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Hi DeadDun, 
it looks like nova is unable to create the iscsi export.
Do you have the iscsitarget package installed on your system ?
That package contains the tgtadm, the daemon that performs the iscsi exports.

Razique

Le 24 oct. 2011 à 05:37, DeadSun a écrit :

> When I use novaclient to create volume, it happened:
> 
> $ nova volume-create --display-name vol 10
> 
> 
> 2011-10-24 11:26:33,709 DEBUG nova.rpc [-] received {u'_context_roles': [u'Admin', u'Admin', u'KeystoneAdmin', u'KeystoneServiceAdmin'], u'_context_request_id': u'fd416e80-af32-4674-a93b-9d4d67b3a5fa', u'_context_read_deleted': False, u'args': {u'volume_id': 1, u'snapshot_id': None}, u'_context_auth_token': u'Mko09ijnbhu87ygv', u'_context_strategy': u'keystone', u'_context_is_admin': True, u'_context_project_id': u'1', u'_context_timestamp': u'2011-10-24T03:26:22.666985', u'_context_user_id': u'admin', u'method': u'create_volume', u'_context_remote_address': u'10.200.200.4'} from (pid=1147) __call__ /data/nova/nova/rpc/impl_kombu.py:600
> 2011-10-24 11:26:33,710 DEBUG nova.rpc [-] unpacked context: {'user_id': u'admin', 'roles': [u'Admin', u'Admin', u'KeystoneAdmin', u'KeystoneServiceAdmin'], 'timestamp': u'2011-10-24T03:26:22.666985', 'auth_token': u'Mko09ijnbhu87ygv', 'msg_id': None, 'remote_address': u'10.200.200.4', 'strategy': u'keystone', 'is_admin': True, 'request_id': u'fd416e80-af32-4674-a93b-9d4d67b3a5fa', 'project_id': u'1', 'read_deleted': False} from (pid=1147) _unpack_context /data/nova/nova/rpc/impl_kombu.py:646
> 2011-10-24 11:26:33,750 INFO nova.volume.manager [-] volume volume-00000001: creating
> 2011-10-24 11:26:33,805 DEBUG nova.volume.manager [-] volume volume-00000001: creating lv of size 10G from (pid=1147) create_volume /data/nova/nova/volume/manager.py:110
> 2011-10-24 11:26:33,806 DEBUG nova.utils [-] Running cmd (subprocess): sudo lvcreate -L 10G -n volume-00000001 nova-volumes from (pid=1147) execute /data/nova/nova/utils.py:168
> 2011-10-24 11:26:34,186 DEBUG nova.volume.manager [-] volume volume-00000001: creating export from (pid=1147) create_volume /data/nova/nova/volume/manager.py:121
> 2011-10-24 11:26:34,217 DEBUG nova.utils [-] Running cmd (subprocess): sudo tgtadm --op new --lld=iscsi --mode=target --tid=2 --targetname=iqn.2010-10.org.openstack:volume-00000001 from (pid=1147) execute /data/nova/nova/utils.py:168
> 2011-10-24 11:26:34,227 DEBUG nova.utils [-] Result was 1 from (pid=1147) execute /data/nova/nova/utils.py:184
> 2011-10-24 11:26:34,283 ERROR nova.rpc [-] Exception during message handling
> (nova.rpc): TRACE: Traceback (most recent call last):
> (nova.rpc): TRACE: File "/data/nova/nova/rpc/impl_kombu.py", line 620, in _process_data
> (nova.rpc): TRACE: rval = node_func(context=ctxt, **node_args)
> (nova.rpc): TRACE: File "/data/nova/nova/volume/manager.py", line 130, in create_volume
> (nova.rpc): TRACE: raise exc_info
> (nova.rpc): TRACE: ProcessExecutionError: Unexpected error while running command.
> (nova.rpc): TRACE: Command: None
> (nova.rpc): TRACE: Exit code: -
> (nova.rpc): TRACE: Stdout: None
> (nova.rpc): TRACE: Stderr: None
> (nova.rpc): TRACE: 
> 
> 
> -- 
> 非淡薄无以明志，非宁静无以致远
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