centos7.4+openstack queens版多節點分佈式快速部署(七)安裝控制節點Neutron For OVS

（1）在mariadb上爲neutron數據庫和授權mysql -u root -p CREATE DATABASE neutron; 進入數據庫後，執行授權： flush privileges; GRANT ALL PRIVILEGES ON neutron.* TO 'neutron'@'localhost'   IDENTIFIED BY 'NEUTRON_DBPASS'; GRANT AL

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