mysql叢集之keepalived簡單搭建

標籤：keepalived mysql

1安裝必須的相關包

yum -y install  kernel-devel  openssl* popt popt-devel 

2下載安裝

wget http://www.keepalived.org/software/keepalived-1.2.9.tar.gz

tar  -xf keepalived-1.2.9.tar.gz 

mkdir /usr/local/keepalived 

cd ~/ keepalived-1.2.9

./configure  --prefix=/usr/local/keepalived/

make && make install

cp /usr/local/keepalived/sbin/keepalived  /usr/sbin/ 

cp /usr/local/keepalived/etc/sysconfig/keepalived  /etc/sysconfig

cp /usr/local/keepalived/etc/rc.d/init.d/keepalived  /etc/init.d/

chmod +x /etc/init.d/keepalived

mkdir /etc/keepalived

cp /usr/local/keepalived/etc/keepalived/keepalived.conf /etc/keepalived

3修改設定檔如下

[[email protected] ~]# vim /etc/keepalived/keepalived.conf

global_defs {

    notification_email {

 [email protected]

    }

    notification_email_from [email protected]

      smtp_server smtp.126.com   # 郵件伺服器地址  

    smtp_connect_timeout 30     # 連線逾時時間  

    router_id LVS_Master

}

vrrp_script chk_http_port {

    script  "/etc/keepalived/check_haproxy.sh"    # haproxy運行檢測指令碼[haproxy宕掉重啟haproxy服務]  

    interval        5                     # 指令碼執行間隔  

    weight         -5                    # 執行指令碼後優先順序變更：5表示優先順序+5;-5則表示優先順序-5

}

vrrp_instance VI_A {

    state MASTER                    # 主上此值為MASTER,從上為BACKUP 

    interface eth0

    virtual_router_id 50           # 此值主從必須一致

    priority 100

    advert_int 1

    authentication {                   # authentication兩個參數值,主從也必須一致  

        auth_type PASS

    auth_pass yiban

    }

track_script {

    chk_http_port

    }

    virtual_ipaddress {

          192.168.78.220

    }

}

5啟動keepalived

確保網路正常

service network restart (線上不要這麼做) 

/etc/init.d/keepalived start

查看結果

ip a

                     

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mysql叢集之keepalived簡單搭建