1===================================== 2HTTP bad request in cinder volume log 3===================================== 4 5Problem 6~~~~~~~ 7 8These errors appear in the ``cinder-volume.log`` file: 9 10.. code-block:: console 11 12 2013-05-03 15:16:33 INFO [cinder.volume.manager] Updating volume status 13 2013-05-03 15:16:33 DEBUG [hp3parclient.http] 14 REQ: curl -i https://10.10.22.241:8080/api/v1/cpgs -X GET -H "X-Hp3Par-Wsapi-Sessionkey: 48dc-b69ed2e5 15 f259c58e26df9a4c85df110c-8d1e8451" -H "Accept: application/json" -H "User-Agent: python-3parclient" 16 17 2013-05-03 15:16:33 DEBUG [hp3parclient.http] RESP:{'content-length': 311, 'content-type': 'text/plain', 18 'status': '400'} 19 20 2013-05-03 15:16:33 DEBUG [hp3parclient.http] RESP BODY:Second simultaneous read on fileno 13 detected. 21 Unless you really know what you're doing, make sure that only one greenthread can read any particular socket. 22 Consider using a pools.Pool. If you do know what you're doing and want to disable this error, 23 call eventlet.debug.hub_multiple_reader_prevention(False) 24 25 2013-05-03 15:16:33 ERROR [cinder.manager] Error during VolumeManager._report_driver_status: Bad request (HTTP 400) 26 Traceback (most recent call last): 27 File "/usr/lib/python2.7/dist-packages/cinder/manager.py", line 167, in periodic_tasks task(self, context) 28 File "/usr/lib/python2.7/dist-packages/cinder/volume/manager.py", line 690, in _report_driver_status volume_stats = 29 self.driver.get_volume_stats(refresh=True) 30 File "/usr/lib/python2.7/dist-packages/cinder/volume/drivers/san/hp/hp_3par_fc.py", line 77, in get_volume_stats stats = 31 self.common.get_volume_stats(refresh, self.client) 32 File "/usr/lib/python2.7/dist-packages/cinder/volume/drivers/san/hp/hp_3par_common.py", line 421, in get_volume_stats cpg = 33 client.getCPG(self.config.hp3par_cpg) 34 File "/usr/lib/python2.7/dist-packages/hp3parclient/client.py", line 231, in getCPG cpgs = self.getCPGs() 35 File "/usr/lib/python2.7/dist-packages/hp3parclient/client.py", line 217, in getCPGs response, body = self.http.get('/cpgs') 36 File "/usr/lib/python2.7/dist-packages/hp3parclient/http.py", line 255, in get return self._cs_request(url, 'GET', **kwargs) 37 File "/usr/lib/python2.7/dist-packages/hp3parclient/http.py", line 224, in _cs_request **kwargs) 38 File "/usr/lib/python2.7/dist-packages/hp3parclient/http.py", line 198, in _time_request resp, body = self.request(url, method, **kwargs) 39 File "/usr/lib/python2.7/dist-packages/hp3parclient/http.py", line 192, in request raise exceptions.from_response(resp, body) 40 HTTPBadRequest: Bad request (HTTP 400) 41 42Solution 43~~~~~~~~ 44 45You need to update your copy of the ``hp_3par_fc.py`` driver which 46contains the synchronization code. 47