Icehouse controller / Havana compute: cinder attach volume does not work

[Robert van Leeuwen]

Traceback when you try to attach a cinder volume:

2014-05-02 11:38:00.203 11739 ERROR nova.openstack.common.rpc.amqp [req-587d7455-5aae-4617-b13c-58083e5172b7 dd55110c2b6a454c9b897eb640f18a8e 978a2631c0714c309b3b071ac910a7ad] Exception during message handling
2014-05-02 11:38:00.203 11739 TRACE nova.openstack.common.rpc.amqp Traceback (most recent call last):
2014-05-02 11:38:00.203 11739 TRACE nova.openstack.common.rpc.amqp File "/usr/lib/python2.6/site-packages/nova/openstack/common/rpc/amqp.py", line 461, in _process_data
2014-05-02 11:38:00.203 11739 TRACE nova.openstack.common.rpc.amqp **args)
2014-05-02 11:38:00.203 11739 TRACE nova.openstack.common.rpc.amqp File "/usr/lib/python2.6/site-packages/nova/openstack/common/rpc/dispatcher.py", line 178, in dispatch
2014-05-02 11:38:00.203 11739 TRACE nova.openstack.common.rpc.amqp raise rpc_common.UnsupportedRpcVersion(version=version)
2014-05-02 11:38:00.203 11739 TRACE nova.openstack.common.rpc.amqp UnsupportedRpcVersion: Specified RPC version, 3.16, not supported by this endpoint.
2014-05-02 11:38:00.203 11739 TRACE nova.openstack.common.rpc.amqp
2014-05-02 11:38:00.204 11739 ERROR nova.openstack.common.rpc.common [req-587d7455-5aae-4617-b13c-58083e5172b7 dd55110c2b6a454c9b897eb640f18a8e 978a2631c0714c309b3b071ac910a7ad] Returning exception Specified RPC version, 3.16, not supported by this endpoint. to caller

We are using the RDO repo and running the following:
Controller: 2014.1
Compute nodes: 2013.2.3

[Loganathan Parthipan (parthipan)]

Robert: Is the VM an old one? Can you spin up a newer VM and try to attach the same volume?

[Loganathan Parthipan (parthipan)]

Ignore my comment above.

[Robert van Leeuwen (rovanleeuwen)]

Sorry, my bad:
Setting the compat layer fixes the issues.

[upgrade_levels]
compute = icehouse-compat