Open Stack

Hello guys,

 I've been facing an error with live migration since last week and I wonder
why I can't migrate my instances. I'm using the Grizzly release and I got
this error in my both compute nodes:


2013-08-14 15:49:47.788 ERROR nova.compute.manager
[req-1fad8da2-2682-48a4-a390-64cb00036568 c402785616534f2096b34ce132b7d3f2
d532a4fc2e9e4b5f83b6dec7085237e5] [instance:
e04986a1-8f56-4dd9-9995-419e05430da3] Unexpected error while running
command.
Stderr: 'Permission denied, please try again.\r\nPermission denied, please
try again.\r\nPermission denied (publickey,password).\r\n'. Setting
instance vm_state to ERROR
2013-08-14 15:49:48.294 ERROR nova.openstack.common.rpc.amqp
[req-1fad8da2-2682-48a4-a390-64cb00036568 c402785616534f2096b34ce132b7d3f2
d532a4fc2e9e4b5f83b6dec7085237e5] Exception during message handling


2013-08-14 15:49:48.294 1700 TRACE nova.openstack.common.rpc.amqp Traceback
(most recent call last):
2013-08-14 15:49:48.294 1700 TRACE nova.openstack.common.rpc.amqp   File
"/usr/lib/python2.7/dist-packages/nova/openstack/common/rpc/amqp.py", line
430, in _process_data
2013-08-14 15:49:48.294 1700 TRACE nova.openstack.common.rpc.amqp     rval
= self.proxy.dispatch(ctxt, version, method, **args)
2013-08-14 15:49:48.294 1700 TRACE nova.openstack.common.rpc.amqp   File
"/usr/lib/python2.7/dist-packages/nova/openstack/common/rpc/dispatcher.py",
line 133, in dispatch
2013-08-14 15:49:48.294 1700 TRACE nova.openstack.common.rpc.amqp
return getattr(proxyobj, method)(ctxt, **kwargs)
2013-08-14 15:49:48.294 1700 TRACE nova.openstack.common.rpc.amqp   File
"/usr/lib/python2.7/dist-packages/nova/exception.py", line 117, in wrapped
2013-08-14 15:49:48.294 1700 TRACE nova.openstack.common.rpc.amqp
temp_level, payload)
2013-08-14 15:49:48.294 1700 TRACE nova.openstack.common.rpc.amqp   File
"/usr/lib/python2.7/contextlib.py", line 24, in __exit__
2013-08-14 15:49:48.294 1700 TRACE nova.openstack.common.rpc.amqp
self.gen.next()
2013-08-14 15:49:48.294 1700 TRACE nova.openstack.common.rpc.amqp   File
"/usr/lib/python2.7/dist-packages/nova/exception.py", line 94, in wrapped
2013-08-14 15:49:48.294 1700 TRACE nova.openstack.common.rpc.amqp
return f(self, context, *args, **kw)
2013-08-14 15:49:48.294 1700 TRACE nova.openstack.common.rpc.amqp   File
"/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 209, in
decorated_function
2013-08-14 15:49:48.294 1700 TRACE nova.openstack.common.rpc.amqp     pass
2013-08-14 15:49:48.294 1700 TRACE nova.openstack.common.rpc.amqp   File
"/usr/lib/python2.7/contextlib.py", line 24, in __exit__
2013-08-14 15:49:48.294 1700 TRACE nova.openstack.common.rpc.amqp
self.gen.next()
2013-08-14 15:49:48.294 1700 TRACE nova.openstack.common.rpc.amqp   File
"/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 195, in
decorated_function
2013-08-14 15:49:48.294 1700 TRACE nova.openstack.common.rpc.amqp
return function(self, context, *args, **kwargs)
2013-08-14 15:49:48.294 1700 TRACE nova.openstack.common.rpc.amqp   File
"/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 260, in
decorated_function
2013-08-14 15:49:48.294 1700 TRACE nova.openstack.common.rpc.amqp
function(self, context, *args, **kwargs)
2013-08-14 15:49:48.294 1700 TRACE nova.openstack.common.rpc.amqp   File
"/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 237, in
decorated_function
2013-08-14 15:49:48.294 1700 TRACE nova.openstack.common.rpc.amqp     e,
sys.exc_info())
2013-08-14 15:49:48.294 1700 TRACE nova.openstack.common.rpc.amqp   File
"/usr/lib/python2.7/contextlib.py", line 24, in __exit__
2013-08-14 15:49:48.294 1700 TRACE nova.openstack.common.rpc.amqp
self.gen.next()
2013-08-14 15:49:48.294 1700 TRACE nova.openstack.common.rpc.amqp   File
"/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 224, in
decorated_function
2013-08-14 15:49:48.294 1700 TRACE nova.openstack.common.rpc.amqp
return function(self, context, *args, **kwargs)
2013-08-14 15:49:48.294 1700 TRACE nova.openstack.common.rpc.amqp   File
"/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 2354, in
resize_instance
2013-08-14 15:49:48.294 1700 TRACE nova.openstack.common.rpc.amqp
block_device_info)
2013-08-14 15:49:48.294 1700 TRACE nova.openstack.common.rpc.amqp   File
"/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 3467,
in migrate_disk_and_power_off
2013-08-14 15:49:48.294 1700 TRACE nova.openstack.common.rpc.amqp
inst_base_resize)
2013-08-14 15:49:48.294 1700 TRACE nova.openstack.common.rpc.amqp   File
"/usr/lib/python2.7/contextlib.py", line 24, in __exit__
2013-08-14 15:49:48.294 1700 TRACE nova.openstack.common.rpc.amqp
self.gen.next()
2013-08-14 15:49:48.294 1700 TRACE nova.openstack.common.rpc.amqp   File
"/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 3444,
in migrate_disk_and_power_off
2013-08-14 15:49:48.294 1700 TRACE nova.openstack.common.rpc.amqp
utils.execute('ssh', dest, 'mkdir', '-p', inst_base)
2013-08-14 15:49:48.294 1700 TRACE nova.openstack.common.rpc.amqp   File
"/usr/lib/python2.7/dist-packages/nova/utils.py", line 239, in execute
2013-08-14 15:49:48.294 1700 TRACE nova.openstack.common.rpc.amqp     cmd='
'.join(cmd))
2013-08-14 15:49:48.294 1700 TRACE nova.openstack.common.rpc.amqp
ProcessExecutionError: Unexpected error while running command.
2013-08-14 15:49:48.294 1700 TRACE nova.openstack.common.rpc.amqp Command:
ssh 10.3.77.52 mkdir -p
/var/lib/nova/instances/e04986a1-8f56-4dd9-9995-419e05430da3
2013-08-14 15:49:48.294 1700 TRACE nova.openstack.common.rpc.amqp Exit
code: 255
2013-08-14 15:49:48.294 1700 TRACE nova.openstack.common.rpc.amqp Stdout: ''
2013-08-14 15:49:48.294 1700 TRACE nova.openstack.common.rpc.amqp Stderr:
'Permission denied, please try again.\r\nPermission denied, please try
again.\r\nPermission denied (publickey,password).\r\n'
2013-08-14 15:49:48.294 1700 TRACE nova.openstack.common.rpc.amqp

Can anybody help me?

Regards.

Guilherme.
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