Block Device Mapping is Invalid error because slow backend when creating vm from image boot from volume

Solution In Progress - Updated -

Issue

  • from nova show after vm failure:
File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 1780, in _do_build_and_run_instance filter_properties) File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 1961, in _build_and_run_instance phase=fields.NotificationPhase.ERROR, exception=e) File "/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 220, in __exit__ self.force_reraise() File "/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 196, in force_reraise six.reraise(self.type_, self.value, self.tb) File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 1914, in _build_and_run_instance block_device_mapping) as resources: File "/usr/lib64/python2.7/contextlib.py", line 17, in __enter__ return self.gen.next() File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 2112, in _build_resources reason=e.format_message())
  • Block Device Mapping is Invalid

Environment

  • Red Hat OpenStack Platform 11.0

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