Keepalived+MariaDB10配置+雙主+高可用數(shù)據(jù)庫

Keepalived+MariaDB10配置雙主高可用數(shù)據(jù)庫

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 Keepalived+MariaDB10配置+雙主+高可用數(shù)據(jù)庫

OS

RS

子網(wǎng)掩碼

路由網(wǎng)關(guān)

Centos6.6

MariaDB10

Keepalived

 

Eth0:192.168.26.210

255.255.252.0

192.168.25.3

VIP:192.168.27.210

255.255.255.252


Centos6.6

MariaDB10

Keepalived

Eth0:192.168.26.211

255.255.252.0

192.168.25.3

VIP:192.168.27.210

255.255.255.255


Win7(client)

IP:192.168.26.70

255.255.252.0

192.168.25.3

 

在兩臺服務(wù)器上分別安裝MySQL:

yum -y install MariaDB (這里略)
 安裝完后配置雙主模型:

編輯配置文件26.210:vim /etc/my.cnf.d/server.cnf

在配置文件中加入以前幾個參數(shù)設(shè)置:

log-bin=mysql-bin

server-id       = 210

relay-log       =relay-bin

Keepalived+MariaDB10配置+雙主+高可用數(shù)據(jù)庫

 

編輯配置文件26.211:vim /etc/my.cnf.d/server.cnf

log-bin         =mysql-bin

server-id       = 211

relay-log       = relay-bin

 

Keepalived+MariaDB10配置+雙主+高可用數(shù)據(jù)庫

分別啟動兩臺服務(wù)器的MYSQL服務(wù):service mysql start

服務(wù)器設(shè)置雙主:

26.210:

mysql

grant replication slave ,replication client on *.* to 'jerry'@'192.168.%.%' identified by 'jerrypass';

change master to master_host='192.168.26.211',master_user='jerrymy',master_password='jerrypass',master_log_file='mysql-bin.000006',master_log_pos=558;

start slave;

show slave status\G;   #查看從狀態(tài)IO和SQL 運行狀態(tài)均為YES表示配置成功

26.211:

mysql

grant replication slave ,replication client on *.* to 'jerrymy'@'192.168.%.%' identified by 'jerrypass';

change master to master_host='192.168.26.210',master_user='jerry',master_password='jerrypass',master_log_file='mysql-bin.000007',master_log_pos=540;

start slave;
show slave status\G;    #查看從狀態(tài)IO和SQL 運行狀態(tài)均為YES表示配置成功

Keepalived+MariaDB10配置+雙主+高可用數(shù)據(jù)庫

    Keepalived+MariaDB10配置+雙主+高可用數(shù)據(jù)庫

  

Keepalived+MariaDB10配置+雙主+高可用數(shù)據(jù)庫

 

Keepalived+MariaDB10配置+雙主+高可用數(shù)據(jù)庫

 

Keepalived+MariaDB10配置+雙主+高可用數(shù)據(jù)庫

Keepalived+MariaDB10配置+雙主+高可用數(shù)據(jù)庫

Keepalived+MariaDB10配置+雙主+高可用數(shù)據(jù)庫

 

 

 

顯示狀態(tài)為成功,我們再創(chuàng)建數(shù)據(jù)庫來測試,看看雙主是否運行正常。

Keepalived+MariaDB10配置+雙主+高可用數(shù)據(jù)庫

 

Keepalived+MariaDB10配置+雙主+高可用數(shù)據(jù)庫

 

Keepalived+MariaDB10配置+雙主+高可用數(shù)據(jù)庫

雙主設(shè)置成功。

26.210:安裝Keepalived

Keepalived+MariaDB10配置+雙主+高可用數(shù)據(jù)庫

安裝報錯未安裝gcc

yum -y install gcc

Keepalived+MariaDB10配置+雙主+高可用數(shù)據(jù)庫

yum -y install openssl-devel

Keepalived+MariaDB10配置+雙主+高可用數(shù)據(jù)庫

 

安裝組件后編譯成功:

Keepalived+MariaDB10配置+雙主+高可用數(shù)據(jù)庫

 

Keepalived+MariaDB10配置+雙主+高可用數(shù)據(jù)庫

 Keepalived+MariaDB10配置+雙主+高可用數(shù)據(jù)庫

 

編輯配置文件:vim /etc/keepalived/keepalived.conf

Keepalived+MariaDB10配置+雙主+高可用數(shù)據(jù)庫

! Configuration File for keepalived global_defs {

   router_id mysql-ha

}

vrrp_instance VI_1 {

    state MASTER

    interface eth0

    virtual_router_id 20

    priority 100

    advert_int 1

    nopreempt

    authentication {

        auth_type PASS

        auth_pass 123456

    }

    virtual_ipaddress {

        192.168.27.210

    }

}

virtual_server 192.168.27.210 3306 {

    delay_loop 2

    lb_algo rr

    lb_kind DR

    persistence_timeout 60

    protocol TCP

    real_server 192.168.26.210  3306 {

        weight 1

        notify_down /etc/keepalived/mysql.sh

        TCP_CHECK {

connect_port 3306

connect_timeout 3

nb_get_retry 2

delay_before_retry 1

        }

    }

 

}

保存退出啟動Keepalived服務(wù)。

service keepalived start

 

26.211:安裝Keepalived。

Keepalived+MariaDB10配置+雙主+高可用數(shù)據(jù)庫

 

 

Keepalived+MariaDB10配置+雙主+高可用數(shù)據(jù)庫

編輯配置文件26.211: vim /etc/keepalived/keepalived.conf

 

Keepalived+MariaDB10配置+雙主+高可用數(shù)據(jù)庫

! Configuration File for keepalived global_defs {

   router_id mysql-ha

}

vrrp_instance VI_1 {

    state BACKUP

    interface eth0

    virtual_router_id 20

    priority 99

    advert_int 1

    nopreempt

    authentication {

        auth_type PASS

        auth_pass 123456

    }

    virtual_ipaddress {

        192.168.27.210

    }

}

virtual_server 192.168.27.210 3306 {

    delay_loop 2

    lb_algo rr

    lb_kind DR

    persistence_timeout 60

    protocol TCP

    real_server 192.168.26.211  3306 {

        weight 1

        notify_down /etc/keepalived/mysql.sh

        TCP_CHECK {

connect_port 3306

connect_timeout 3

nb_get_retry 2

delay_before_retry 1

        }

    }

 

}

保存退出啟動26.211上的Keepalived

service keepalived start

 

測試VIP是否可用:ping 192.168.27.210 -t

 

Keepalived+MariaDB10配置+雙主+高可用數(shù)據(jù)庫

 

 

回到26.210或211都可以 上,創(chuàng)建一個數(shù)據(jù)庫訪問測試用戶賬號密碼。

 

grant all on *.* to 'jerrytest'@'192.168.%.%' identified by 'jerrypass';

 

Keepalived+MariaDB10配置+雙主+高可用數(shù)據(jù)庫

 

 

 

 

下面通過 VIP訪問數(shù)據(jù)庫觀察訪問:

Keepalived+MariaDB10配置+雙主+高可用數(shù)據(jù)庫

 

 

Keepalived+MariaDB10配置+雙主+高可用數(shù)據(jù)庫

 

VIP在26.210這臺服務(wù)器上,因此我們訪問的26.210上的數(shù)據(jù)庫。

下面停掉26.210上的MYSQL觀察:

首先觀察VIP網(wǎng)絡(luò)出現(xiàn)波動后恢復。

Keepalived+MariaDB10配置+雙主+高可用數(shù)據(jù)庫

 

數(shù)據(jù)庫訪問成功:

Keepalived+MariaDB10配置+雙主+高可用數(shù)據(jù)庫

 

VIP已經(jīng)轉(zhuǎn)移動26.211服務(wù)器上了。

Keepalived+MariaDB10配置+雙主+高可用數(shù)據(jù)庫

 

我們再恢復26.210上的MYSQL數(shù)據(jù)庫服務(wù)觀察。Keepalived+MariaDB10配置+雙主+高可用數(shù)據(jù)庫

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