images\cherry_red.png1 实训二前期LNMP简易架构
      images\cherry_blue.png1.1 php server安装
      images\cherry_blue.png1.2 安装初始化数据库
   images\cherry_red.png2 Mysql数据库
      images\cherry_blue.png2.1 Mysql5.7安装
         images\cherry_orange.png2.1.1 rpm安装
         images\cherry_orange.png2.1.2 yum安装
         images\cherry_orange.png2.1.3 源码安装
         images\cherry_orange.png2.1.4 编译好的非rpm包安装
         images\cherry_orange.png2.1.5 my.cnf常见选项
      images\cherry_blue.png2.2 Mysql基础
         images\cherry_orange.png2.2.1 MySql数据库操作
         images\cherry_orange.png2.2.2 MySql数据类型
            images\cherry_cyan.png2.2.2.1 整型
            images\cherry_cyan.png2.2.2.2 浮点数和定数
            images\cherry_cyan.png2.2.2.3 字符串类型
            images\cherry_cyan.png2.2.2.4 日期和时间类型
            images\cherry_cyan.png2.2.2.5 字段修饰和约束
            images\cherry_cyan.png2.2.2.6 业务建表练习
         images\cherry_orange.png2.2.3 MySql表操作
         images\cherry_orange.png2.2.4 MySql体系结构
         images\cherry_orange.png2.2.5 MySql存储引擎
      images\cherry_blue.png2.3 MySql操作
         images\cherry_orange.png2.3.1 MySql数据操作
         images\cherry_orange.png2.3.2 MySql单表查询
         images\cherry_orange.png2.3.3 MySql多表查询
         images\cherry_orange.png2.3.4 MySql存储过程与函数
      images\cherry_blue.png2.4 MySql操作-2
         images\cherry_orange.png2.4.1 MySql安全机制
         images\cherry_orange.png2.4.2 MySql日志管理
         images\cherry_orange.png2.4.3 MySql复制概述
         images\cherry_orange.png2.4.4 主从同步
      images\cherry_blue.png2.5 最基本sql语句及主从架构
      images\cherry_blue.png2.6 MyCat中间件
         images\cherry_orange.png2.6.1 部署Mycat
         images\cherry_orange.png2.6.2 配置读写分离
            images\cherry_cyan.png2.6.2.1 安全的读写分离
         images\cherry_orange.png2.6.3 XML语法格式
         images\cherry_orange.png2.6.4 mycat 分表分库
      images\cherry_blue.png2.7 Mysql MHA
         images\cherry_orange.png2.7.1 MHA-部署
         images\cherry_orange.png2.7.2 MHA-故障切换VIP透明
            images\cherry_cyan.png2.7.2.1 VIP切换脚本内容
            images\cherry_cyan.png2.7.2.2 VIP-手动在线切换脚本
         images\cherry_orange.png2.7.3 MHA+Mycat高可用Mysql读写分离
         images\cherry_orange.png2.7.4 MHA+VIP+Mycat
         images\cherry_orange.png2.7.5 MHA-故障切换邮件报警
         images\cherry_orange.png2.7.6 自动配置Slave主机
   images\cherry_red.png3 实验
      images\cherry_blue.png3.1 mysql授权问题
      images\cherry_blue.png3.2 1.单节点数据库
      images\cherry_blue.png3.3 2.主从同步
      images\cherry_blue.png3.4 3.实验(高可用)
         images\cherry_orange.png3.4.1 高可用keepalived
            images\cherry_cyan.png3.4.1.1 keepalived install
      images\cherry_blue.png3.5 4.实验(高可用+大并发)
         images\cherry_orange.png3.5.1 HAproxy代理
      images\cherry_blue.png3.6 4.实验(mycat-读写分离)
         images\cherry_orange.png3.6.1 mycat安装部署
         images\cherry_orange.png3.6.2 读写分离高可用
         images\cherry_orange.png3.6.3 mycat管理端口命令
      images\cherry_blue.png3.7 5.双主双从-读写分离-高可用
      images\cherry_blue.png3.8 6.mycat分库操作
      images\cherry_blue.png3.9 7.mycat分表
      images\cherry_blue.png3.10 8.mycat分库分表之下实现读写分离
   images\cherry_red.png4 Shell脚本编程
   images\cherry_red.png5 Zabbix监控
      images\cherry_blue.png5.1 zabbix设置邮件报警--自定义报警媒介
      images\cherry_blue.png5.2 zabbix解决中文界面乱码问题
      images\cherry_blue.png5.3 ziabbix自带的template Linux OS
      images\cherry_blue.png5.4 zabbix-agent自定义收集数据
      images\cherry_blue.png5.5 zabbix监控Nginx性能
      images\cherry_blue.png5.6 综合配置
      images\cherry_blue.png5.7 实验:监控nginx端口实现告警
   images\cherry_red.png6 ELK日志分析
      images\cherry_blue.png6.1 PS
      images\cherry_blue.png6.2 es-head插件安装
      images\cherry_blue.png6.3 安装filebeat nginx日志模板

images\65-1.png


在实验7基础之上 单独针对dn2节点实现读写分离


1.获取一台新的mysql服务器资源153 dn4


2.实现 dn2为主 dn4为从
>备份dn2服务器上的所有数据(t1 t2 t8)
# mysqldump -uroot -pUplooking_123 -B -A > /tmp/dn2.sql
# scp /tmp/dn2.sql 192.168.182.153:/tmp/


>配置dn2 my.cnf 配置文件
skip-name-resolve
query_cache_type=OFF
server-id=2
log_bin=/var/lib/mysql/master-bin
binlog-ignore-db=performance_schema
binlog-ignore-db=mysql
binlog-ignore-db=sys
lower_case_table_names=1

>在dn2服务器上授权用于同步的用户
mysql > grant replication slave on *.* to 'sync'@'192.168.182.%' identified by "Uplooking_123";
mysql > flush privileges;

>锁定数据库dn2 mysql> flush tables with read lock;

>配置 dn4 my.cnf配置文件
skip-name-resolve
query_cache_type=OFF
server-id=4
relay-log=/var/lib/mysql/relay-log
lower_case_table_names=1


>在dn4服务器快速配置从 连接主

# mysql -uroot -pUplooking_123 < /tmp/dn2.sql
# mysql -uroot -pUplooking_123
mysql> change master to master_host="192.168.182.151",master_user='sync',master_password="Uplooking_123",master_log_file="master-bin.000001",master_log_pos=9892047;
Query OK, 0 rows affected, 2 warnings (0.03 sec)

mysql> start slave;
Query OK, 0 rows affected (0.00 sec)

mysql> show slave status\G

>解锁 dn2 恢复业务 mysql> unlock tables;


> 授权用于mycat 操作的账号
mysql> grant all on *.* to 'dn4'@'192.168.182.%' identified by 'Uplooking_123';
Query OK, 0 rows affected, 1 warning (0.00 sec)

mysql> flush privileges;
Query OK, 0 rows affected (0.00 sec)


+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

3.配置mycat 实现读写分离
# vi /usr/local/mycat/conf/schema.xml

<!--更dn2 对应的dataHost配置 实现读写分离-->
<dataHost name="host2" maxCon="1000" minCon="10" balance="3"
writeType="0" dbType="mysql" dbDriver="native" switchType="-1" slaveThreshold="100">
<heartbeat>select user()</heartbeat>
<writeHost host="hostM2" url="192.168.182.151:3306" user="dn2"
password="Uplooking_123">
<readHost host="hostS1" url="192.168.182.153:3306" user="dn4" password="Uplooking_123" />
</writeHost>
</dataHost>





在当前有限的基础架构上 进一步配置读写分离的高可用模型

<dataHost name="host2" maxCon="1000" minCon="10" balance="3"
writeType="0" dbType="mysql" dbDriver="native" switchType="1" slaveThreshold="100">
<heartbeat>select user()</heartbeat>
<writeHost host="hostM2" url="192.168.182.151:3306" user="dn2"
password="Uplooking_123">
<readHost host="hostS1" url="192.168.182.153:3306" user="dn4" password="Uplooking_123" />
</writeHost>

<writeHost host="hostM2" url="192.168.182.153:3306" user="dn2"
password="Uplooking_123">
<readHost host="hostS1" url="192.168.182.153:3306" user="dn4" password="Uplooking_123" />
</writeHost>

</dataHost>