Open Stack

I think it may be your API version. See here:
https://github.com/openstack/nova/blob/2014.2/nova/compute/rpcapi.py#L270



On Wed, Oct 26, 2016 at 1:08 AM, Oisin O'Malley <oisin.omalley at iocane.com.au
> wrote:

> Hi All,
>
> In the process of a Kilo to Liberty upgrade and cannot live migrate VMs
> between Kilo and Liberty compute hosts. The Control nodes and a single
> Compute node have been upgraded to Liberty. We get the following error in
> the compute nodes log when we attempt to live migrate a instance from the
> Kilo node to the Liberty node;
>
> Traceback (most recent call last):
>    File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line
> 5314, in live_migration
>      block_migration, disk, dest, migrate_data)
>    File "/usr/lib/python2.7/site-packages/nova/compute/rpcapi.py", line
> 623, in pre_live_migration
>      disk=disk, migrate_data=migrate_data)
>    File "/usr/lib/python2.7/site-packages/oslo_messaging/rpc/client.py",
> line 156, in call
>     retry=self.retry)
>    File "/usr/lib/python2.7/site-packages/oslo_messaging/transport.py",
> line 90, in _send
>     timeout=timeout, retry=retry)
>    File "/usr/lib/python2.7/site-packages/oslo_messaging/_drivers/amqpdriver.py",
> line 350, in send
>      retry=retry)
>    File "/usr/lib/python2.7/site-packages/oslo_messaging/_drivers/amqpdriver.py",
> line 341, in _send
>      raise result
>  RemoteError: Remote error: UnsupportedVersion Endpoint does not support
> RPC version 3.19. Attempted met
> hod: pre_live_migration
>
>
> Traceback (most recent call last):
>    File "/usr/lib/python2.7/site-packages/oslo_messaging/rpc/dispatcher.py",
> line 142, in _dispatch_and_reply
>      executor_callback))
>    File "/usr/lib/python2.7/site-packages/oslo_messaging/rpc/dispatcher.py",
> line 186, in _dispatch
>      executor_callback)
>    File "/usr/lib/python2.7/site-packages/oslo_messaging/rpc/dispatcher.py",
> line 130, in _do_dispatch
>      result = func(ctxt, **new_args)
>    File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line
> 6810, in live_migration
>      migrate_data=migrate_data)
>    File "/usr/lib/python2.7/site-packages/nova/exception.py", line 88, in
> wrapped
>      payload)
>    File "/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line
> 85, in __exit__
>      six.reraise(self.type_, self.value, self.tb)
>    File "/usr/lib/python2.7/site-packages/nova/exception.py", line 71, in
> wrapped
>      return f(self, context, *args, **kw)
>    File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line
> 361, in decorated_function
>      kwargs['instance'], e, sys.exc_info())
>    File "/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line
> 85, in __exit__
>      six.reraise(self.type_, self.value, self.tb)
>    File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line
> 349, in decorated_function
>      return function(self, context, *args, **kwargs)
>    File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line
> 5322, in live_migration
>      block_migration, migrate_data)
>    File "/usr/lib/python2.7/site-packages/nova/exception.py", line 88, in
> wrapped
>      payload)
>    File "/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line
> 85, in __exit__
>      six.reraise(self.type_, self.value, self.tb)
>    File "/usr/lib/python2.7/site-packages/nova/exception.py", line 71, in
> wrapped
>      return f(self, context, *args, **kw)
>    File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line
> 361, in decorated_function
>      kwargs['instance'], e, sys.exc_info())
>    File "/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line
> 85, in __exit__
>      six.reraise(self.type_, self.value, self.tb)
>    File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line
> 349, in decorated_function
>      return function(self, context, *args, **kwargs)
>    File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line
> 5564, in _rollback_live_migration
>      context, instance, bdm.volume_id, dest)
>    File "/usr/lib/python2.7/site-packages/nova/compute/rpcapi.py", line
> 715, in remove_volume_connection
>      instance=instance, volume_id=volume_id)
>    File "/usr/lib/python2.7/site-packages/oslo_messaging/rpc/client.py",
> line 156, in call
>      retry=self.retry)
>    File "/usr/lib/python2.7/site-packages/oslo_messaging/transport.py",
> line 90, in _send
>      timeout=timeout, retry=retry)
>    File "/usr/lib/python2.7/site-packages/oslo_messaging/_drivers/amqpdriver.py",
> line 350, in send
>      retry=retry)
>    File "/usr/lib/python2.7/site-packages/oslo_messaging/_drivers/amqpdriver.py",
> line 341, in _send
>      raise result
>  RemoteError: Remote error: UnsupportedVersion Endpoint does not support
> RPC version 3.30. Attempted method: remove_volume_connection
>
>
> Upgrade level has been set to "kilo" on all Nova Control and Compute nodes
> in /etc/nova/nova.conf;
> [upgrade_levels]
> compute = kilo
>
> Similar errors are raised during an offline migration or resize. Live
> migration worked correctly with Liberty Control nodes and Kilo Compute
> nodes. Instances can be booted and run on both Liberty and Kilo Compute
> nodes. Any idea what's going on here?
>
> Regards,
> Oisin
>
> Oisin O'Malley
> Systems Engineer
> Iocane Pty Ltd
> 763 South Road
> Black Forest SA 5035
>
> Office:+61 (8) 8413 1010
> Fax:+61 (8) 8231 2050
> Email:oisin.omalley at iocane.com.au
> Web:www.iocane.com.au
>
> Better for business
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