Hello all,

I got a lot problems with XenServer + OpenStack and one more is with instance resize. When I attempt to resize instance nothing happens, only in nova-conductor.log <http://paste.openstack.org/show/55109/> I got some error messages. Maybe someone know how to fix this? Looks like schaduler can't find host, but in my setup in current moment I got only one host.

Error message:

2013-12-17 09:52:50.611 9598 WARNING nova.scheduler.utils [req-3f26dac5-e043-4173-a547-4988abf2120f a7712da5cc054f819886dbe5a89429d5 76619aca43f841e0bed1a3b89ce8b426] Failed to compute_task_migrate_server: No valid host was found.
Traceback (most recent call last):

File "/usr/lib/python2.7/dist-packages/nova/openstack/common/rpc/common.py", line 420, in catch_client_exception
    return func(*args, **kwargs)

File "/usr/lib/python2.7/dist-packages/nova/scheduler/manager.py", line 298, in select_destinations
    filter_properties)

File "/usr/lib/python2.7/dist-packages/nova/scheduler/filter_scheduler.py", line 148, in select_destinations
    raise exception.NoValidHost(reason='')

NoValidHost: No valid host was found.

2013-12-17 09:52:50.615 9598 WARNING nova.scheduler.utils [req-3f26dac5-e043-4173-a547-4988abf2120f a7712da5cc054f819886dbe5a89429d5 76619aca43f841e0bed1a3b89ce8b426] [instance: cad657b7-85b7-487a-b659-22604d83364d] Setting instance to ACTIVE state. 2013-12-17 09:52:50.697 9598 WARNING nova.conductor.manager [req-3f26dac5-e043-4173-a547-4988abf2120f a7712da5cc054f819886dbe5a89429d5 76619aca43f841e0bed1a3b89ce8b426] No valid host found for cold migrate
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