配置LVS+Keepalived

#tar xzvf keepalived-1.1.20.tar.gz

#cd keepalived-1.1.20

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

#make && make install

Keepalived configuration 
------------------------ 
Keepalived version : 1.1.20 
Compiler : gcc 
Compiler flags : -g -O2 
Extra Lib : -lpopt -lssl -lcrypto    
Use IPVS Framework : Yes 
IPVS sync daemon support : Yes 
Use VRRP Framework : Yes 
Use Debug flags : No 

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

 

 

#mkdir /etc/keepalived

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

 

 

#check --add keepalived

#check --level 2345 keepalived on

#vi /etc/keepalived/keepalived.conf

! Configuration File for keepalived 
global_defs { 
     notification_email { 
         #[email protected] 
         #[email protected] 
         #[email protected] 
            [email protected] 
     } 
#     notification_email_from [email protected] 
     notification_email_from localhost # 
     smtp_server 127.0.0.1 
     smtp_connect_timeout 30 
     #router_id LVS_DEVEL 
     router_id LVS_MASTER //从负载机器需要修改的地方，我改成LVS_BACKUP 
} 
vrrp_instance VI_1 { 
        state MASTER //从负载机器需要修改的地方，我改成BACKUP 
        interface eth0 
        virtual_router_id 51 
        priority 100 //从服务器需要修改的地方改成比100小的数字，改成99 
        advert_int 1 
        authentication { 
                auth_type PASS 
                auth_pass 1111 
        } 
        virtual_ipaddress { 
                #192.168.200.16 
                #192.168.200.17 
                #192.168.200.18 
                 172.17.94.18 
        } 
} 
#virtual_server 192.168.200.100 443 { 
virtual_server 172.17.94.18 80 { 
        delay_loop 6 
        lb_algo wrr 
        #lb_kind NAT 
        lb_kind DR 
        nat_mask 255.255.224.0 
        persistence_timeout 50 
        protocol TCP 
#     real_server 192.168.201.100 443 { 
         real_server 172.17.94.234 80 { 
                weight 1 
                TCP_CHECK { 
                connect_timeout 10 
                nb_get_retry 3 
                delay_before_retry 3 
                connect_port 80 
                } 
} 
         real_server 172.17.94.95 80 { 
                 weight 1 
                 TCP_CHECK { 
                    connect_timeout 10 
                    nb_get_retry 3 
                    delay_before_retry 3 
                    connect_port 80 
}                    
         
} 
}