mysql 主从布置

master: 192.168.80.24

slave: 192.168.80.45

cat master.bash
#!/bin/bash
USER="root"
PASSWD="123456"
MYSQL=`which mysql`


#主服务器进行操作
#访问mysql,创建同步用户并授权
$MYSQL -u$USER -p$PASSWD << EOF
#insert into mysql.user(host,user,password) values("localhost","repl",password("repl"))
GRANT USAGE ON *.* TO 'repl'@'localhost' IDENTIFIED BY 'repl' WITH GRANT OPTION;
flush privileges
grant replication slave on *.* to 'repl'@'192.168.80.45' identified by 'repl'
EOF



#编辑配置文件/etc/my.cnf,在[mysqld]下插入下面两行
sed -i '/^[mysqld]$/alog-bin=mysql-bin
server-id=24' /etc/my.cnf


#重启主mysql服务
/etc/init.d/mysql restart

#登陆mysql查询主数据库的状态,记下File以及Position的值，在后面进行从服务器操作的时候分别作为参数 $1 、$2 使用
$MYSQL -u$USER -p$PASSWD << EOF
show master status
EOF




cat slave.bash
#!/bin/bash
USER="root"
PASSWD="123456"
MYSQL=`which mysql`

#readme
#Usage: bash slave.bash $1 $2


#从服务器进行操作
#编辑配置文件/etc/my.cnf,在[mysqld]下插入下面两行
sed -i '/^[mysqld]$/alog-bin=mysql-bin
server-id=45' /etc/my.cnf

#重启mysql服务
/etc/init.d/mysql restart

#登陆mysql，执行同步的sql语句,然后开启slave，再查看slave状态
$MYSQL -u$USER -p$PASSWD << EOF
change master to   master_host='192.168.80.24',master_user='repl',master_password='repl',master_log_file='$1',master_log_pos=$2
start slave
show slave statusG
EOF