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天津市建设委员会网站,seo应该如何做,做网站需要什么条件,个人网站欣赏的网站目录一，作用二，调度器配置 1，安装keepalived 2， 安装ipvsadm 3， 配置keepalived 4. 查看lvs节点状态 5， web节点配置 1.1 调整ARP参数 1.2 配置虚拟IP地址 1.3添加回环路由 1.4安装nginx并写…

一，作用

二，调度器配置

1，安装keepalived

2，安装ipvsadm

3，配置keepalived

4. 查看lvs节点状态

5， web节点配置

1.1 调整ARP参数

1.2 配置虚拟IP地址

1.3添加回环路由

1.4安装nginx并写入文件

1.5 网站查看

6，断掉主测试备

一，作用

使用keepalived解决lvs的单点故障
高可用集群

二，调度器配置

1，安装keepalived

yum install -y keepalived

2，安装ipvsadm

yum install -y ipvsadm
modprobe ip_vs

lsmod |grep ip_vs

3，配置keepalived

主

! Configuration File for keepalived

global_defs {
router_id LVS_DEVEL1
}

vrrp_instance VI_1 {
state MASTER
interface ens33
virtual_router_id 51
priority 100
advert_int 1
authentication {
auth_type PASS
auth_pass 1111
}
virtual_ipaddress {
192.168.115.200
}
}

virtual_server 192.168.115.200 80 {
delay_loop 6
lb_algo rr
lb_kind DR
#persistence_timeout 50
protocol TCP

real_server 192.168.115.4 80 {
weight 1
HTTP_GET {
url {
path /
}
connect_timeout 3
nb_get_retry 3
delay_before_retry 3
}
}
real_server 192.168.115.5 80 {
weight 1
HTTP_GET {
url {
path /
}
connect_timeout 3
nb_get_retry 3
delay_before_retry 3
}
}
}

从

! Configuration File for keepalived

global_defs {
router_id LVS_DEVEL2
}

vrrp_instance VI_1 {
state BACKUP
interface ens33
virtual_router_id 51
priority 90
advert_int 1
authentication {
auth_type PASS
auth_pass 1111
}
virtual_ipaddress {
192.168.115.200
}
}

virtual_server 192.168.115.200 80 {
delay_loop 6
lb_algo rr
lb_kind DR
# persistence_timeout 50
protocol TCP

重启服务

4. 查看lvs节点状态

ipvsadm -ln

5， web节点配置

1.1 调整ARP参数

vim /etc/sysctl.conf

           net.ipv4.conf.all.arp_ignore=1
net.ipv4.conf.all.arp_announce=2
net.ipv4.conf.default.arp_ignore=1
net.ipv4.conf.default.arp_announce = 2
net.ipv4.conf.lo.arp_ignore = 1
net.ipv4.conf.lo.arp_announce=2
           sysctl -p