医学教育网站建设方案,萝岗微信网站建设,医疗号网站开发,室内装饰设计学什么目录
1、环境准备
2、配置lvs服务启动脚本
1、在RS上分别配置服务启动脚本
2、在lvs director上配置服务启动脚本
3、客户端测试 配置LVS-DR模式主要注意的有 1、vip绑定在RS的lo接口#xff1b; 2、RS做arp抑制#xff1b;
1、环境准备
VIP192.168.95.10
RS1192.168…目录
1、环境准备
2、配置lvs服务启动脚本
1、在RS上分别配置服务启动脚本
2、在lvs director上配置服务启动脚本
3、客户端测试 配置LVS-DR模式主要注意的有 1、vip绑定在RS的lo接口 2、RS做arp抑制
1、环境准备
VIP192.168.95.10
RS1192.168.95.11
RS2192.168.95.12
网络接口ens33
在两台RS上分别准备web访问环境
cd /usr/share/nginx/html/
echo web test page,hostname -I. index.html
systemctl restart nginx2、配置lvs服务启动脚本
1、在RS上分别配置服务启动脚本
[rootnode3 ~]# vim /etc/init.d/lvs_rs
#!/bin/sh
#
# Startup script handle the initialisation of LVS
# chkconfig: - 28 72
# description: Initialise the Linux Virtual Server for DR
#
### BEGIN INIT INFO
# Provides: ipvsadm
# Required-Start: $local_fs $network $named
# Required-Stop: $local_fs $remote_fs $network
# Short-Description: Initialise the Linux Virtual Server
# Description: The Linux Virtual Server is a highly scalable and highly
# available server built on a cluster of real servers, with the load
# balancer running on Linux.
# description: start LVS of DR-RIP
LOCK/var/lock/ipvsadm.lock
VIP192.168.95.10
. /etc/rc.d/init.d/functions
start() {PIDifconfig | grep lo:10 | wc -lif [ $PID -ne 0 ];thenecho The LVS-DR-RIP Server is already running !else/sbin/ifconfig lo:10 $VIP netmask 255.255.255.255 broadcast $VIP up/sbin/route add -host $VIP dev lo:10echo 1 /proc/sys/net/ipv4/conf/lo/arp_ignoreecho 2 /proc/sys/net/ipv4/conf/lo/arp_announceecho 1 /proc/sys/net/ipv4/conf/ens33/arp_ignoreecho 2 /proc/sys/net/ipv4/conf/ens33/arp_announceecho 1 /proc/sys/net/ipv4/conf/all/arp_ignoreecho 2 /proc/sys/net/ipv4/conf/all/arp_announce/bin/touch $LOCKecho starting LVS-DR-RIP server is ok !fi
}stop() {/sbin/route del -host $VIP dev lo:10/sbin/ifconfig lo:10 down /dev/nullecho 0 /proc/sys/net/ipv4/conf/lo/arp_ignoreecho 0 /proc/sys/net/ipv4/conf/lo/arp_announceecho 0 /proc/sys/net/ipv4/conf/ens33/arp_ignoreecho 0 /proc/sys/net/ipv4/conf/ens33/arp_announceecho 0 /proc/sys/net/ipv4/conf/all/arp_ignoreecho 0 /proc/sys/net/ipv4/conf/all/arp_announcerm -rf $LOCKecho stopping LVS-DR-RIP server is ok !
}status() {if [ -e $LOCK ];thenecho The LVS-DR-RIP Server is already running !elseecho The LVS-DR-RIP Server is not running !fi
}case $1 instart)start;;stop)stop;;restart)stopstart;;status)status;;*)echo Usage: $1 {start|stop|restart|status}exit 1
esac
exit 0开启lvs_rs的自启动
chmod x /etc/init.d/lvs_rs
chkconfig --add lvs_rs
service lvs_rs start 将配置好的脚本发送给另一台web服务器并开启
scp /etc/init.d/lvs_rs 192.168.80.12:/etc/init.d/2、在lvs director上配置服务启动脚本
vim /etc/init.d/lvs_dr
# Provides: ipvsadm
# Required-Start: $local_fs $network $named
# Required-Stop: $local_fs $remote_fs $network
# Short-Description: Initialise the Linux Virtual Server
# Description: The Linux Virtual Server is a highly scalable and highly
# available server built on a cluster of real servers, with the load
# balancer running on Linux.
# description: start LVS of DR
LOCK/var/lock/ipvsadm.lock
VIP192.168.95.10
RIP1192.168.95.11
RIP2192.168.95.12
DipNameens33. /etc/rc.d/init.d/functions
start() {PIDipvsadm -Ln | grep ${VIP} | wc -lif [ $PID -gt 0 ];thenecho The LVS-DR Server is already running !else#Set the Virtual IP Address/sbin/ifconfig ${DipName}:10 $VIP broadcast $VIP netmask 255.255.255.255 up/sbin/route add -host $VIP dev ${DipName}:10#Clear IPVS Table/sbin/ipvsadm -C#Set Lvs/sbin/ipvsadm -At $VIP:80 -s wrr/sbin/ipvsadm -at $VIP:80 -r $RIP1:80 -g -w 2/sbin/ipvsadm -at $VIP:80 -r $RIP2:80 -g -w 1/bin/touch $LOCK#Run Lvsecho starting LVS-DR Server is ok ! fi
}stop() {#clear Lvs and vip /sbin/ipvsadm -C/sbin/route del -host $VIP dev ${DipName}:10/sbin/ifconfig ${DipName}:10 down /dev/nullrm -rf $LOCKecho stopping LVS-DR server is ok !
}status() {if [ -e $LOCK ];thenecho The LVS-DR Server is already running !elseecho The LVS-DR Server is not running !fi
}case $1 instart)start;;stop)stop;;restart)stopstart;;status)status;;*)echo Usage: $1 {start|stop|restart|status}exit 1
esac
exit 0开启lvs_rs的自启动
chmod x /etc/init.d/lvs_dr
chkconfig --add lvs_dr
service lvs_rs start 相关参数及说明
ipvsadm –help
-A 添加虚拟服务器
-t 设置群集地址VIPVirtual IP
-s 指定负载调度算法
-a 添加真实服务器
-d 删除真实服务器
-r 指定真实服务器Real Server的地址
-m 使用NAT模式-g、-i分别对应DR、TUN模式
-w 为节点服务器设置权重默认为13、客户端测试
for ((i1;i6;i)); do curl 192.168.95.10; done
