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<div>Hello everyone, I am attempting to add the EMC XtremIO driver that is included with Liberty to one of my Cinder nodes. I am seeing the error below in cinder-volume.log which indicates that the driver can not be found upon load. I think I am missing something
very simple here. I am not sure where XtremIOIscsiDriver Class is defined. Can someone point me in the right direction? </div>
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<div>I followed the installation docs located at the link below. </div>
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<div><a href="http://docs.openstack.org/liberty/config-reference/content/XtremIO-cinder-driver.html">http://docs.openstack.org/liberty/config-reference/content/XtremIO-cinder-driver.html</a></div>
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<div>Error From cinder-volume.log</div>
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2016-02-03 17:34:39.256 23482 INFO cinder.volume.manager [req-b7963d3d-fdf3-4bf8-b955-b3fcf95f240b - - - - -] Determined volume DB was not empty at startup.</p>
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2016-02-03 17:34:39.256 23482 DEBUG cinder.volume.manager [req-b7963d3d-fdf3-4bf8-b955-b3fcf95f240b - - - - -] Cinder Volume DB check: vol_db_empty=False __init__ /usr/lib/python2.7/dist-packages/cinder/volume/manager.py:219</p>
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2016-02-03 17:34:39.286 23482 ERROR cinder.cmd.volume [req-b7963d3d-fdf3-4bf8-b955-b3fcf95f240b - - - - -] Volume service compute01@XtremIO failed to start.</p>
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2016-02-03 17:34:39.286 23482 ERROR cinder.cmd.volume Traceback (most recent call last):</p>
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2016-02-03 17:34:39.286 23482 ERROR cinder.cmd.volume File "/usr/lib/python2.7/dist-packages/cinder/cmd/volume.py", line 77, in main</p>
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2016-02-03 17:34:39.286 23482 ERROR cinder.cmd.volume binary='cinder-volume')</p>
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2016-02-03 17:34:39.286 23482 ERROR cinder.cmd.volume File "/usr/lib/python2.7/dist-packages/cinder/service.py", line 251, in create</p>
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2016-02-03 17:34:39.286 23482 ERROR cinder.cmd.volume service_name=service_name)</p>
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2016-02-03 17:34:39.286 23482 ERROR cinder.cmd.volume File "/usr/lib/python2.7/dist-packages/cinder/service.py", line 130, in __init__</p>
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2016-02-03 17:34:39.286 23482 ERROR cinder.cmd.volume *args, **kwargs)</p>
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2016-02-03 17:34:39.286 23482 ERROR cinder.cmd.volume File "/usr/lib/python2.7/dist-packages/cinder/volume/manager.py", line 226, in __init__</p>
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2016-02-03 17:34:39.286 23482 ERROR cinder.cmd.volume is_vol_db_empty=vol_db_empty)</p>
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2016-02-03 17:34:39.286 23482 ERROR cinder.cmd.volume File "/usr/lib/python2.7/dist-packages/oslo_utils/importutils.py", line 38, in import_object</p>
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2016-02-03 17:34:39.286 23482 ERROR cinder.cmd.volume return import_class(import_str)(*args, **kwargs)</p>
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2016-02-03 17:34:39.286 23482 ERROR cinder.cmd.volume File "/usr/lib/python2.7/dist-packages/oslo_utils/importutils.py", line 33, in import_class</p>
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2016-02-03 17:34:39.286 23482 ERROR cinder.cmd.volume traceback.format_exception(*sys.exc_info())))</p>
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2016-02-03 17:34:39.286 23482 ERROR cinder.cmd.volume ImportError: Class XtremIOIscsiDriver cannot be found (['Traceback (most recent call last):\n', ' File "/usr/lib/python2.7/dist-packages/oslo_utils/importutils.py", line 29, in import_class\n return
getattr(sys.modules[mod_str], class_str)\n', "AttributeError: 'module' object has no attribute 'XtremIOIscsiDriver'\n"])</p>
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2016-02-03 17:34:39.286 23482 ERROR cinder.cmd.volume </p>
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The lines the error is referencing are below but I am not seeing any issue with this? </p>
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return getattr(sys.modules[mod_str], class_str)</p>
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except AttributeError:</p>
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raise ImportError('Class %s cannot be found (%s)' %</p>
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(class_str,</p>
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traceback.format_exception(*sys.exc_info())))</p>
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These appear to be the drivers included. </p>
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root@compute01:/usr/lib/python2.7/dist-packages/cinder/volume/drivers# ls -lash xio*</p>
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68K -rw-r--r-- 1 root root 68K Oct 15 08:03 xio.py</p>
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52K -rw-r--r-- 1 root root 50K Jan 30 17:44 xio.pyc</p>
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root@compute01:/usr/lib/python2.7/dist-packages/cinder/volume/drivers# </p>
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<div><span style="color: rgb(89, 89, 89); font-family: Cambria, serif; font-size: 11pt;">Steven Searles | </span><a href="mailto:ssearles@zimcom.net" class="" style="font-family: Cambria, serif; font-size: 11pt;">ssearles@zimcom.net</a></div>
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