Master-slave hot standby (automatic synchronization) configuration of MySQL 5.5 under Linux

 
 
Environment Description:
 
Master:192.168.1.200
Slave:192.168.1.132

 

 
 
MySQL Master configuration:
 
Configure my.cnf:

 

 
# vi /etc/my.cnf

 

 
 
[mysqld]
datadir = / var / lib / mysql
socket=/var/lib/mysql/mysql.sock
user=mysql
# Disabling symbolic-links is recommended to prevent assorted security risks
symbolic-links=0
 
server-id=200
log-bin=mysql-bin
relay-log=relay-bin
relay-log-index=relay-bin-index

 

 
 
*After configuration, restart the MySQL service of the Master! ! !

 

 
service mysqld restart

 

 
 
//--------------------------------------------------
 
MySQL Slave configuration:
 
Configure my.cnf:

 

 
# vi /etc/my.cnf

 

 
 
[mysqld]
datadir = / var / lib / mysql
socket=/var/lib/mysql/mysql.sock
user=mysql
# Disabling symbolic-links is recommended to prevent assorted security risks
symbolic-links=0
 
 
server-id=132
log-bin=mysql-bin
replicate-do-db=test
log-slave-updates=1

 

 
 
 
*After configuration, restart Slave's MySQL service! ! !

 

 
service mysqld restart

 

 
//--------------------------------------------------
 
 
Log in to the slave and execute the following command:

 

 
mysql> stop slave;
 
mysql> change master to master_host='192.168.1.200',master_user='root',master_password='123456';
 
mysql> start slave;
 
mysql> show slave status\G;

 

 
查看这两项是否为YES,yes为正常。
Slave_IO_Running: Yes
Slave_SQL_Running: Yes

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