do_dispatch
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher     result = getattr(endpoint, method)(ctxt, **new_args)
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/site-packages/nova/exception.py", line 88, in wrapped
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher     payload)
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/site-packages/nova/openstack/common/excutils.py", line 68, in __exit__
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher     six.reraise(self.type_, self.value, self.tb)
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/site-packages/nova/exception.py", line 71, in wrapped
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher     return f(self, context, *args, **kw)
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 274, in decorated_function
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher     pass
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/site-packages/nova/openstack/common/excutils.py", line 68, in __exit__
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher     six.reraise(self.type_, self.value, self.tb)
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 260, in decorated_function
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher     return function(self, context, *args, **kwargs)
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 303, in decorated_function
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher     e, sys.exc_info())
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/site-packages/nova/openstack/common/excutils.py", line 68, in __exit__
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher     six.reraise(self.type_, self.value, self.tb)
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 290, in decorated_function
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher     return function(self, context, *args, **kwargs)
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 353, in decorated_function
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher     % image_id, instance=instance)
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/site-packages/nova/openstack/common/excutils.py", line 68, in __exit__
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher     six.reraise(self.type_, self.value, self.tb)
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 343, in decorated_function
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher     *args, **kwargs)
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 2736, in snapshot_instance
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher     task_states.IMAGE_SNAPSHOT)
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 2767, in _snapshot_instance
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher     update_task_state)
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/site-packages/nova/virt/libvirt/driver.py", line 1570, in snapshot
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher     image_format)
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/site-packages/nova/virt/libvirt/driver.py", line 1664, in _live_snapshot
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher     libvirt.VIR_DOMAIN_BLOCK_REBASE_SHALLOW)
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/site-packages/eventlet/tpool.py", line 179, in doit
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher     result = proxy_call(self._autowrap, f, *args, **kwargs)
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/site-packages/eventlet/tpool.py", line 139, in proxy_call
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher     rv = execute(f,*args,**kwargs)
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/site-packages/eventlet/tpool.py", line 77, in tworker
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher     rv = meth(*args,**kwargs)
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib64/python2.7/site-packages/libvirt.py", line 646, in blockRebase
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher     if ret == -1: raise libvirtError ('virDomainBlockRebase() failed', dom=self)
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher libvirtError: unsupported configuration: block copy is not supported with this QEMU binary
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher 

I can't find anything useful about this error. Thx for any help in forward!

Cannot create snapshot of instance on CentOS7 with Icehouse

Hi All!

I created a test enviroment with few servers based on CentOS7. When I try to create a snapshot from a running instance it fails. I found this error in log file:

2014-09-10 10:09:37.927 9042 ERROR oslo.messaging.rpc.dispatcher [-] Exception during message handling: unsupported configuration: block copy is not supported with this QEMU binary
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher Traceback (most recent call last):
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/site-packages/oslo/messaging/rpc/dispatcher.py", line 133, in _dispatch_and_reply
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher     incoming.message))
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/site-packages/oslo/messaging/rpc/dispatcher.py", line 176, in _dispatch
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher     return self._do_dispatch(endpoint, method, ctxt, args)
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/site-packages/oslo/messaging/rpc/dispatcher.py", line 122, in _do_dispatch
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher     result = getattr(endpoint, method)(ctxt, **new_args)
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/site-packages/nova/exception.py", line 88, in wrapped
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher     payload)
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/site-packages/nova/openstack/common/excutils.py", line 68, in __exit__
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher     six.reraise(self.type_, self.value, self.tb)
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/site-packages/nova/exception.py", line 71, in wrapped
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher     return f(self, context, *args, **kw)
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 274, in decorated_function
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher     pass
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/site-packages/nova/openstack/common/excutils.py", line 68, in __exit__
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher     six.reraise(self.type_, self.value, self.tb)
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 260, in decorated_function
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher     return function(self, context, *args, **kwargs)
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 303, in decorated_function
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher     e, sys.exc_info())
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/site-packages/nova/openstack/common/excutils.py", line 68, in __exit__
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher     six.reraise(self.type_, self.value, self.tb)
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 290, in decorated_function
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher     return function(self, context, *args, **kwargs)
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 353, in decorated_function
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher     % image_id, instance=instance)
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/site-packages/nova/openstack/common/excutils.py", line 68, in __exit__
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher     six.reraise(self.type_, self.value, self.tb)
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 343, in decorated_function
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher     *args, **kwargs)
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 2736, in snapshot_instance
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher     task_states.IMAGE_SNAPSHOT)
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 2767, in _snapshot_instance
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher     update_task_state)
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/site-packages/nova/virt/libvirt/driver.py", line 1570, in snapshot
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher     image_format)
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/site-packages/nova/virt/libvirt/driver.py", line 1664, in _live_snapshot
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher     libvirt.VIR_DOMAIN_BLOCK_REBASE_SHALLOW)
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/site-packages/eventlet/tpool.py", line 179, in doit
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher     result = proxy_call(self._autowrap, f, *args, **kwargs)
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/site-packages/eventlet/tpool.py", line 139, in proxy_call
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher     rv = execute(f,*args,**kwargs)
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/site-packages/eventlet/tpool.py", line 77, in tworker
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher     rv = meth(*args,**kwargs)
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib64/python2.7/site-packages/libvirt.py", line 646, in blockRebase
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher     if ret == -1: raise libvirtError ('virDomainBlockRebase() failed', dom=self)
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher libvirtError: unsupported configuration: block copy is not supported with this QEMU binary
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher 

oslo.messaging.rpc.dispatcher

I can't find anything useful about this error. Thx for any help in forward! forward!

Cannot create snapshot of instance on CentOS7 with Icehouse

Hi All!

I created a test enviroment with few servers based on CentOS7. When I try to create a snapshot from a running instance it fails. I found this error in log file:

2014-09-10 10:09:37.927 9042 ERROR oslo.messaging.rpc.dispatcher [-] Exception during message handling: unsupported configuration: block copy is not supported with this QEMU binary
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher Traceback (most recent call last):
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/site-packages/oslo/messaging/rpc/dispatcher.py", line 133, in _dispatch_and_reply
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher     incoming.message))
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/site-packages/oslo/messaging/rpc/dispatcher.py", line 176, in _dispatch
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher     return self._do_dispatch(endpoint, method, ctxt, args)
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/site-packages/oslo/messaging/rpc/dispatcher.py", line 122, in _do_dispatch
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher     result = getattr(endpoint, method)(ctxt, **new_args)
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/site-packages/nova/exception.py", line 88, in wrapped
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher     payload)
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/site-packages/nova/openstack/common/excutils.py", line 68, in __exit__
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher     six.reraise(self.type_, self.value, self.tb)
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/site-packages/nova/exception.py", line 71, in wrapped
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher     return f(self, context, *args, **kw)
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 274, in decorated_function
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher     pass
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/site-packages/nova/openstack/common/excutils.py", line 68, in __exit__
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher     six.reraise(self.type_, self.value, self.tb)
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 260, in decorated_function
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher     return function(self, context, *args, **kwargs)
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 303, in decorated_function
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher     e, sys.exc_info())
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/site-packages/nova/openstack/common/excutils.py", line 68, in __exit__
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher     six.reraise(self.type_, self.value, self.tb)
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 290, in decorated_function
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher     return function(self, context, *args, **kwargs)
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 353, in decorated_function
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher     % image_id, instance=instance)
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/site-packages/nova/openstack/common/excutils.py", line 68, in __exit__
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher     six.reraise(self.type_, self.value, self.tb)
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 343, in decorated_function
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher     *args, **kwargs)
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 2736, in snapshot_instance
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher     task_states.IMAGE_SNAPSHOT)
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 2767, in _snapshot_instance
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher     update_task_state)
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/site-packages/nova/virt/libvirt/driver.py", line 1570, in snapshot
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher     image_format)
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/site-packages/nova/virt/libvirt/driver.py", line 1664, in _live_snapshot
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher     libvirt.VIR_DOMAIN_BLOCK_REBASE_SHALLOW)
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/site-packages/eventlet/tpool.py", line 179, in doit
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher     result = proxy_call(self._autowrap, f, *args, **kwargs)
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/site-packages/eventlet/tpool.py", line 139, in proxy_call
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher     rv = execute(f,*args,**kwargs)
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/site-packages/eventlet/tpool.py", line 77, in tworker
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher     rv = meth(*args,**kwargs)
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib64/python2.7/site-packages/libvirt.py", line 646, in blockRebase
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher     if ret == -1: raise libvirtError ('virDomainBlockRebase() failed', dom=self)
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher libvirtError: unsupported configuration: block copy is not supported with this QEMU binary
2014-09-10 10:09:37.927 9042 TRACE oslo.messaging.rpc.dispatcher

I can't find anything useful about this error. Thx for any help in forward!