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[DeadSun <mwjpiero@xxxxxxxxx>]

Hi.Razique, I am livemoon

I have install tgt via package.

Now I have "nova volume-create" a volume.
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openstack@node2:/data/nova$ sudo tgtadm --lld iscsi --op show --mode target
Target 8: iqn.2010-10.org.openstack:volume-00000001
System information:
Driver: iscsi
State: ready
I_T nexus information:
LUN information:
LUN: 0
Type: controller
SCSI ID: IET 00080000
SCSI SN: beaf80
Size: 0 MB, Block size: 1
Online: Yes
Removable media: No
Readonly: No
Backing store type: null
Backing store path: None
Backing store flags:
LUN: 1
Type: disk
SCSI ID: IET 00080001
SCSI SN: beaf81
Size: 1074 MB, Block size: 512
Online: Yes
Removable media: No
Readonly: No
Backing store type: rdwr
Backing store path: /dev/nova-volumes/volume-00000001
Backing store flags:
Account information:
ACL information:
ALL
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but I use "sudo iscsiadm -m node", nothing show

but when I attach volume to a server, error show, It seems it use iscsiadmin
and not tgtadmin
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2011-10-24 15:13:32,786 DEBUG nova.rpc [-] received {u'_context_roles':
[u'Admin', u'Admin', u'KeystoneAdmin', u'KeystoneServiceAdmin'], u'_msg_id':
u'2f6c24f9bae84b278e28c27c76022a9b', u'_context_read_deleted': False,
u'_context_request_id': u'49d034cc-94e7-40a6-a3c9-65f5eb3e46d0', u'args':
{u'volume_id': 1, u'address': u'10.200.200.4'}, 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'2011-10-24T07:13:20.774649', u'_context_user_id':
u'admin', u'method': u'initialize_connection', u'_context_remote_address':
u'10.200.200.4'} from (pid=18380) __call__
/data/nova/nova/rpc/impl_kombu.py:600
2011-10-24 15:13:32,787 DEBUG nova.rpc [-] unpacked context: {'user_id':
u'admin', 'roles': [u'Admin', u'Admin', u'KeystoneAdmin',
u'KeystoneServiceAdmin'], 'timestamp': u'2011-10-24T07:13:20.774649',
'auth_token': u'Mko09ijnbhu87ygv', 'msg_id':
u'2f6c24f9bae84b278e28c27c76022a9b', 'remote_address': u'10.200.200.4',
'strategy': u'keystone', 'is_admin': True, 'request_id':
u'49d034cc-94e7-40a6-a3c9-65f5eb3e46d0', 'project_id': u'1', 'read_deleted':
False} from (pid=18380) _unpack_context
/data/nova/nova/rpc/impl_kombu.py:646
2011-10-24 15:13:32,843 WARNING nova.volume.driver [-] ISCSI
provider_location not stored, using discovery
2011-10-24 15:13:32,844 DEBUG nova.utils [-] Running cmd (subprocess): sudo
iscsiadm -m discovery -t sendtargets -p node2 from (pid=18380) execute
/data/nova/nova/utils.py:168
2011-10-24 15:13:32,859 DEBUG nova.utils [-] Result was 255 from (pid=18380)
execute /data/nova/nova/utils.py:184
2011-10-24 15:13:32,861 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 268, in
initialize_connection
(nova.rpc): TRACE: return self.driver.initialize_connection(volume_ref,
address)
(nova.rpc): TRACE: File "/data/nova/nova/volume/driver.py", line 406, in
initialize_connection
(nova.rpc): TRACE: iscsi_properties = self._get_iscsi_properties(volume)
(nova.rpc): TRACE: File "/data/nova/nova/volume/driver.py", line 345, in
_get_iscsi_properties
(nova.rpc): TRACE: location = self._do_iscsi_discovery(volume)
(nova.rpc): TRACE: File "/data/nova/nova/volume/driver.py", line 309, in
_do_iscsi_discovery
(nova.rpc): TRACE: run_as_root=True)
(nova.rpc): TRACE: File "/data/nova/nova/utils.py", line 192, in execute
(nova.rpc): TRACE: cmd=' '.join(cmd))

(nova.rpc): TRACE: ProcessExecutionError: Unexpected error while running
command.
(nova.rpc): TRACE: Command: sudo iscsiadm -m discovery -t sendtargets -p
node2
(nova.rpc): TRACE: Exit code: 255
(nova.rpc): TRACE: Stdout: ''
(nova.rpc): TRACE: Stderr: 'iscsiadm: Could not scan
/sys/class/iscsi_transport.\niscsiadm: Could not scan
/sys/class/iscsi_transport.\niscsiadm: can not connect to iSCSI daemon
(111)!\niscsiadm: Cannot perform discovery. Initiatorname
required.\niscsiadm: Discovery process to node2:3260 failed to create a
discovery session.\niscsiadm: Could not perform SendTargets discovery.\n'
(nova.rpc): TRACE:
2011-10-24 15:13:32,862 ERROR nova.rpc [-] Returning exception Unexpected
error while running command.
Command: sudo iscsiadm -m discovery -t sendtargets -p node2
Exit code: 255
Stdout: ''
Stderr: 'iscsiadm: Could not scan /sys/class/iscsi_transport.\niscsiadm:
Could not scan /sys/class/iscsi_transport.\niscsiadm: can not connect to
iSCSI daemon (111)!\niscsiadm: Cannot perform discovery. Initiatorname
required.\niscsiadm: Discovery process to node2:3260 failed to create a
discovery session.\niscsiadm: Could not perform SendTargets discovery.\n' to
caller
2011-10-24 15:13:32,863 ERROR nova.rpc [-] ['Traceback (most recent call
last):\n', ' File "/data/nova/nova/rpc/impl_kombu.py", line 620, in
_process_data\n rval = node_func(context=ctxt, **node_args)\n', ' File
"/data/nova/nova/volume/manager.py", line 268, in initialize_connection\n
return self.driver.initialize_connection(volume_ref, address)\n', ' File
"/data/nova/nova/volume/driver.py", line 406, in initialize_connection\n
iscsi_properties = self._get_iscsi_properties(volume)\n', ' File
"/data/nova/nova/volume/driver.py", line 345, in _get_iscsi_properties\n
location = self._do_iscsi_discovery(volume)\n', ' File
"/data/nova/nova/volume/driver.py", line 309, in _do_iscsi_discovery\n
run_as_root=True)\n', ' File "/data/nova/nova/utils.py", line 192, in
execute\n cmd=\' \'.join(cmd))\n', "ProcessExecutionError: Unexpected error
while running command.\nCommand: sudo iscsiadm -m discovery -t sendtargets
-p node2\nExit code: 255\nStdout: ''\nStderr: 'iscsiadm: Could not scan
/sys/class/iscsi_transport.\\niscsiadm: Could not scan
/sys/class/iscsi_transport.\\niscsiadm: can not connect to iSCSI daemon
(111)!\\niscsiadm: Cannot perform discovery. Initiatorname
required.\\niscsiadm: Discovery process to node2:3260 failed to create a
discovery session.\\niscsiadm: Could not perform SendTargets
discovery.\\n'\n"]
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-- 
非淡薄无以明志，非宁静无以致远