Comment by Praveen N for Hi there I searched a lot on the Internet but didn't find the right solution for it I can not launch Ubuntu instances in my open stack every time i try to launch one it gives me this error Build of instance b61961a2-1782-442b-beb7-f41e17c2b742 aborted: Volume b527da87-733a-4657-85c6-8ebff0726510 did not finish being created even after we waited 10 seconds or 4 attempts. And its status is error. Code 500 more in detail File "/opt/stack/nova/nova/compute/manager.py", line 1821, in _do_build_and_run_instance filter_properties) File "/opt/stack/nova/nova/compute/manager.py", line 2000, in _build_and_run_instance phase=fields.NotificationPhase.ERROR, exception=e) File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 220, in __exit__ self.force_reraise() File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 196, in force_reraise six.reraise(self.type_, self.value, self.tb) File "/opt/stack/nova/nova/compute/manager.py", line 1956, in _build_and_run_instance block_device_mapping) as resources: File "/usr/lib/python2.7/contextlib.py", line 17, in __enter__ return self.gen.next() File "/opt/stack/nova/nova/compute/manager.py", line 2145, in _build_resources reason=e.format_message())

Hi, Please check nova compute log, nova scheduler log, neutron server log, cinder volume log and cinder scheduler log for any ERROR . This may give you some clue about your issue..!!