HUS110 concurrency error

lib STONAVM_RSP_PASS=on STONAVM_ACT=on autargetmap -unit HUS110_91233049 -rm 0 E 17 2 52 from (pid=16817) execute /usr/local/lib/python2.7/dist-packages/oslo_concurrency/processutils.py:230
2015-08-24 14:55:00.672 WARNING cinder.volume.drivers.hitachi.hbsd_snm2 [req-215ecded-d0fe-438f-a61f-28e73340814a 9d13f6debb7f48c0a94e7b5772f9e3bc 8076c18994b44689b70746e09bf15b20] MSGID0314-W: Failed to map a logical device. (LDEV: 50, LUN: 0, port: 0E, id: 19)
2015-08-24 14:55:00.673 ERROR cinder.volume.drivers.hitachi.hbsd_basiclib [req-215ecded-d0fe-438f-a61f-28e73340814a 9d13f6debb7f48c0a94e7b5772f9e3bc 8076c18994b44689b70746e09bf15b20] MSGID0600-E: The command autargetmap failed. (ret: 1, stdout: , stderr: -add: DMEC002122: The process cannot be performed because the specified H-LUN or LUN is already map. Please confirm the mapping and try again.

)
2015-08-24 14:55:00.674 ERROR cinder.volume.manager [req-215ecded-d0fe-438f-a61f-28e73340814a 9d13f6debb7f48c0a94e7b5772f9e3bc 8076c18994b44689b70746e09bf15b20] Driver initialize connection failed (error: The command autargetmap failed. (ret: 1, stdout: , stderr: -add: DMEC002122: The process cannot be performed because the specified H-LUN or LUN is already map. Please confirm the mapping and try again.

)).
2015-08-24 14:55:00.676 ERROR oslo_messaging.rpc.dispatcher [req-215ecded-d0fe-438f-a61f-28e73340814a 9d13f6debb7f48c0a94e7b5772f9e3bc 8076c18994b44689b70746e09bf15b20] Exception during message handling: Bad or unexpected response from the storage volume backend API: Driver initialize connection failed (error: The command autargetmap failed. (ret: 1, stdout: , stderr: -add: DMEC002122: The process cannot be performed because the specified H-LUN or LUN is already map. Please confirm the mapping and try again.

)).
2015-08-24 14:55:00.676 TRACE oslo_messaging.rpc.dispatcher Traceback (most recent call last):
2015-08-24 14:55:00.676 TRACE oslo_messaging.rpc.dispatcher   File "/usr/local/lib/python2.7/dist-packages/oslo_messaging/rpc/dispatcher.py", line 142, in _dispatch_and_reply
2015-08-24 14:55:00.676 TRACE oslo_messaging.rpc.dispatcher     executor_callback))
2015-08-24 14:55:00.676 TRACE oslo_messaging.rpc.dispatcher   File "/usr/local/lib/python2.7/dist-packages/oslo_messaging/rpc/dispatcher.py", line 186, in _dispatch
2015-08-24 14:55:00.676 TRACE oslo_messaging.rpc.dispatcher     executor_callback)
2015-08-24 14:55:00.676 TRACE oslo_messaging.rpc.dispatcher   File "/usr/local/lib/python2.7/dist-packages/oslo_messaging/rpc/dispatcher.py", line 129, in _do_dispatch
2015-08-24 14:55:00.676 TRACE oslo_messaging.rpc.dispatcher     result = func(ctxt, **new_args)
2015-08-24 14:55:00.676 TRACE oslo_messaging.rpc.dispatcher   File "/usr/local/lib/python2.7/dist-packages/osprofiler/profiler.py", line 105, in wrapper
2015-08-24 14:55:00.676 TRACE oslo_messaging.rpc.dispatcher     return f(*args, **kwargs)
2015-08-24 14:55:00.676 TRACE oslo_messaging.rpc.dispatcher   File "/opt/stack/cinder/cinder/volume/manager.py", line 1126, in initialize_connection
2015-08-24 14:55:00.676 TRACE oslo_messaging.rpc.dispatcher     raise exception.VolumeBackendAPIException(data=err_msg)
2015-08-24 14:55:00.676 TRACE oslo_messaging.rpc.dispatcher VolumeBackendAPIException: Bad or unexpected response from the storage volume backend API: Driver initialize connection failed (error: The command autargetmap failed. (ret: 1, stdout: , stderr: -add: DMEC002122: The process cannot be performed because the specified H-LUN or LUN is already map. Please confirm the mapping and try again.
2015-08-24 14:55:00.676 TRACE oslo_messaging.rpc.dispatcher 
2015-08-24 14:55:00.676 TRACE oslo_messaging.rpc.dispatcher )).
2015-08-24 14:55:00.676 TRACE oslo_messaging.rpc.dispatcher 
2015-08-24 14:55:00.681 ERROR oslo_messaging._drivers.common [req-215ecded-d0fe-438f-a61f-28e73340814a 9d13f6debb7f48c0a94e7b5772f9e3bc 8076c18994b44689b70746e09bf15b20] Returning exception Bad or unexpected response from the storage volume backend API: Driver initialize connection failed (error: The command autargetmap failed. (ret: 1, stdout: , stderr: -add: DMEC002122: The process cannot be performed because the specified H-LUN or LUN is already map. Please confirm the mapping and try again.