5. 이제 keystone-manage db_sync 명령어를 이용해 Keystone 데이터베이스에 테이블을 생성해 보겠습니다. 다음과 같이 명령어를 입력하고 Enter를 누르면 테이블이 생성되어야 하는데 테이블은 생성되지 않고 데이터베이스 접속에 실패했다는 오류 메시지가 표시됩니다.
root@controller:~# su -s /bin/sh -c “keystone-manage db_sync” keystone 2016-05-30 20:55:21.067 12322 WARNING oslo_db.sqlalchemy.engines [-] SQL connection failed. 10 attempts left. 2016-05-30 20:55:31.075 12322 WARNING oslo_db.sqlalchemy.engines [-] SQL connection failed. 9 attempts left. … 2016-05-30 20:57:01.137 12322 CRITICAL keystone [-] DBConnectionError: (pymysql. err.OperationalError) (2003, “Can’t connect to MySQL server on ‘192.168.56.101’ ([Errno 111] Connection refused)“) 2016-05-30 20:57:01.137 12322 ERROR keystone Traceback (most recent call last): 2016-05-30 20:57:01.137 12322 ERROR keystone File “/usr/bin/keystone-manage”, line 10, in <module> 2016-05-30 20:57:01.137 12322 ERROR keystone sys.exit(main()) 2016-05-30 20:57:01.137 12322 ERROR keystone File “/usr/lib/python2.7/dist- packages/keystone/cmd/manage.py”, line 47, in main … 2016-05-30 20:57:01.137 12322 ERROR keystone DBConnectionError: (pymysql.err. OperationalError) (2003, “Can’t connect to MySQL server on ‘192.168.56.101’ ([Errno 111] Connection refused)“) 2016-05-30 20:57:01.137 12322 ERROR keystone