Hello ,all. I have a two nodes installation . OS1 is the cloud controller ,and OS2 is a nova-compute node. I have a vm (name as vm1) running on OS1. When I use the command * nova migrate vm1 * * * The dashboard is showing the vm1 as : status :error ,task :Resize Prep I tail ed the nova-compute.log in OS1, and found the following error information while running the * nova migrate vm1 *command :
Can someone please explain to me what does these error mean ,and what's wrong with my config ... 2012-05-21 17:20:45 ERROR nova.compute.manager [req-d0f494cb-e9d6-41d2-b6df-6faa432a644d 6ffaaedb60c24f5eb888319e1e387d75 0d7a5a12b6f54aa9bff986bf138bc0b7] Unex pected error while running command. Command: ssh 192.168.0.205 mkdir -p /var/lib/nova/instances/instance-0000000a Exit code: 255 Stdout: '' Stderr: 'Host key verification failed.\r\n'. Setting instance vm_state to ERROR 2012-05-21 17:20:45 ERROR nova.rpc.amqp [req-d0f494cb-e9d6-41d2-b6df-6faa432a644d 6ffaaedb60c24f5eb888319e1e387d75 0d7a5a12b6f54aa9bff986bf138bc0b7] Exception during message handling 2012-05-21 17:20:45 TRACE nova.rpc.amqp Traceback (most recent call last): 2012-05-21 17:20:45 TRACE nova.rpc.amqp File "/usr/lib/python2.7/dist-packages/nova/rpc/amqp.py", line 252, in _process_data 2012-05-21 17:20:45 TRACE nova.rpc.amqp rval = node_func(context=ctxt, **node_args) 2012-05-21 17:20:45 TRACE nova.rpc.amqp File "/usr/lib/python2.7/dist-packages/nova/exception.py", line 114, in wrapped 2012-05-21 17:20:45 TRACE nova.rpc.amqp return f(*args, **kw) 2012-05-21 17:20:45 TRACE nova.rpc.amqp File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 153, in decorated_function 2012-05-21 17:20:45 TRACE nova.rpc.amqp function(self, context, instance_uuid, *args, **kwargs) 2012-05-21 17:20:45 TRACE nova.rpc.amqp File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 177, in decorated_function 2012-05-21 17:20:45 TRACE nova.rpc.amqp sys.exc_info()) 2012-05-21 17:20:45 TRACE nova.rpc.amqp File "/usr/lib/python2.7/contextlib.py", line 24, in __exit__ 2012-05-21 17:20:45 TRACE nova.rpc.amqp self.gen.next() 2012-05-21 17:20:45 TRACE nova.rpc.amqp File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 171, in decorated_function 2012-05-21 17:20:45 TRACE nova.rpc.amqp return function(self, context, instance_uuid, *args, **kwargs) 2012-05-21 17:20:45 TRACE nova.rpc.amqp File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 1330, in resize_instance 2012-05-21 17:20:45 TRACE nova.rpc.amqp self._set_instance_error_state(context, instance_uuid) 2012-05-21 17:20:45 TRACE nova.rpc.amqp File "/usr/lib/python2.7/contextlib.py", line 24, in __exit__ 2012-05-21 17:20:45 TRACE nova.rpc.amqp self.gen.next() 2012-05-21 17:20:45 TRACE nova.rpc.amqp File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 1325, in resize_instance 2012-05-21 17:20:45 TRACE nova.rpc.amqp instance_type_ref, self._legacy_nw_info(network_info)) 2012-05-21 17:20:45 TRACE nova.rpc.amqp File "/usr/lib/python2.7/dist-packages/nova/exception.py", line 114, in wrapped 2012-05-21 17:20:45 TRACE nova.rpc.amqp return f(*args, **kw) 2012-05-21 17:20:45 TRACE nova.rpc.amqp File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/connection.py", line 2363, in migrate_disk_and_power_off 2012-05-21 17:20:45 TRACE nova.rpc.amqp raise e 2012-05-21 17:20:45 TRACE nova.rpc.amqp ProcessExecutionError: Unexpected error while running command. 2012-05-21 17:20:45 TRACE nova.rpc.amqp Command: ssh 192.168.0.205 mkdir -p /var/lib/nova/instances/instance-0000000a 2012-05-21 17:20:45 TRACE nova.rpc.amqp Exit code: 255 2012-05-21 17:20:45 TRACE nova.rpc.amqp Stdout: '' 2012-05-21 17:20:45 TRACE nova.rpc.amqp Stderr: 'Host key verification failed.\r\n' 2012-05-21 17:20:45 TRACE nova.rpc.amqp ^C
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