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<p>Hi All,</p>
<p>We are trying to test DataCore storage backend for cinder (
running on Queens ). We have everything installed and have the
cinder config all setup. However whenever we try and start the
"cinder-volume" service, we get the following error:</p>
<p>2019-07-11 12:30:06.977 1909533 ERROR cinder.volume.manager
File
"/openstack/venvs/cinder-17.1.2/lib/python2.7/site-packages/cinder/volume/manager.py",
line 456, in init_host<br>
2019-07-11 12:30:06.977 1909533 ERROR cinder.volume.manager
self.driver.do_setup(ctxt)<br>
2019-07-11 12:30:06.977 1909533 ERROR cinder.volume.manager File
"/openstack/venvs/cinder-17.1.2/lib/python2.7/site-packages/cinder/volume/drivers/datacore/iscsi.py",
line 83, in do_setup<br>
2019-07-11 12:30:06.977 1909533 ERROR cinder.volume.manager
super(ISCSIVolumeDriver, self).do_setup(context)<br>
2019-07-11 12:30:06.977 1909533 ERROR cinder.volume.manager File
"/openstack/venvs/cinder-17.1.2/lib/python2.7/site-packages/cinder/volume/drivers/datacore/driver.py",
line 116, in do_setup<br>
2019-07-11 12:30:06.977 1909533 ERROR cinder.volume.manager
self.configuration.datacore_api_timeout)<br>
2019-07-11 12:30:06.977 1909533 ERROR cinder.volume.manager File
"/openstack/venvs/cinder-17.1.2/lib/python2.7/site-packages/cinder/volume/drivers/datacore/api.py",
line 176, in __init__<br>
2019-07-11 12:30:06.977 1909533 ERROR cinder.volume.manager
raise datacore_exceptions.DataCoreException(msg)<br>
2019-07-11 12:30:06.977 1909533 ERROR cinder.volume.manager
DataCoreException: Failed to import websocket-client python
module. Please, ensure the module is installed.<br>
</p>
<p>We have the "websocket-client" installed also:</p>
<p>pip freeze | grep websocket<br>
websocket-client==0.44.0</p>
<p>The datacore libraries also appear to be available in our venvs
dirs:</p>
<p>ls
/openstack/venvs/cinder-17.1.2/lib/python2.7/site-packages/cinder/volume/drivers/datacore<br>
api.py driver.py exception.py fc.py __init__.py iscsi.py
passwd.py utils.py</p>
<p>We are a bit stumped at the moment and wondered if anyone knew
what might be causing the error? We have managed to get Ceph and
SolidFire working fine.</p>
<p>Regards,<br>
</p>
<p>-- <br>
</p>
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