mysql服务搭建+主从复制
配置yum
cd /etc/yum.repos.d/ && mkdir yum && mv *.repo yum && cp yum/CentOS-Media.repo . && vim CentOS-Media.repo
关闭防火墙 + selinux
service iptables stop && chkconfig iptables off && setenforce 0
所需要的软件（主从复制+读写分离）
cp cmake-2.8.6.tar.gz
mysql-5.5.22.tar.gz
amoeba-mysql-binary-2.2.0.tar.gz
jdk-6u14-linux-x64.bin /root
在master（主） slave1（从1） slave2（从2） 上安装mysql数据库
安装准备
yum install -y ncurses-devel
解压安装cmake
tar -zxf cmake-2.8.6.tar.gz && tar -zxf mysql-5.5.22.tar.gz
cd cmake-2.8.6 && ls && ./configure
gmake && gmake install
编译安装mysql-5.5.22.tar.gz
tar -zxf mysql-5.5.22.tar.gz && cd mysql-5.5.22
cmake -DCMAKE_INSTALL_PREFIX=/usr/local/mysql -DDEFAULT_CHARSET=utf8 -DDEFAULT_COLLATION=utf8_general_ci -DWITH_EXTRA_CHARSETS=all -DSYSCONFDIR=/etc && make && make install
建立配置文件
[root@CentOS6-node1 mysql-5.5.22]# cp support-files/my-medium.cnf /etc/my.cnf
[root@CentOS6-node1 mysql-5.5.22]# cp support-files/mysql.server /etc/rc.d/init.d/mysqld
chmod +x /etc/rc.d/init.d/mysqld
[root@CentOS6-node1 mysql-5.5.22]# chkconfig --add mysqld
[root@CentOS6-node1 mysql-5.5.22]# chkconfig --list mysqld
mysqld 0:关闭1:关闭2:启用3:启用4:启用5:启用6:关闭
[root@CentOS6-node1 mysql-5.5.22]# echo "PATH=$PATH:/usr/local/mysql/bin" >> /etc/profile
[root@CentOS6-node1 mysql-5.5.22]# . /etc/profile
[root@CentOS6-node1 mysql-5.5.22]# groupadd mysql && useradd -M -s /sbin/nologin mysql -g mysql
[root@CentOS6-node1 mysql-5.5.22]# chown -R mysql:mysql /usr/local/mysql/ && ls -l /usr/local/mysql/
/usr/local/mysql/scripts/mysql_install_db --basedir=/usr/local/mysql --datadir=/usr/local/mysql/data --user=mysql
[root@CentOS6-node1 mysql-5.5.22]# service mysqld start
Starting MySQL.. [确定]
[root@CentOS6-node1 mysql-5.5.22]# chkconfig mysqld on
[root@CentOS6-node1 mysql-5.5.22]# mysqladmin -u root password '666666'
[root@CentOS6-node1 mysql-5.5.22]# mysql -u root -p
Enter password:
mysql> show databases;
+--------------------+
| Database |
+--------------------+
| information_schema |
| mysql |
| performance_schema |
| test |
+--------------------+
4 rows in set (0.00 sec)
2.配置mysql master 服务器
vim /etc/my.cnf
57 server-id = 11 修改
49 log-bin=master-bin 修改
50 log-slave-updates=true 添加
[root@CentOS6-node1 ~]# service mysqld restart
Shutting down MySQL. [确定]
Starting MySQL.. [确定]
mysql -u root -p
mysql> GRANT REPLICATION SLAVE ON *.* TO 'myslave'@'192.168.236.%' IDENTIFIED BY '666666';
mysql> FLUSH PRIVILEGES;
Query OK, 0 rows affected (0.00 sec)
mysql> show master status;
+-------------------+----------+--------------+------------------+
| File | Position | Binlog_Do_DB | Binlog_Ignore_DB |
+-------------------+----------+--------------+------------------+
| master-bin.000001 | 339 | | |
+-------------------+----------+--------------+------------------+
1 row in set (0.00 sec)
配置从服务器 （server-id 不能与主服务器相同）
vim /etc/my.cnf
57 server-id = 22
58 relay-log=relay-log-bin
59 relay-log-index=slave-relay-bin.index
[root@CentOS6-node1 ~]# service mysqld restart
Shutting down MySQL. [确定]
Starting MySQL.. [确定]
mysql -u root -p
mysql> change master to master_host='192.168.236.111',master_user='myslave',master_password='666666',master_log_file='master-bin.000001',master_log_pos=339;
mysql> start slave;
Query OK, 0 rows affected (0.00 sec)
mysql> show slave status\G;
*************************** 1. row ***************************
Slave_IO_State: Waiting for master to send event
Master_Host: 192.168.236.111
Master_User: myslave
Master_Port: 3306
Connect_Retry: 60
Master_Log_File: master-bin.000001
Read_Master_Log_Pos: 339
Relay_Log_File: relay-log-bin.000002
Relay_Log_Pos: 254
Relay_Master_Log_File: master-bin.000001
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: 339
Relay_Log_Space: 408
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: 0
Master_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: 11
1 row in set (0.00 sec)
ERROR:
No query specified
（1）验证主从复制的效果
1.mysql -u root -p
show databases;
所看到的库都是相同的
2.在主服务器上新建个库
mysql> create database db_test;
Query OK, 1 row affected (0.00 sec)
然后从服务器上查看 结果一样
成功！！！！
mysql> show databases;
+--------------------+
| Database |
+--------------------+
| information_schema |
| mysql |
| performance_schema |
| test |
+--------------------+
4 rows in set (0.00 sec)
mysql> show databases;
+--------------------+
| Database |
+--------------------+
| information_schema |
| db_test |
| mysql |
| performance_schema |
| test |
+--------------------+
5 rows in set (0.00 sec)
本文出自 “浅笑习惯囿你” 博客，谢绝转载！