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MYSQL使用心得(二) 主从复制2014-05-12 iteye 85977328基本配置主数据库配置文件,修改server_id=1建立账户,供slave同步使用GRANT REPLICATION SLAVE ON *.* to "repl"@"192.168.56.3" identified by "repl";Mysql> show master status;+------------------+----------+--------------+------------------+| File | Position | Binlog_Do_DB | Binlog_Ignore_DB |+------------------+----------+--------------+------------------+| mysql-bin.000005 | 261 | | |+------------------+----------+--------------+------------------+记录下 FILE 及 Position 的值,在后面进行从服务器操作的时候需要用到。从数据库配置文件,修改server_id=2执行同步SQL语句,地址为主数据库地址,和主数据库上的用户名和密码change master tomaster_host="192.168.56.2",master_user="repl",master_password="repl",master_log_file="mysql-bin.000005",master_log_pos=261;正确执行后启动Slave同步进程start slave;主从同步检查mysql> show slave statusG==============================================*************************** 1. row *************************** Slave_IO_State: Waiting for master to send event Master_Host: 192.168.56.2 Master_User: test Master_Port: 3306 Connect_Retry: 60 Master_Log_File: mysql-bin.000008 Read_Master_Log_Pos: 258 Relay_Log_File: Slave2-relay-bin.000003 Relay_Log_Pos: 404 Relay_Master_Log_File: mysql-bin.000008 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: 258 Relay_Log_Space: 561 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: 0Master_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: 1==============================================其中Slave_IO_Running 与 Slave_SQL_Running 的值都必须为YES,才表明状态正常。