I installed openstack grizzly followed the guide, Service cinder-api and service-scheduler is ok but I can't get my cinder-volume service started, please help, tks.

The cinder-volume.log:

2013-08-10 15:21:29     INFO [cinder.service] Starting 1 workers

2013-08-10 15:21:29     INFO [cinder.service] Started child 7218

2013-08-10 15:21:29    AUDIT [cinder.service] Starting cinder-volume node (version 2013.1.2)

2013-08-10 15:21:30    ERROR [cinder.service] Unhandled exception

Traceback (most recent call last):

  File "/usr/lib/python2.7/dist-packages/cinder/service.py", line 227, in _start_child
    self._child_process(wrap.server)

  File "/usr/lib/python2.7/dist-packages/cinder/service.py", line 204, in _child_process
    launcher.run_server(server)

  File "/usr/lib/python2.7/dist-packages/cinder/service.py", line 95, in run_server
    server.start()

  File "/usr/lib/python2.7/dist-packages/cinder/service.py", line 355, in start
    self.manager.init_host()

  File "/usr/lib/python2.7/dist-packages/cinder/volume/manager.py", line 149, in init_host
    self.driver.ensure_export(ctxt, volume)

  File "/usr/lib/python2.7/dist-packages/cinder/volume/drivers/lvm.py", line 391, in ensure_export
    old_name=old_name)

  File "/usr/lib/python2.7/dist-packages/cinder/volume/iscsi.py", line 225, in create_iscsi_target
    self._new_target(name, tid, **kwargs)

  File "/usr/lib/python2.7/dist-packages/cinder/volume/iscsi.py", line 284, in _new_target
    **kwargs)

  File "/usr/lib/python2.7/dist-packages/cinder/volume/iscsi.py", line 73, in _run
    self._execute(self._cmd, *args, run_as_root=True, **kwargs)

  File "/usr/lib/python2.7/dist-packages/cinder/utils.py", line 145, in execute
    'to utils.execute: %r') % kwargs)

Error: Got unknown keyword args to utils.execute: {'old_name': None}

2013-08-10 15:21:30     INFO [cinder.service] Child 7218 exited with status 2

2013-08-10 15:21:30     INFO [cinder.service] _wait_child 1

2013-08-10 15:21:30     INFO [cinder.service] wait wrap.failed True

my cinder.conf:

[DEFAULT]

rootwrap_config = /etc/cinder/rootwrap.conf

api_paste_confg = /etc/cinder/api-paste.ini

iscsi_helper = ietadm

volume_name_template = volume-%s

volume_group = cinder-volumes

verbose = True

auth_strategy = keystone

state_path = /var/lib/cinder

lock_path = /var/lock/cinder

volumes_dir = /var/lib/cinder/volumes

sql_connection = mysql://cinder:password@localhost/cinder

rabbit_password = password

In my control node:

root@cloud02:~# service iscsitarget status
 * iSCSI enterprise target is running

root@cloud02:~# service open-iscsi status
 * iscsid is running
 * Current active iSCSI sessions:                                                                  iscsiadm: No active sessions.

root@cloud02:~# lsof -i:3260
COMMAND   PID USER   FD   TYPE   DEVICE SIZE/OFF NODE NAME
ietd    19137 root    7u  IPv4 12646743      0t0  TCP *:3260 (LISTEN)
ietd    19137 root    9u  IPv6 12646744      0t0  TCP *:3260 (LISTEN)

root@cloud02:~# vgdisplay
  --- Volume group ---
  VG Name               cinder-volumes
  System ID             
  Format                lvm2
  Metadata Areas        1
  Metadata Sequence No  39
  VG Access             read/write
  VG Status             resizable
  MAX LV                0
  Cur LV                2
  Open LV               2
  Max PV                0
  Cur PV                1
  Act PV                1
  VG Size               93.13 GiB
  PE Size               4.00 MiB
  Total PE              23841
  Alloc PE / Size       8192 / 32.00 GiB
  Free  PE / Size       15649 / 61.13 GiB
  VG UUID               LApmGn-C3aQ-e2em-GZeB-1qQh-uKSJ-pqNqqV