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On Jun 17, 2016, at 2:38 PM, Eugen Block wrote:

> I don't even see the attempt to attach it. If it works, these steps should be processed:

Neither can I! And running with debugging doesn't
show anything either :(

The log literally say (no changes, no additions or removal!):

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2016-06-17 15:12:39.335 8046 DEBUG cinder.volume.manager [req-b9a6a699-c178-427b-b1f2-bf62dce2578e 067a3363c5984f81a7cfa2eda5d1ebf3 d524c8dfd9e9449798ebac9b025f8de6 - - -] Task 'cinder.volume.flows.manager.create_volume.CreateVolumeOnFinishTask;volume:create, create.end' (54ad7ada-38eb-4fe1-9efd-53e6f2d35f26) transitioned into state 'RUNNING' from state 'PENDING' _task_receiver /usr/lib/python2.7/dist-packages/taskflow/listeners/logging.py:189
2016-06-17 15:12:39.583 8046 INFO cinder.volume.flows.manager.create_volume [req-b9a6a699-c178-427b-b1f2-bf62dce2578e 067a3363c5984f81a7cfa2eda5d1ebf3 d524c8dfd9e9449798ebac9b025f8de6 - - -] Volume 8892642a-6e12-48ae-ba94-8cc897a4acd5 (8892642a-6e12-48ae-ba94-8cc897a4acd5): created successfully
2016-06-17 15:12:39.585 8046 DEBUG cinder.volume.manager [req-b9a6a699-c178-427b-b1f2-bf62dce2578e 067a3363c5984f81a7cfa2eda5d1ebf3 d524c8dfd9e9449798ebac9b025f8de6 - - -] Task 'cinder.volume.flows.manager.create_volume.CreateVolumeOnFinishTask;volume:create, create.end' (54ad7ada-38eb-4fe1-9efd-53e6f2d35f26) transitioned into state 'SUCCESS' from state 'RUNNING' with result 'None' _task_receiver /usr/lib/python2.7/dist-packages/taskflow/listeners/logging.py:178
2016-06-17 15:12:39.589 8046 DEBUG cinder.volume.manager [req-b9a6a699-c178-427b-b1f2-bf62dce2578e 067a3363c5984f81a7cfa2eda5d1ebf3 d524c8dfd9e9449798ebac9b025f8de6 - - -] Flow 'volume_create_manager' (45f829ab-d4bd-480a-a78f-c5e8eaa38598) transitioned into state 'SUCCESS' from state 'RUNNING' _flow_receiver /usr/lib/python2.7/dist-packages/taskflow/listeners/logging.py:140
2016-06-17 15:12:39.591 8046 INFO cinder.volume.manager [req-b9a6a699-c178-427b-b1f2-bf62dce2578e 067a3363c5984f81a7cfa2eda5d1ebf3 d524c8dfd9e9449798ebac9b025f8de6 - - -] Created volume successfully.
[NOTE: Here everything was a-ok!!]
2016-06-17 15:12:43.378 8046 DEBUG oslo_messaging._drivers.amqpdriver [-] received message msg_id: None reply to None __call__ /usr/lib/python2.7/dist-packages/oslo_messaging/_drivers/amqpdriver.py:201
[NOTE: And here it starts deleting the volume!]
2016-06-17 15:12:43.383 8046 DEBUG oslo_concurrency.lockutils [req-661beca9-723a-4565-99b2-70b5ed862eca 067a3363c5984f81a7cfa2eda5d1ebf3 d524c8dfd9e9449798ebac9b025f8de6 - - -] Lock "8892642a-6e12-48ae-ba94-8cc897a4acd5-delete_volume" acquired by "cinder.volume.manager.lvo_inner2" :: waited 0.001s inner /usr/lib/python2.7/dist-packages/oslo_concurrency/lockutils.py:273
2016-06-17 15:12:43.614 8046 INFO cinder.volume.targets.iscsi [req-661beca9-723a-4565-99b2-70b5ed862eca 067a3363c5984f81a7cfa2eda5d1ebf3 d524c8dfd9e9449798ebac9b025f8de6 - - -] Skipping remove_export. No iscsi_target is presently exported for volume: 8892642a-6e12-48ae-ba94-8cc897a4acd5
2016-06-17 15:12:43.615 8046 DEBUG oslo_concurrency.processutils [req-661beca9-723a-4565-99b2-70b5ed862eca 067a3363c5984f81a7cfa2eda5d1ebf3 d524c8dfd9e9449798ebac9b025f8de6 - - -] Running cmd (subprocess): sudo cinder-rootwrap /etc/cinder/rootwrap.conf env LC_ALL=C lvs --noheadings --unit=g -o vg_name,name,size --nosuffix blade_center/8892642a-6e12-48ae-ba94-8cc897a4acd5 execute /usr/lib/python2.7/dist-packages/oslo_concurrency/processutils.py:326
2016-06-17 15:12:43.780 8046 DEBUG oslo_concurrency.processutils [req-661beca9-723a-4565-99b2-70b5ed862eca 067a3363c5984f81a7cfa2eda5d1ebf3 d524c8dfd9e9449798ebac9b025f8de6 - - -] CMD "sudo cinder-rootwrap /etc/cinder/rootwrap.conf env LC_ALL=C lvs --noheadings --unit=g -o vg_name,name,size --nosuffix blade_center/8892642a-6e12-48ae-ba94-8cc897a4acd5" returned: 0 in 0.166s execute /usr/lib/python2.7/dist-packages/oslo_concurrency/processutils.py:356
2016-06-17 15:12:43.783 8046 DEBUG oslo_concurrency.processutils [req-661beca9-723a-4565-99b2-70b5ed862eca 067a3363c5984f81a7cfa2eda5d1ebf3 d524c8dfd9e9449798ebac9b025f8de6 - - -] Running cmd (subprocess): sudo cinder-rootwrap /etc/cinder/rootwrap.conf env LC_ALL=C lvdisplay --noheading -C -o Attr blade_center/8892642a-6e12-48ae-ba94-8cc897a4acd5 execute /usr/lib/python2.7/dist-packages/oslo_concurrency/processutils.py:326
2016-06-17 15:12:43.948 8046 DEBUG oslo_concurrency.processutils [req-661beca9-723a-4565-99b2-70b5ed862eca 067a3363c5984f81a7cfa2eda5d1ebf3 d524c8dfd9e9449798ebac9b025f8de6 - - -] CMD "sudo cinder-rootwrap /etc/cinder/rootwrap.conf env LC_ALL=C lvdisplay --noheading -C -o Attr blade_center/8892642a-6e12-48ae-ba94-8cc897a4acd5" returned: 0 in 0.165s execute /usr/lib/python2.7/dist-packages/oslo_concurrency/processutils.py:356
2016-06-17 15:12:43.950 8046 INFO cinder.volume.utils [req-661beca9-723a-4565-99b2-70b5ed862eca 067a3363c5984f81a7cfa2eda5d1ebf3 d524c8dfd9e9449798ebac9b025f8de6 - - -] Performing secure delete on volume: /dev/mapper/blade_center-8892642a--6e12--48ae--ba94--8cc897a4acd5
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--
Imagine you're an idiot and then imagine you're in
the government. Oh, sorry. Now I'm repeating myself
- Mark Twain