mysql + keepalived 安裝配置

abin1703發表於2016-04-25
注意:keepalived在每一臺的伺服器上都需要安裝


環境介紹:


master_mysql: 10.20.20.51
slave_mysql : 10.20.20.61
virtual_ip :  10.20.20.201

注意:關閉防火牆、selinux
一、安裝keepalived


下載地址:
1、

3、安裝C編譯器
yum install popt-devel openssl-devel popt-devel 
yum install gcc gcc-c++ autoconf automake

4、編譯安裝
[root@node1 ~]# tar zxvf keepalived-1.2.13.tar.gz
[root@node1 keepalived-1.2.13]# cd keepalived-1.2.13
[root@node1 keepalived-1.2.13]# ./configure --prefix=/usr/local/keepalived --disable-fwmark
[root@node1 keepalived-1.2.13]# make
[root@node1 keepalived-1.2.13]# make install
[root@node1 keepalived-1.2.13]# cp /usr/local/keepalived/sbin/keepalived /usr/sbin/
[root@node1 keepalived-1.2.13]# cp /usr/local/keepalived/etc/sysconfig/keepalived /etc/sysconfig/
[root@node1 keepalived-1.2.13]# cp /usr/local/keepalived/etc/rc.d/init.d/keepalived /etc/init.d/
[root@node1 keepalived-1.2.13]# cd /etc/init.d/
[root@node1 init.d]# chkconfig --add keepalived
[root@node1 init.d]# chkconfig keepalived on
[root@node1 init.d]# mkdir -p /etc/keepalived

5、配置keepalived檔案
1)主庫的keepalived配置檔案
vim /etc/keepalived/keepalived.conf
global_defs {


router_id Hadb_1


}


vrrp_sync_group VGM {


group {


VI_HA


}


}


vrrp_script chk_mysql {




script "

interval 1


}


# vvrp_instance define #


vrrp_instance VI_HA {


state MASTER


interface eth0


virtual_router_id 54


priority 100


advert_int 1


authentication {


auth_type PASS


auth_pass hamysql


}


virtual_ipaddress {


10.20.20.201


}


track_script {


chk_mysql


}


}


2)從庫的keepalived的配置檔案
vim /etc/keepalived/keepalived.conf


global_defs {


router_id Hadb_1


}


vrrp_sync_group VGM {


group {


VI_HA


}


}


vrrp_script chk_mysql {




script "

interval 1


}


# vvrp_instance define #


vrrp_instance VI_HA {


state BACKUP


interface eth0


virtual_router_id 54


priority 50


advert_int 1


authentication {


auth_type PASS


auth_pass hamysql


}


virtual_ipaddress {


10.20.20.201


}


track_script {


chk_mysql


}


}
6、啟動keepalived服務
service keepalived start



二、配置mysql的AB複製(互相的AB複製)




1、1.主庫配置(master伺服器)


 #vi /etc/my.cnf
       [mysqld]
       log-bin=mysql-bin   //[必須]啟用二進位制日誌
       server-id=51       //[必須]伺服器唯一ID,預設是1,一般取IP最後一段


2.修改從伺服器slave:


   #vi /etc/my.cnf
       [mysqld]
       log-bin=mysql-bin   //[必須]啟用二進位制日誌
       server-id=61       //[必須]伺服器唯一ID,預設是1,一般取IP最後一段
3、重啟兩臺伺服器的mysql
/etc/init.d/mysql restart


4、在主伺服器上建立帳戶並授權slave:
10.20.20.51:
mysql>GRANT REPLICATION SLAVE ON *.* to 'repler'@'%' identified by '123.com';


10.20.20.61:
mysql>GRANT REPLICATION SLAVE ON *.* to 'repler'@'%' identified by '123.com';




5、登入主伺服器的mysql,查詢master的狀態
mysql>show master status;
   +------------------+----------+--------------+------------------+
   | File             | Position | Binlog_Do_DB | Binlog_Ignore_DB |
   +------------------+----------+--------------+------------------+
   | mysql-bin.000004 |      308 |              |                  |
   +------------------+----------+--------------+------------------+
   
 6、配置從伺服器Slave:
10.20.20.61: 
 mysql>change master to master_host='10.20.20.51',master_user='repler',master_password='123.com',
         master_log_file='mysql-bin.000004',master_log_pos=308;  
   
 10.20.20.51:   
  mysql>change master to master_host='10.20.20.61',master_user='repler',master_password='123.com',
         master_log_file='mysql-bin.000004',master_log_pos=308;    
 7、啟動從伺服器複製功能  
  mysql>start slave;   
   
  8、檢查從伺服器複製功能狀態:
   mysql> show slave status\G 




來自 “ ITPUB部落格 ” ,連結:http://blog.itpub.net/30345407/viewspace-2088053/,如需轉載,請註明出處,否則將追究法律責任。

相關文章