一下是错误信息我第一次来csdn不知道怎么更容易读各位大佬见谅-- 解决依赖关系完成错误软件包libvirt-daemon-config-network-4.5.0-36.el7.x86_64 (anaconda)需要libvirt-daemon 4.5.0-36.el7正在删除: libvirt-daemon-4.5.0-36.el7.x86_64 (anaconda)libvirt-daemon 4.5.0-36.el7更新由: libvirt-daemon-4.5.0-36.el7_9.3.x86_64 (iaas-repo)libvirt-daemon 4.5.0-36.el7_9.3错误软件包libvirt-daemon-config-network-4.5.0-36.el7.x86_64 (anaconda)需要libvirt-daemon-driver-network 4.5.0-36.el7正在删除: libvirt-daemon-driver-network-4.5.0-36.el7.x86_64 (anaconda)libvirt-daemon-driver-network 4.5.0-36.el7更新由: libvirt-daemon-driver-network-4.5.0-36.el7_9.3.x86_64 (iaas-repo)libvirt-daemon-driver-network 4.5.0-36.el7_9.3您可以尝试添加 --skip-broken 选项来解决该问题您可以尝试执行rpm -Va --nofiles --nodigest[Errno 2] No such file or directory: /etc/nova/nova.conf[Errno 2] No such file or directory: /etc/nova/nova.conf[Errno 2] No such file or directory: /etc/nova/nova.conf[Errno 2] No such file or directory: /etc/nova/nova.conf[Errno 2] No such file or directory: /etc/nova/nova.conf[Errno 2] No such file or directory: /etc/nova/nova.conf[Errno 2] No such file or directory: /etc/nova/nova.conf[Errno 2] No such file or directory: /etc/nova/nova.conf[Errno 2] No such file or directory: /etc/nova/nova.conf[Errno 2] No such file or directory: /etc/nova/nova.conf[Errno 2] No such file or directory: /etc/nova/nova.conf[Errno 2] No such file or directory: /etc/nova/nova.conf[Errno 2] No such file or directory: /etc/nova/nova.conf[Errno 2] No such file or directory: /etc/nova/nova.conf[Errno 2] No such file or directory: /etc/nova/nova.conf[Errno 2] No such file or directory: /etc/nova/nova.conf[Errno 2] No such file or directory: /etc/nova/nova.conf[Errno 2] No such file or directory: /etc/nova/nova.conf[Errno 2] No such file or directory: /etc/nova/nova.conf[Errno 2] No such file or directory: /etc/nova/nova.conf[Errno 2] No such file or directory: /etc/nova/nova.conf[Errno 2] No such file or directory: /etc/nova/nova.conf[Errno 2] No such file or directory: /etc/nova/nova.conf[Errno 2] No such file or directory: /etc/nova/nova.conf[Errno 2] No such file or directory: /etc/nova/nova.conf[Errno 2] No such file or directory: /etc/nova/nova.conf[Errno 2] No such file or directory: /etc/nova/nova.conf[Errno 2] No such file or directory: /etc/nova/nova.conf[Errno 2] No such file or directory: /etc/nova/nova.conf[Errno 2] No such file or directory: /etc/nova/nova.confFailed to execute operation: No such file or directoryFailed to restart openstack-nova-compute.service: Unit not found.Internal Server Error (HTTP 500)An error has occurred:Traceback (most recent call last):File /usr/lib/python2.7/site-packages/nova/cmd/manage.py, line 2708, in mainret fn(*fn_args, **fn_kwargs)File /usr/lib/python2.7/site-packages/nova/cmd/manage.py, line 1392, in discover_hostsby_service)File /usr/lib/python2.7/site-packages/nova/objects/host_mapping.py, line 256, in discover_hostscell_mappings objects.CellMappingList.get_all(ctxt)File /usr/lib/python2.7/site-packages/oslo_versionedobjects/base.py, line 184, in wrapperresult fn(cls, context, *args, **kwargs)File /usr/lib/python2.7/site-packages/nova/objects/cell_mapping.py, line 256, in get_alldb_mappings cls._get_all_from_db(context)File /usr/lib/python2.7/site-packages/oslo_db/sqlalchemy/enginefacade.py, line 1014, in wrapperwith self._transaction_scope(context):File /usr/lib64/python2.7/contextlib.py, line 17, in __enter__return self.gen.next()File /usr/lib/python2.7/site-packages/oslo_db/sqlalchemy/enginefacade.py, line 1064, in _transaction_scopecontextcontext) as resource:File /usr/lib64/python2.7/contextlib.py, line 17, in __enter__return self.gen.next()File /usr/lib/python2.7/site-packages/oslo_db/sqlalchemy/enginefacade.py, line 659, in _sessionbindself.connection, modeself.mode)File /usr/lib/python2.7/site-packages/oslo_db/sqlalchemy/enginefacade.py, line 418, in _create_sessionself._start()File /usr/lib/python2.7/site-packages/oslo_db/sqlalchemy/enginefacade.py, line 510, in _startengine_args, maker_args)File /usr/lib/python2.7/site-packages/oslo_db/sqlalchemy/enginefacade.py, line 534, in _setup_for_connectionsql_connectionsql_connection, **engine_kwargs)File /usr/lib/python2.7/site-packages/debtcollector/renames.py, line 43, in decoratorreturn wrapped(*args, **kwargs)File /usr/lib/python2.7/site-packages/oslo_db/sqlalchemy/engines.py, line 201, in create_enginetest_conn _test_connection(engine, max_retries, retry_interval)File /usr/lib/python2.7/site-packages/oslo_db/sqlalchemy/engines.py, line 387, in _test_connectionsix.reraise(type(de_ref), de_ref)File string, line 3, in reraiseDBConnectionError: (pymysql.err.OperationalError) (2003, Cant connect to MySQL server on controller ([Errno 111] ECONNREFUSED)) (Background on this error at: http://sqlalche.me/e/e3q8)