Open Stack

Hello all,

I´m trying install a vm using Xen with Openstack, but is occuring an error:

2011-12-28 07:15:34,009 INFO nova.compute.manager [-] Found 6 in the
database and 2 on the hypervisor.
2011-12-28 07:15:34,483 WARNING nova.virt.xenapi [-] Task [Async.SR.scan]
OpaqueRef:1d155729-9e4c-7370-17ac-b59a8fc97286 status: failure
 ['SR_BACKEND_FAILURE_40', '', 'The SR scan failed
 [opterr=uuid=7c6f9b4c-2211-4de0-8ebd-55e239fdd350]', '']
2011-12-28 07:15:34,484 ERROR nova.virt.xenapi.vmops [-] instância 73:
falha na geração
(nova.virt.xenapi.vmops): TRACE: Traceback (most recent call last):
(nova.virt.xenapi.vmops): TRACE:   File
"/usr/lib/pymodules/python2.6/nova/virt/xenapi/vmops.py", line 148, in spawn
(nova.virt.xenapi.vmops): TRACE:     vdis = self._create_disks(context,
instance)
(nova.virt.xenapi.vmops): TRACE:   File
"/usr/lib/pymodules/python2.6/nova/virt/xenapi/vmops.py", line 142, in
_create_disks
(nova.virt.xenapi.vmops): TRACE:     disk_image_type)
(nova.virt.xenapi.vmops): TRACE:   File
"/usr/lib/pymodules/python2.6/nova/virt/xenapi/vm_utils.py", line 424, in
fetch_image
(nova.virt.xenapi.vmops): TRACE:     session, instance, image, image_type)
(nova.virt.xenapi.vmops): TRACE:   File
"/usr/lib/pymodules/python2.6/nova/virt/xenapi/vm_utils.py", line 467, in
_fetch_image_glance_vhd
(nova.virt.xenapi.vmops): TRACE:     cls.scan_sr(session, instance_id,
sr_ref)
(nova.virt.xenapi.vmops): TRACE:   File
"/usr/lib/pymodules/python2.6/nova/virt/xenapi/vm_utils.py", line 803, in
scan_sr
(nova.virt.xenapi.vmops): TRACE:     session.wait_for_task(task,
instance_id)
(nova.virt.xenapi.vmops): TRACE:   File
"/usr/lib/pymodules/python2.6/nova/virt/xenapi_conn.py", line 442, in
wait_for_task
(nova.virt.xenapi.vmops): TRACE:     return done.wait()
(nova.virt.xenapi.vmops): TRACE:   File
"/usr/lib/pymodules/python2.6/eventlet/event.py", line 116, in wait
(nova.virt.xenapi.vmops): TRACE:     return hubs.get_hub().switch()
(nova.virt.xenapi.vmops): TRACE:   File
"/usr/lib/pymodules/python2.6/eventlet/hubs/hub.py", line 177, in switch
(nova.virt.xenapi.vmops): TRACE:     return self.greenlet.switch()
(nova.virt.xenapi.vmops): TRACE: Failure: ['SR_BACKEND_FAILURE_40', '',
'The SR scan failed  [opterr=uuid=7c6f9b4c-2211-4de0-8ebd-55e239fdd350]',
'']
(nova.virt.xenapi.vmops): TRACE:
2011-12-28 07:15:34,485 DEBUG nova.virt.xenapi.vmops [-] Instance 73 failed
to spawn - performing clean-up from (pid=1210) spawn
/usr/lib/pymodules/python2.6/nova/virt/xenapi/vmops.py:155
2011-12-28 07:15:34,485 DEBUG nova.virt.xenapi.vmops [-] Resources to
remove:[] from (pid=1210) _handle_spawn_error
/usr/lib/pymodules/python2.6/nova/virt/xenapi/vmops.py:411
2011-12-28 07:15:34,486 ERROR nova.compute.manager [-] Instance '73' failed
to spawn. Is virtualization enabled in the BIOS? Details:
['SR_BACKEND_FAILURE_40', '', 'The SR scan failed
 [opterr=uuid=7c6f9b4c-2211-4de0-8ebd-55e239fdd350]', '']
(nova.compute.manager): TRACE: Traceback (most recent call last):
(nova.compute.manager): TRACE:   File
"/usr/lib/pymodules/python2.6/nova/compute/manager.py", line 424, in
_run_instance
(nova.compute.manager): TRACE:     network_info, block_device_info)
(nova.compute.manager): TRACE:   File
"/usr/lib/pymodules/python2.6/nova/virt/xenapi_conn.py", line 190, in spawn
(nova.compute.manager): TRACE:     self._vmops.spawn(context, instance,
network_info)
(nova.compute.manager): TRACE:   File
"/usr/lib/pymodules/python2.6/nova/virt/xenapi/vmops.py", line 157, in spawn
(nova.compute.manager): TRACE:     raise spawn_error
(nova.compute.manager): TRACE: Failure: ['SR_BACKEND_FAILURE_40', '', 'The
SR scan failed  [opterr=uuid=7c6f9b4c-2211-4de0-8ebd-55e239fdd350]', '']

somebody knows what is this?

Thanks
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