lvs+heartbeat 安装和配置
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配置环境:
主调度器A:192.168.8.131(eth0)
从调度器B:192.168.8.132(eth0)
真实服务器R1:192.168.8.133
真实服务器R2:192.168.8.135
虚拟IP(VIP):192.168.8.188
准备工作:调度器A和B的/etc/hosts内加入以下内容:以便解析
vi /etc/hosts
192.168.0.111 master
192.168.0.112 backup
配置主调度器A:
1.安装libnet-1.1.2.1.tar.gz
(1)tar –zxvf libnet-1.1.2.1.tar.gz
(2)cd libnet-1.1.2.1
(3)./configure
(4)make && make install
2.安装kernel-devel
(1)首先查看内核:uname –a
(2)然后在安装对应内核的kernel-devel
(3)将当前使用内核连接到/usr/src/linux
3.安装ipvsadm-1.24.tar.gz
(1)tar –zxvf ipvsadm-1.24.tar.gz
(2)cd ipvsadm-1.24
(3)make && make install
4.安装glib2-devel
5.安装Heartbeat-3-0-STABLE-3.0.2.tar.bz2
6.配置lvs启动脚本(采用lvs-DR模式)<!--more-->
#!/bin/sh
VIP1=192.168.8.86
RIP1=192.168.8.131
RIP2=192.168.8.132
RIP3=192.168.8.133
RIP4=192.168.8.134
RIP5=192.168.8.135
./etc/rc.d/init.d/functions
case "$1" in
start)
echo "start lvs of master"
/sbin/ifconfig eth0:0 $VIP1 broadcast $VIP1 netmask 255.255.255.255 up
/sbin/route add -host $VIP1 dev eth0:0
/sbin/ipvsadm -C
/sbin/ipvsadm -A -t $VIP1:80 -s lc
/sbin/ipvsadm -a -t $VIP1:80 -r $RIP1:80 -g
/sbin/ipvsadm -a -t $VIP1:80 -r $RIP2:80 -g
/sbin/ipvsadm -a -t $VIP1:80 -r $RIP3:80 -g
/sbin/ipvsadm -a -t $VIP1:80 -r $RIP4:80 -g
/sbin/ipvsadm -a -t $VIP1:80 -r $RIP5:80 -g
/sbin/ipvsadm
;;
stop)
echo "close lvs of master"
/sbin/ipvsadm -C
;;
*)
echo "Usage: $0 {start|stop}"
exit 1
esac
修改ha.cf文件
logfile /var/log/ha-log
keepalive 2
deadtime 30
warntime 10
initdead 60
udpport 694
bcast eth0:1
ucast eth0:1 192.168.8.88
auto_failback on
node master
node backup
ping 192.168.8.1
respawn root /usr/lib/heartbeat/ipfail
apiauth ipfail gid=root uid=root
修改haresources
vi /etc/ha.d/haresources
quxinyao 192.168.8.188 lvs ldirectord
修改ldirectord.cf文件
vi /etc/ha.d/ldirectord.cf
<1>设置真实服务器的超时时间 checktimeout=30
<2>监视真实服务器的时间间隔 checkinterval=10
<3>如全部真实服务器失败,则转发至本地 fallback=127.0.0.1:80
<4>改变配置文件内容,不需要重新ldirectord autoreload=yes
<5>指定日志位置 logfile="/var/log/ldirectord.log" quiescent=no
<6>指定虚拟IP virtual=192.168.8.188:80
<7>指定真实服务器IP及监听端口
real=192.168.8.131:80 gate
real=192.168.8.132:80 gate
real=192.168.8.133:80 gate
real=192.168.8.134:80 gate
real=192.168.8.135:80 gate
fallback=127.0.0.1:80 gate
service=http
<8>监听测试页面名称,这个页面放入真实服务器web服务的根目录
request="test.html"
<9>指定测试页面返回内容
receive="Test Page"
virtualhost=v.abc.cn
<10>指定转发算法
scheduler=lc //这里的算法要和LVS脚本的算法一样
protocol=tcp
修改 authkeys文件配置
vi /etc/ha.d/authkeys
auth 1
1 crc
realserver 脚本
vi /etc/init.d/relaserver
#!/bin/bash
#description : start realserver
VIP=192.168.8.188
/etc/rc.d/init.d/functions
case "$1" in
start)
echo " start LVS of REALServer"
/sbin/ifconfig lo:0 $VIP broadcast $VIP netmask 255.255.255.255 up
/sbin/route add -host $VIP dev lo:0
echo "1" >/proc/sys/net/ipv4/conf/lo/arp_ignore
echo "2" >/proc/sys/net/ipv4/conf/lo/arp_announce
echo "1" >/proc/sys/net/ipv4/conf/all/arp_ignore
echo "2" >/proc/sys/net/ipv4/conf/all/arp_announce
;;
stop)
/sbin/ifconfig lo:0 down
echo "close lvs directorserver"
echo "0" >/proc/sys/net/ipv4/conf/lo/arp_ignore
echo "0" >/proc/sys/net/ipv4/conf/lo/arp_announce
echo "0" >/proc/sys/net/ipv4/conf/all/arp_ignore
echo "0" >/proc/sys/net/ipv4/conf/all/arp_announce
;;
*)
echo "Usage: $0 {start|stop}"
exit 1
;;
esac
配置完成后启动启动服务
ipvsadm –ln查看服务器列表
主调度器A:192.168.8.131(eth0)
从调度器B:192.168.8.132(eth0)
真实服务器R1:192.168.8.133
真实服务器R2:192.168.8.135
虚拟IP(VIP):192.168.8.188
准备工作:调度器A和B的/etc/hosts内加入以下内容:以便解析
vi /etc/hosts
192.168.0.111 master
192.168.0.112 backup
配置主调度器A:
1.安装libnet-1.1.2.1.tar.gz
(1)tar –zxvf libnet-1.1.2.1.tar.gz
(2)cd libnet-1.1.2.1
(3)./configure
(4)make && make install
2.安装kernel-devel
(1)首先查看内核:uname –a
(2)然后在安装对应内核的kernel-devel
(3)将当前使用内核连接到/usr/src/linux
3.安装ipvsadm-1.24.tar.gz
(1)tar –zxvf ipvsadm-1.24.tar.gz
(2)cd ipvsadm-1.24
(3)make && make install
4.安装glib2-devel
5.安装Heartbeat-3-0-STABLE-3.0.2.tar.bz2
6.配置lvs启动脚本(采用lvs-DR模式)<!--more-->
#!/bin/sh
VIP1=192.168.8.86
RIP1=192.168.8.131
RIP2=192.168.8.132
RIP3=192.168.8.133
RIP4=192.168.8.134
RIP5=192.168.8.135
./etc/rc.d/init.d/functions
case "$1" in
start)
echo "start lvs of master"
/sbin/ifconfig eth0:0 $VIP1 broadcast $VIP1 netmask 255.255.255.255 up
/sbin/route add -host $VIP1 dev eth0:0
/sbin/ipvsadm -C
/sbin/ipvsadm -A -t $VIP1:80 -s lc
/sbin/ipvsadm -a -t $VIP1:80 -r $RIP1:80 -g
/sbin/ipvsadm -a -t $VIP1:80 -r $RIP2:80 -g
/sbin/ipvsadm -a -t $VIP1:80 -r $RIP3:80 -g
/sbin/ipvsadm -a -t $VIP1:80 -r $RIP4:80 -g
/sbin/ipvsadm -a -t $VIP1:80 -r $RIP5:80 -g
/sbin/ipvsadm
;;
stop)
echo "close lvs of master"
/sbin/ipvsadm -C
;;
*)
echo "Usage: $0 {start|stop}"
exit 1
esac
修改ha.cf文件
logfile /var/log/ha-log
keepalive 2
deadtime 30
warntime 10
initdead 60
udpport 694
bcast eth0:1
ucast eth0:1 192.168.8.88
auto_failback on
node master
node backup
ping 192.168.8.1
respawn root /usr/lib/heartbeat/ipfail
apiauth ipfail gid=root uid=root
修改haresources
vi /etc/ha.d/haresources
quxinyao 192.168.8.188 lvs ldirectord
修改ldirectord.cf文件
vi /etc/ha.d/ldirectord.cf
<1>设置真实服务器的超时时间 checktimeout=30
<2>监视真实服务器的时间间隔 checkinterval=10
<3>如全部真实服务器失败,则转发至本地 fallback=127.0.0.1:80
<4>改变配置文件内容,不需要重新ldirectord autoreload=yes
<5>指定日志位置 logfile="/var/log/ldirectord.log" quiescent=no
<6>指定虚拟IP virtual=192.168.8.188:80
<7>指定真实服务器IP及监听端口
real=192.168.8.131:80 gate
real=192.168.8.132:80 gate
real=192.168.8.133:80 gate
real=192.168.8.134:80 gate
real=192.168.8.135:80 gate
fallback=127.0.0.1:80 gate
service=http
<8>监听测试页面名称,这个页面放入真实服务器web服务的根目录
request="test.html"
<9>指定测试页面返回内容
receive="Test Page"
virtualhost=v.abc.cn
<10>指定转发算法
scheduler=lc //这里的算法要和LVS脚本的算法一样
protocol=tcp
修改 authkeys文件配置
vi /etc/ha.d/authkeys
auth 1
1 crc
realserver 脚本
vi /etc/init.d/relaserver
#!/bin/bash
#description : start realserver
VIP=192.168.8.188
/etc/rc.d/init.d/functions
case "$1" in
start)
echo " start LVS of REALServer"
/sbin/ifconfig lo:0 $VIP broadcast $VIP netmask 255.255.255.255 up
/sbin/route add -host $VIP dev lo:0
echo "1" >/proc/sys/net/ipv4/conf/lo/arp_ignore
echo "2" >/proc/sys/net/ipv4/conf/lo/arp_announce
echo "1" >/proc/sys/net/ipv4/conf/all/arp_ignore
echo "2" >/proc/sys/net/ipv4/conf/all/arp_announce
;;
stop)
/sbin/ifconfig lo:0 down
echo "close lvs directorserver"
echo "0" >/proc/sys/net/ipv4/conf/lo/arp_ignore
echo "0" >/proc/sys/net/ipv4/conf/lo/arp_announce
echo "0" >/proc/sys/net/ipv4/conf/all/arp_ignore
echo "0" >/proc/sys/net/ipv4/conf/all/arp_announce
;;
*)
echo "Usage: $0 {start|stop}"
exit 1
;;
esac
配置完成后启动启动服务
ipvsadm –ln查看服务器列表
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