沒有過多的，直接上碼

my.cnf

[mysql_multi]

mysqld = /usr/bin/mysqld_safe

mysqladmin = /usr/bin/mysqladmin

user = multi_admin

password = multi_pass

log = /var/log/mysqld_multi.log

[mysqld1]

socket = /var/lib/mysql/mysql.sock1

port = 3306

log-error = /var/log/mysqld1.log

pid-file = /var/run/mysqld/mysqld1.pid

datadir = /var/lib/mysql/data

user = mysql

＃master

log-bin = mysql-bin

server-id = 1

[mysqld2]

socket = /var/lib/mysql/mysql.sock2

port = 3307

log-error = /var/log/mysqld2.log

pid-file = /var/run/mysqld/mysqld2.pid

datadir = /var/lib/mysql/data2

user = mysql

＃slave

log-bin = mysql-bin

server-id = 2

---------- operate ----------------------------------------

#enter master mysql console ,mysqld1

#>mysql -uroot -p -S /var/lib/mysql/mysql.sock1

#>show master status\G

#>show master status;

#>grant replication slave, replication client on *.* to slave@'10.249.145.197' identified by 'password';

#>flush privileges;

#enter slave mysql console ,mysqld2

#>mysql -uroot -p -S /var/lib/mysql/mysql.sock2

#>show slave status\G

#>show slave status;

#>change master to master_host='192.168.10.107',

master_port=3306, master_user='slave', master_password='password', master_log_file='mysql-bin.000018', master_log_pos=107;

#>start slave;

#mysqld_multi opt

#>mysqld_multi [start|stop|report]

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