安装LVS+KEEPALIVED

来源：互联网发布：linux rm -rf 作死编辑：程序博客网时间：2024/05/17 21:51

1:yum -y install ipvsadm keepalived

2:在/etc/rc.local里添加

echo 1 > /proc/sys/net/ipv4/ip_forward

3:编辑/etc/keepalived/keepalived.conf

! Configuration File for keepalivedglobal_defs {   notification_email {   ops@58.com   }   notification_email_from Alexandre.Cassen@firewall.loc   smtp_server 192.168.200.1   smtp_connect_timeout 30   router_id LVS_DEVEL}vrrp_instance VI_1 {     //每个实例取一个好记的名字    state MASTER         //主配MASTER，备配BACKUP    interface eth1     virtual_router_id 200 //这个值主备要一样，但是不要和其他lvs冲突    priority 100         //主配100，备配80    advert_int 1    authentication {        auth_type PASS        auth_pass 111158    }    virtual_ipaddress {        211.151.111.4    }}virtual_server 211.151.111.4 80 {    delay_loop 6    lb_algo wrr    lb_kind DR    persistence_timeout 50    protocol TCP    real_server 10.4.11.24 80 {        weight 1        TCP_CHECK {        connect_timeout 3        nb_get_retry 3        delay_before_retry 3        connect_port 80        }    }    real_server 10.4.11.25 80 {        weight 1        TCP_CHECK {        connect_timeout 3        nb_get_retry 3        delay_before_retry 3        connect_port 80        }    }}

4：编辑/etc/sysconfig/keepalived

KEEPALIVED_OPTIONS="-D -S 2"

5：编辑/etc/logrotate.d/syslog，加一行

/var/log/keepalived.log

6：service keepalived restart

[编辑]RS安装

1：编辑/opt/script/lvs_dr.sh

#!/bin/shVIP=211.151.111.4  #这里填VS的VIP/etc/rc.d/init.d/functionscase "$1" instart)echo "Start LVS of RealServer"/sbin/ifconfig lo:0 $VIP broadcast $VIP netmask 255.255.255.255 upecho "1" >/proc/sys/net/ipv4/conf/lo/arp_ignoreecho "2" >/proc/sys/net/ipv4/conf/lo/arp_announceecho "1" >/proc/sys/net/ipv4/conf/all/arp_ignoreecho "2" >/proc/sys/net/ipv4/conf/all/arp_announce;;stop)/sbin/ifconfig lo:0 downecho "Stop LVS of RealServer"echo "0" >/proc/sys/net/ipv4/conf/lo/arp_ignoreecho "0" >/proc/sys/net/ipv4/conf/lo/arp_announceecho "0" >/proc/sys/net/ipv4/conf/all/arp_ignoreecho "0" >/proc/sys/net/ipv4/conf/all/arp_announce;;*)echo "Usage:$0{start|stop}"exit 1esac

2：设置权限，启动服务

chmod 777 /opt/script/lvs_dr.sh/opt/script/lvs_dr.sh start

3：编辑/etc/rc.local，添加一行

/opt/script/lvs_dr.sh start