予全局的 FILE 和 Select 权限：
mysql> GRANT FILE,Select,REPLICATION SLAVE ON *.* TO 'rep'@'%' IDENTIFIED BY 'rep';
3.设置同步
如果是新库，两边直接重置master的binlog
mysql> reset master;
(否则，需要把master的库用mysqldump导出（或直接打包压缩），再复制到从库主机，大致步骤如下：
①mysql> flush tables with read lock;
②mysql> mysqldump -uroot -p --all-databases -l -F >full_db.sql
scp full_db.sql root@192.168.17.188:/data/mysql/percona_3306/data
或
②cd /data/mysql/percona_3306
tar zcvf data.tar.gz ./data
scp data.tar.gz root@192.168.17.188
③mysql> unlock tables;
从库导入主库的数据库
mysql> mysql -uroot -p 或
mysql> source /data/mysql/percona_3306/data/full_db.sql
)
4.主库查询日志状态
mysql> show master status\G
5.从库根据主库的binlog位置和position来执行同步
mysql> change master to master_host='192.168.17.177',master_user='rep',master_password='rep',
master_log_file='percona-bin.000001',master_log_pos='120';
6.启动slave
mysql> start slave;
启动后报错
Slave I/O: Fatal error: The slave I/O thread stops because master and slave have equal MySQL server UUIDs; these UUIDs must be different for replication to work. Error_code: 1593
因为从库是直接通过虚拟机拷贝镜像的方式创建的，所以UUID重复了，UUID是存放在
/data/mysql/percona_3306/data/auto.cnf文件中的
可以把这个文件直接删除，或者编辑该文件，修改里面的UUID和主库不同即可，正常以后，应该是以下的状态：
(testing)root@localhost [(none)]> show slave status\G
*************************** 1. row ***************************
Slave_IO_State: Waiting for master to send event
Master_Host: 192.168.17.177
Master_User: repl
Master_Port: 3306
Connect_Retry: 60
Master_Log_File: percona-bin.000011
Read_Master_Log_Pos: 540
Relay_Log_File: node78-relay-bin.000018
Relay_Log_Pos: 285
Relay_Master_Log_File: percona-bin.000011
Slave_IO_Running: Yes
Slave_SQL_Running: Yes
Replicate_Do_DB:
Replicate_Ignore_DB:
Replicate_Do_Table:
Replicate_Ignore_Table:
Replicate_Wild_Do_Table:
Replicate_Wild_Ignore_Table:
Last_Errno: 0
Last_Error:
Skip_Counter: 0
Exec_Master_Log_Pos: 540
Relay_Log_Space: 459
Until_Condition: None
Until_Log_File:
Until_Log_Pos: 0
Master_SSL_Allowed: No
Master_SSL_CA_File:
Master_SSL_CA_Path:
Master_SSL_Cert:
Master_SSL_Cipher:
Master_SSL_Key:
Seconds_Behind_Master: 0
Master_SSL_Verify_Server_Cert: No
Last_IO_Errno: 0
Last_IO_Error:
Last_SQL_Errno: 0
Last_SQL_Error:
Replicate_Ignore_Server_Ids:
Master_Server_Id: 773306
Master_UUID: 917ecbfc-10dc-11e4-b624-080027267b03
Master_Info_File: /data/mysql/percona_3306/data/master.info
SQL_Delay: 0
SQL_Remaining_Delay: NULL
Slave_SQL_Running_State: Slave has read all relay log; waiting for the slave I/O thread to update it
Master_Retry_Count: 86400
Master_Bind:
Last_IO_Error_Timestamp:
Last_SQL_Error_Timestamp:
Master_SSL_Crl:
Master_SSL_Crlpath:
Retrieved_Gtid_Set:
Executed_Gtid_Set:
Auto_Position: 0
7.测试
主库测试
数据库zlm的tb_zlm表中执行插入一行数据：
(testing)root@localhost [(none)]> select * from zlm.tb_zlm;
+------+-----------+
| id | name |
+------+-----------+
| 1 | aaron8219 |
| 2 | zlm |
| 3 | abc |
+------+-----------+
3 rows in set (0.00 sec)
(testing)root@localhost [(none)]> insert into zlm.tb_zlm values(4,'def');
Query OK, 1 row affected (0.03 sec)
从库查询zlm.tb_zlm表：
(testing)root@localhost [(none)]> select * from zlm.tb_zlm;
+------+-----------+
| id | name |
+------+-----------+
| 1 | aaron8219 |
| 2 | zlm |
| 3 | abc |
| 4 | def |
+------+-----------+
4 rows in set (0.00 sec)
从库上也进行同样