+ exec nova-scheduler --config-file /etc/nova/nova.conf
Service is starting with native threading. This is currently experimental. Do not use it in production without first testing it in pre-production.
2026-07-31 14:23:10.614 1 INFO nova.utils [None req-20000588-393b-4227-89f0-16c6ff51bc3f - - - - - -] The default thread pool MainProcess.default is initialized
2026-07-31 14:23:11.070 1 INFO nova.utils [None req-20000588-393b-4227-89f0-16c6ff51bc3f - - - - - -] The cell worker thread pool MainProcess.cell_worker is initialized
2026-07-31 14:23:11.099 1 INFO nova.utils [None req-f244879c-7b62-4414-8ba8-241d77ea6e57 - - - - - -] The cell worker thread pool MainProcess.cell_worker is shutting down
2026-07-31 14:23:12.099 1 INFO nova.utils [None req-f244879c-7b62-4414-8ba8-241d77ea6e57 - - - - - -] The cell worker thread pool MainProcess.cell_worker is closed
2026-07-31 14:23:12.100 1 INFO nova.utils [None req-f244879c-7b62-4414-8ba8-241d77ea6e57 - - - - - -] The default thread pool MainProcess.default is shutting down
2026-07-31 14:23:12.729 1 INFO nova.utils [None req-f244879c-7b62-4414-8ba8-241d77ea6e57 - - - - - -] The default thread pool MainProcess.default is closed
2026-07-31 14:23:12.735 1 WARNING oslo_config.cfg [None req-f244879c-7b62-4414-8ba8-241d77ea6e57 - - - - - -] Deprecated: Option "api_servers" from group "glance" is deprecated for removal (
Support for image service configuration via standard keystoneauth1 Adapter
options was added in the 17.0.0 Queens release. The api_servers option was
retained temporarily to allow consumers time to cut over to a real load
balancing solution.
).  Its value may be silently ignored in the future.
2026-07-31 14:23:12.776 11 INFO nova.service [-] Starting scheduler node (version 32.1.0)
2026-07-31 14:23:12.791 13 INFO nova.service [-] Starting scheduler node (version 32.1.0)
2026-07-31 14:32:57.039 11 INFO nova.scheduler.manager [None req-46c93b75-d6af-4004-8c95-5bdb842f8049 - - - - - -] Discovered 1 new hosts: cell1:instance
2026-07-31 14:34:52.627 11 INFO nova.scheduler.host_manager [None req-048e6354-2e0c-4618-b06e-cc5740bbddca - - - - - -] Received a sync request from an unknown host 'instance'. Re-created its InstanceList.
2026-07-31 14:34:52.630 13 INFO nova.scheduler.host_manager [None req-048e6354-2e0c-4618-b06e-cc5740bbddca - - - - - -] Received a sync request from an unknown host 'instance'. Re-created its InstanceList.
2026-07-31 14:40:58.602 11 WARNING oslo.service.backend._common.loopingcall [-] Function 'nova.servicegroup.drivers.db.DbDriver._report_state' run outlasted interval by 0.68 sec
2026-07-31 14:40:58.603 13 WARNING oslo.service.backend._common.loopingcall [-] Function 'nova.servicegroup.drivers.db.DbDriver._report_state' run outlasted interval by 0.66 sec
2026-07-31 14:41:38.864 13 WARNING oslo.service.backend._common.loopingcall [-] Function 'nova.servicegroup.drivers.db.DbDriver._report_state' run outlasted interval by 30.26 sec
2026-07-31 14:42:00.898 11 ERROR oslo_service.periodic_task [None req-ea789b32-61ec-4b5f-95aa-9f289797f9fa - - - - - -] Error during SchedulerManager._discover_hosts_in_cells: IndexError: list index out of range
2026-07-31 14:42:00.898 11 ERROR oslo_service.periodic_task Traceback (most recent call last):
2026-07-31 14:42:00.898 11 ERROR oslo_service.periodic_task   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_service/periodic_task.py", line 216, in run_periodic_tasks
2026-07-31 14:42:00.898 11 ERROR oslo_service.periodic_task     task(self, context)
2026-07-31 14:42:00.898 11 ERROR oslo_service.periodic_task   File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/manager.py", line 114, in _discover_hosts_in_cells
2026-07-31 14:42:00.898 11 ERROR oslo_service.periodic_task     leader = sorted(
2026-07-31 14:42:00.898 11 ERROR oslo_service.periodic_task              ^^^^^^^
2026-07-31 14:42:00.898 11 ERROR oslo_service.periodic_task IndexError: list index out of range
2026-07-31 14:42:00.898 11 ERROR oslo_service.periodic_task 
2026-07-31 14:42:03.589 11 WARNING oslo.service.backend._common.loopingcall [-] Function 'nova.servicegroup.drivers.db.DbDriver._report_state' run outlasted interval by 54.99 sec
2026-07-31 14:42:07.447 13 WARNING oslo.service.backend._common.loopingcall [-] Function 'nova.servicegroup.drivers.db.DbDriver._report_state' run outlasted interval by 18.58 sec
2026-07-31 14:42:17.632 13 WARNING oslo.service.backend._common.loopingcall [-] Function 'nova.servicegroup.drivers.db.DbDriver._report_state' run outlasted interval by 0.18 sec
2026-07-31 14:51:11.018 11 INFO nova.utils [None req-c6fefa02-80c2-4109-b962-afba49c77923 5b170ca5c8944edbb536b06ceab0398e d4c47102189147a397e97ac93de7e3e9 - - default default] The cell worker thread pool ForkProcess-1.cell_worker is initialized
2026-07-31 14:51:36.207 13 INFO nova.utils [None req-eee8650c-2a02-4e23-8851-d646fa45902d 5b170ca5c8944edbb536b06ceab0398e d4c47102189147a397e97ac93de7e3e9 - - default default] The cell worker thread pool ForkProcess-2.cell_worker is initialized