An error is occurred when detaching volumes in cinder:
013-03-11 23:28:42.470 INFO cinder.volume.drivers.windows [req-ccaec6ad-5566-4f54-bb56-c5dd978adbee 398cf0aefe304542b927972a469614cf a9ad6e13f7814c84aa9305d06c33ee4f] Terminating connection to "iqn.1993-08.org.debian:01:ff6d3050ada"
2013-03-11 23:28:42.470 INFO cinder.volume.drivers.windows [req-ccaec6ad-5566-4f54-bb56-c5dd978adbee 398cf0aefe304542b927972a469614cf a9ad6e13f7814c84aa9305d06c33ee4f] Terminating connection of volume "iqn.2010-10.org.openstack:volume-4107a292-dcba-461e-8354-0cab3463c1b2"
2013-03-11 23:28:42.516 ERROR cinder.openstack.common.rpc.amqp [req-ccaec6ad-5566-4f54-bb56-c5dd978adbee 398cf0aefe304542b927972a469614cf a9ad6e13f7814c84aa9305d06c33ee4f] Exception during message handling
2013-03-11 23:28:42.516 1160 TRACE cinder.openstack.common.rpc.amqp Traceback (most recent call last):
2013-03-11 23:28:42.516 1160 TRACE cinder.openstack.common.rpc.amqp File "C:\dev\openstack\cinder\cinder\openstack\common\rpc\amqp.py", line 430, in _process_data
2013-03-11 23:28:42.516 1160 TRACE cinder.openstack.common.rpc.amqp rval = self.proxy.dispatch(ctxt, version, method, **args)
2013-03-11 23:28:42.516 1160 TRACE cinder.openstack.common.rpc.amqp File "C:\dev\openstack\cinder\cinder\openstack\common\rpc\dispatcher.py", line 133, in dispatch
2013-03-11 23:28:42.516 1160 TRACE cinder.openstack.common.rpc.amqp return getattr(proxyobj, method)(ctxt, **kwargs)
2013-03-11 23:28:42.516 1160 TRACE cinder.openstack.common.rpc.amqp File "C:\dev\openstack\cinder\cinder\volume\manager.py", line 641, in terminate_connection
2013-03-11 23:28:42.516 1160 TRACE cinder.openstack.common.rpc.amqp self.driver.terminate_connection(volume_ref, connector, force=force)
2013-03-11 23:28:42.516 1160 TRACE cinder.openstack.common.rpc.amqp File "C:\dev\openstack\cinder\cinder\volume\drivers\windows.py", line 135, in terminate_connection
2013-03-11 23:28:42.516 1160 TRACE cinder.openstack.common.rpc.amqp wt_idmethod.Delete_()
2013-03-11 23:28:42.516 1160 TRACE cinder.openstack.common.rpc.amqp AttributeError: 'list' object has no attribute 'Delete_'
2013-03-11 23:28:42.516 1160 TRACE cinder.openstack.common.rpc.amqp
Fix proposed to branch: master /review. openstack. org/24165
Review: https:/