+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-08-06 07:27:10.653 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-08-06 07:27:10.892 1 INFO cinder.rpc [None req-881f2d03-829c-432c-9b37-df2d8563d3fd - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-08-06 07:27:10.895 1 INFO cinder.rpc [None req-881f2d03-829c-432c-9b37-df2d8563d3fd - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-08-06 07:27:10.897 1 INFO cinder.rpc [None req-881f2d03-829c-432c-9b37-df2d8563d3fd - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-08-06 07:27:10.900 1 INFO cinder.rpc [None req-881f2d03-829c-432c-9b37-df2d8563d3fd - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version.
2026-08-06 07:27:10.904 1 INFO cinder.rpc [None req-881f2d03-829c-432c-9b37-df2d8563d3fd - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-08-06 07:27:10.907 1 INFO cinder.rpc [None req-881f2d03-829c-432c-9b37-df2d8563d3fd - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-08-06 07:27:10.971 1 WARNING oslo_config.cfg [None req-881f2d03-829c-432c-9b37-df2d8563d3fd - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated for removal (The auth_uri option is deprecated in favor of www_authenticate_uri and will be removed in the S  release.).  Its value may be silently ignored in the future.
2026-08-06 07:27:10.972 1 WARNING oslo_config.cfg [None req-881f2d03-829c-432c-9b37-df2d8563d3fd - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-08-06 07:27:10.982 1 INFO cinder.service [-] Starting cinder-backup node (version 22.3.1)
2026-08-06 07:27:11.000 1 INFO cinder.backup.manager [None req-37f9a62b-9123-4f87-8433-a70684573e8c - - - - - -] Cleaning up incomplete backup operations.
2026-08-06 07:27:11.131 1 INFO cinder.keymgr.migration [None req-f3156d83-4072-479e-aeb3-4da9c747c40a - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.
2026-08-06 08:29:58.720 1 WARNING oslo.service.loopingcall [None req-f7d79c7e-2339-4aee-8f81-e6018288464b - - - - - -] Function 'cinder.service.Service.report_state' run outlasted interval by 8.18 sec
2026-08-06 08:30:28.725 1 ERROR oslo_db.sqlalchemy.engines [None req-f7d79c7e-2339-4aee-8f81-e6018288464b - - - - - -] Database connection was found disconnected; reconnecting: oslo_db.exception.DBConnectionError: (pymysql.err.OperationalError) (2013, 'Lost connection to MySQL server during query')
[SQL: SELECT 1]
(Background on this error at: https://sqlalche.me/e/14/e3q8)
2026-08-06 08:30:28.725 1 ERROR oslo_db.sqlalchemy.engines Traceback (most recent call last):
2026-08-06 08:30:28.725 1 ERROR oslo_db.sqlalchemy.engines   File "/var/lib/openstack/lib/python3.10/site-packages/sqlalchemy/engine/base.py", line 1900, in _execute_context
2026-08-06 08:30:28.725 1 ERROR oslo_db.sqlalchemy.engines     self.dialect.do_execute(
2026-08-06 08:30:28.725 1 ERROR oslo_db.sqlalchemy.engines   File "/var/lib/openstack/lib/python3.10/site-packages/sqlalchemy/engine/default.py", line 736, in do_execute
2026-08-06 08:30:28.725 1 ERROR oslo_db.sqlalchemy.engines     cursor.execute(statement, parameters)
2026-08-06 08:30:28.725 1 ERROR oslo_db.sqlalchemy.engines   File "/var/lib/openstack/lib/python3.10/site-packages/pymysql/cursors.py", line 148, in execute
2026-08-06 08:30:28.725 1 ERROR oslo_db.sqlalchemy.engines     result = self._query(query)
2026-08-06 08:30:28.725 1 ERROR oslo_db.sqlalchemy.engines   File "/var/lib/openstack/lib/python3.10/site-packages/pymysql/cursors.py", line 310, in _query
2026-08-06 08:30:28.725 1 ERROR oslo_db.sqlalchemy.engines     conn.query(q)
2026-08-06 08:30:28.725 1 ERROR oslo_db.sqlalchemy.engines   File "/var/lib/openstack/lib/python3.10/site-packages/pymysql/connections.py", line 548, in query
2026-08-06 08:30:28.725 1 ERROR oslo_db.sqlalchemy.engines     self._affected_rows = self._read_query_result(unbuffered=unbuffered)
2026-08-06 08:30:28.725 1 ERROR oslo_db.sqlalchemy.engines   File "/var/lib/openstack/lib/python3.10/site-packages/pymysql/connections.py", line 775, in _read_query_result
2026-08-06 08:30:28.725 1 ERROR oslo_db.sqlalchemy.engines     result.read()
2026-08-06 08:30:28.725 1 ERROR oslo_db.sqlalchemy.engines   File "/var/lib/openstack/lib/python3.10/site-packages/pymysql/connections.py", line 1156, in read
2026-08-06 08:30:28.725 1 ERROR oslo_db.sqlalchemy.engines     first_packet = self.connection._read_packet()
2026-08-06 08:30:28.725 1 ERROR oslo_db.sqlalchemy.engines   File "/var/lib/openstack/lib/python3.10/site-packages/pymysql/connections.py", line 692, in _read_packet
2026-08-06 08:30:28.725 1 ERROR oslo_db.sqlalchemy.engines     packet_header = self._read_bytes(4)
2026-08-06 08:30:28.725 1 ERROR oslo_db.sqlalchemy.engines   File "/var/lib/openstack/lib/python3.10/site-packages/pymysql/connections.py", line 748, in _read_bytes
2026-08-06 08:30:28.725 1 ERROR oslo_db.sqlalchemy.engines     raise err.OperationalError(
2026-08-06 08:30:28.725 1 ERROR oslo_db.sqlalchemy.engines pymysql.err.OperationalError: (2013, 'Lost connection to MySQL server during query')
2026-08-06 08:30:28.725 1 ERROR oslo_db.sqlalchemy.engines 
2026-08-06 08:30:28.725 1 ERROR oslo_db.sqlalchemy.engines The above exception was the direct cause of the following exception:
2026-08-06 08:30:28.725 1 ERROR oslo_db.sqlalchemy.engines 
2026-08-06 08:30:28.725 1 ERROR oslo_db.sqlalchemy.engines Traceback (most recent call last):
2026-08-06 08:30:28.725 1 ERROR oslo_db.sqlalchemy.engines   File "/var/lib/openstack/lib/python3.10/site-packages/oslo_db/sqlalchemy/engines.py", line 74, in _connect_ping_listener
2026-08-06 08:30:28.725 1 ERROR oslo_db.sqlalchemy.engines     connection.scalar(select(1))
2026-08-06 08:30:28.725 1 ERROR oslo_db.sqlalchemy.engines   File "/var/lib/openstack/lib/python3.10/site-packages/sqlalchemy/engine/base.py", line 1262, in scalar
2026-08-06 08:30:28.725 1 ERROR oslo_db.sqlalchemy.engines     return self.execute(object_, *multiparams, **params).scalar()
2026-08-06 08:30:28.725 1 ERROR oslo_db.sqlalchemy.engines   File "/var/lib/openstack/lib/python3.10/site-packages/sqlalchemy/engine/base.py", line 1380, in execute
2026-08-06 08:30:28.725 1 ERROR oslo_db.sqlalchemy.engines     return meth(self, multiparams, params, _EMPTY_EXECUTION_OPTS)
2026-08-06 08:30:28.725 1 ERROR oslo_db.sqlalchemy.engines   File "/var/lib/openstack/lib/python3.10/site-packages/sqlalchemy/sql/elements.py", line 333, in _execute_on_connection
2026-08-06 08:30:28.725 1 ERROR oslo_db.sqlalchemy.engines     return connection._execute_clauseelement(
2026-08-06 08:30:28.725 1 ERROR oslo_db.sqlalchemy.engines   File "/var/lib/openstack/lib/python3.10/site-packages/sqlalchemy/engine/base.py", line 1572, in _execute_clauseelement
2026-08-06 08:30:28.725 1 ERROR oslo_db.sqlalchemy.engines     ret = self._execute_context(
2026-08-06 08:30:28.725 1 ERROR oslo_db.sqlalchemy.engines   File "/var/lib/openstack/lib/python3.10/site-packages/sqlalchemy/engine/base.py", line 1943, in _execute_context
2026-08-06 08:30:28.725 1 ERROR oslo_db.sqlalchemy.engines     self._handle_dbapi_exception(
2026-08-06 08:30:28.725 1 ERROR oslo_db.sqlalchemy.engines   File "/var/lib/openstack/lib/python3.10/site-packages/sqlalchemy/engine/base.py", line 2122, in _handle_dbapi_exception
2026-08-06 08:30:28.725 1 ERROR oslo_db.sqlalchemy.engines     util.raise_(newraise, with_traceback=exc_info[2], from_=e)
2026-08-06 08:30:28.725 1 ERROR oslo_db.sqlalchemy.engines   File "/var/lib/openstack/lib/python3.10/site-packages/sqlalchemy/util/compat.py", line 208, in raise_
2026-08-06 08:30:28.725 1 ERROR oslo_db.sqlalchemy.engines     raise exception
2026-08-06 08:30:28.725 1 ERROR oslo_db.sqlalchemy.engines   File "/var/lib/openstack/lib/python3.10/site-packages/sqlalchemy/engine/base.py", line 1900, in _execute_context
2026-08-06 08:30:28.725 1 ERROR oslo_db.sqlalchemy.engines     self.dialect.do_execute(
2026-08-06 08:30:28.725 1 ERROR oslo_db.sqlalchemy.engines   File "/var/lib/openstack/lib/python3.10/site-packages/sqlalchemy/engine/default.py", line 736, in do_execute
2026-08-06 08:30:28.725 1 ERROR oslo_db.sqlalchemy.engines     cursor.execute(statement, parameters)
2026-08-06 08:30:28.725 1 ERROR oslo_db.sqlalchemy.engines   File "/var/lib/openstack/lib/python3.10/site-packages/pymysql/cursors.py", line 148, in execute
2026-08-06 08:30:28.725 1 ERROR oslo_db.sqlalchemy.engines     result = self._query(query)
2026-08-06 08:30:28.725 1 ERROR oslo_db.sqlalchemy.engines   File "/var/lib/openstack/lib/python3.10/site-packages/pymysql/cursors.py", line 310, in _query
2026-08-06 08:30:28.725 1 ERROR oslo_db.sqlalchemy.engines     conn.query(q)
2026-08-06 08:30:28.725 1 ERROR oslo_db.sqlalchemy.engines   File "/var/lib/openstack/lib/python3.10/site-packages/pymysql/connections.py", line 548, in query
2026-08-06 08:30:28.725 1 ERROR oslo_db.sqlalchemy.engines     self._affected_rows = self._read_query_result(unbuffered=unbuffered)
2026-08-06 08:30:28.725 1 ERROR oslo_db.sqlalchemy.engines   File "/var/lib/openstack/lib/python3.10/site-packages/pymysql/connections.py", line 775, in _read_query_result
2026-08-06 08:30:28.725 1 ERROR oslo_db.sqlalchemy.engines     result.read()
2026-08-06 08:30:28.725 1 ERROR oslo_db.sqlalchemy.engines   File "/var/lib/openstack/lib/python3.10/site-packages/pymysql/connections.py", line 1156, in read
2026-08-06 08:30:28.725 1 ERROR oslo_db.sqlalchemy.engines     first_packet = self.connection._read_packet()
2026-08-06 08:30:28.725 1 ERROR oslo_db.sqlalchemy.engines   File "/var/lib/openstack/lib/python3.10/site-packages/pymysql/connections.py", line 692, in _read_packet
2026-08-06 08:30:28.725 1 ERROR oslo_db.sqlalchemy.engines     packet_header = self._read_bytes(4)
2026-08-06 08:30:28.725 1 ERROR oslo_db.sqlalchemy.engines   File "/var/lib/openstack/lib/python3.10/site-packages/pymysql/connections.py", line 748, in _read_bytes
2026-08-06 08:30:28.725 1 ERROR oslo_db.sqlalchemy.engines     raise err.OperationalError(
2026-08-06 08:30:28.725 1 ERROR oslo_db.sqlalchemy.engines oslo_db.exception.DBConnectionError: (pymysql.err.OperationalError) (2013, 'Lost connection to MySQL server during query')
2026-08-06 08:30:28.725 1 ERROR oslo_db.sqlalchemy.engines [SQL: SELECT 1]
2026-08-06 08:30:28.725 1 ERROR oslo_db.sqlalchemy.engines (Background on this error at: https://sqlalche.me/e/14/e3q8)
2026-08-06 08:30:28.725 1 ERROR oslo_db.sqlalchemy.engines