CentOS Mysql 5.1.73 主从配置

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1 修改my.cnf
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主数据库：

[mysqld]
datadir=/data/mysql
socket=/var/lib/mysql/mysql.sock
user=mysql
 
server-id = 163
log-bin=/home/data/mysql/mysql_bin.log
binlog_format=mixed
 
binlog-ignore-db=mysql
log-slave-updates
sync_binlog=1
replicate-do-db = aishang
replicate-ignore-db = mysql,information_schema

从数据库
[mysqld]
datadir=/data/mysql
socket=/var/lib/mysql/mysql.sock
user=mysql
 
server-id=164
master-host =192.168.1.181#似乎没用，抄的，保留吧，
master-user=mysync
master-pass=q----
master-port =3306
master-connect-retry=60
replicate-do-db =aishang
replicate-ignore-db=mysql

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2 service mysqld restart
主从都重启
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主数据库检查状态
mysql> show master status;                                                         
+------------------+----------+--------------+------------------+
| File             | Position | Binlog_Do_DB | Binlog_Ignore_DB |
+------------------+----------+--------------+------------------+
| mysql_bin.000001 | 16371666 |              | mysql            |
+------------------+----------+--------------+------------------+
1 row in set (0.00 sec)

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3 从数据库
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mysql> change master to master_host='192.168.1.181',master_user='mysync',master_password='-------',master_log_file='mysql_bin.000001' ,master_log_pos=16371666;
mysql> start slave;

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注意log-bin的配置必须写到[mysqld]下，否则，不起作用，我就被这个坑了。