服务 某个网站用lvs

讲一下LVS 与HEARTBEAT +LDIRECTORD

 

在服务的某个网站结构  lvs1 ------lvs2   运行着两个VIP 的服务

 

cat ha.cf

logfile /var/log/ha-log

#logfacility local0

keepalive 3

deadtime 9

warntime 10

initdead 120

udpport 694

bcast eth1

auto_failback on

node LVS1

node  LVS2

#hopfudge 1crm on

ping 121.121.121.121

#ping_group group1 10.10.10.1 10.10.10.2

#ping_group group1 172.16.64.133 172.16.64.132

respawn root /usr/local/lib/heartbeat/ipfail

apiauth ipfail gid=root uid=root

#crm on 

 

[root@LVS2 ha.d]# cat haresources

#LVS1 IPaddr::121.121.x.x lvsDR ldirectord

#LVS1 IPaddr::121.14.4.38/27/121.14.4.48 lvsDR ldirectord

LVS1 IPaddr::   lvsDR ldirectord

LVS1 IPaddr::VIP2      lvsDR ldirectord

 

ldirectord.cf

 

 cat ldirectord.cf

#!/bin/bash

# Global Directives

checktimeout=9

checkinterval=3

fallback=127.0.0.1:80

autoreload=yes

logfile="/var/log/ldirectord.log"

quiescent=no

emailalert="[e-mail]"

emailalertfreq=3600

emailalertstatus=all

# A sample virual with a fallback that will override the gobal setting

virtual=121.14.4.38:80

        #real=121.14.4.43:80  gate

        real=REAL1:80  [U3] 

        real=REAL2:80[U4] 

        fallback=127.0.0.1:80   [U5] 

        service=http

        request="ld_test.asp"

        receive="ok"

        scheduler=rr

        protocol=tcp

virtual=121.14.4.48:80

        #real=REAL_1:80  gate

        real=REAL_2:80  gate

        fallback=127.0.0.1:80   gate

        service=http

        request="ld_test.asp"

        receive="ok"

        scheduler=rr

        protocol=tcp

cat authkeys

auth 2

2 sha1 bnetbarhearbeat

 

 

 

 

LVS的脚本 ：

 cat /etc/init.d/lvsDR

#!/bin/sh
# description: start LVS   of  Directorserver
SQUID_VIP=1.1.2.2
WEB_VIP=1.1.1.2

SQUID_RIP1=1.1.1.4
SQUID_RIP2=1.1.2.3
WEB_RIP1=1.1.1.3
WEB_RIP2=1.1.1.4
GW=1.1.1.1
. /etc/rc.d/init.d/functions
case "$1" in
    start)
        echo " start LVS  of DirectorServer"
       # set the Virtual  IP Address
       /sbin/ifconfig eth0:0 $SQUID_VIP broadcast $SQUID_VIP netmask 255.255.255.255 up
       /sbin/route add -host $SQUID_VIP dev eth0:0
       /sbin/ifconfig eth0:1 $WEB_VIP broadcast $WEB_VIP netmask 255.255.255.255 up
       /sbin/route add -host $WEB_VIP dev eth0:1
       #Clear IPVS table
       /sbin/ipvsadm -C
       #set SQUID LVS
       /sbin/ipvsadm -A -t $SQUID_VIP:80 -s rr
       /sbin/ipvsadm -a -t $SQUID_VIP:80 -r $SQUID_RIP1:80 -g
       /sbin/ipvsadm -a -t $SQUID_VIP:80 -r $SQUID_RIP2:80 -g
       #set WEB LVS
       /sbin/ipvsadm -A -t $WEB_VIP:80 -s rr
       /sbin/ipvsadm -a -t $WEB_VIP:80 -r $WEB_RIP1:80 -g
       /sbin/ipvsadm -a -t $WEB_VIP:80 -r $WEB_RIP2:80 -g

       #Run LVS
       /sbin/ipvsadm
       #end

        ;;
    stop)
        echo "close LVS Directorserver"
        /sbin/ipvsadm -C
        ;;
    *)
        echo "Usage: $0 {start|stop}"
        exit 1
esac

 

 

总结， LVS+HEARTBEAT+LDIRECTORD

HA.CF

HARESOUCE

LDIRECTORD

脚本 lvsDR

一些相关加载的命令

 

---