LVS负载均衡技术精华篇

uikyhtr

网络环境  LVS-VIP  192.168.1.200
LVS-MASTER-192.168.1.228

LVS-SLAVE-192.168.1.229

LVS-MASTER-192.168.1.228

wgethttp://www.linuxvirtualserver.or ... ipvsadm-1.26.tar.gz

wget http://www.keepalived.org/software/keepalived-1.2.23.tar.gz
yum -yinstall libnl* popt* gcc wget vim openssh-clients

tar -zxvf ipvsadm-1.26.tar.gz

  cdipvsadm-1.26
  ln-s /usr/src/kernels/2.6.18-164.el5-i686/ /usr/src/linux
make && make install

pvsadm

  cd..
  tar-zxvf keepalived-1.2.23.tar.gz
  cdkeepalived-1.2.23
./configure --prefix=/usr/local/keepalived
  yuminstall openssh* -y
  yuminstall -y openssl*
./configure --prefix=/usr/local/keepalived
make && make install
  cp/usr/local/keepalived/etc/rc.d/init.d/keepalived /etc/rc.d/init.d/
  cp/usr/local/keepalived/etc/sysconfig/keepalived /etc/sysconfig/
mkdir /etc/keepalived
  cp/usr/local/keepalived/etc/keepalived/keepalived.conf  /etc/keepalived/
  cp/usr/local/keepalived/sbin/keepalived /usr/sbin
service keepalived start
chkconfig keepalived on
echo "1" > /proc/sys/net/ipv4/ip_forward

vim /etc/keepalived/keepalived.conf

service keepalived restart
  vim/etc/keepalived/keepalived.conf

##################################################################
! Configuration File for keepalived

global_defs {
  notification_email {
    acassen@firewall.loc
    failover@firewall.loc
    sysadmin@firewall.loc
   }
  notification_email_from 652168095@qq.com
  smtp_server 127.0.0.1
  smtp_connect_timeout 30
  router_id LVS_DEVEL_TEST_WEB
  vrrp_skip_check_adv_addr
  vrrp_strict
  vrrp_garp_interval 0
  vrrp_gna_interval 0
}

vrrp_instance VI_1 {
   state MASTER
   interface eth0
   virtual_router_id 55
   priority 100
   advert_int 1
   authentication {
       auth_type PASS
       auth_pass 1111
    }
   virtual_ipaddress {
       192.168.1.200
    }
}

#Manger server
virtual_server 192.168.1.200 80 {
   delay_loop 6
   lb_algo wrr
   lb_kind DR
   nat_mask 255.255.255.0
   persistence_timeout 50
   protocol TCP

   real_server 192.168.1.231 80 {
       weight 1
       TCP_CHECK {
           connect_timeout 3
           nb_get_retry 3
           delay_before_retry 3
       }
    }
   real_server 192.168.1.232 80 {
       weight 1
       TCP_CHECK {
           connect_timeout 3
           nb_get_retry 3
           delay_before_retry 3
       }
    }
}

##################################################################

service keepalived restart

ip addr

  servicekeepalived restart

LVS-SLAVE-192.168.1.229

wgethttp://www.linuxvirtualserver.or ... ipvsadm-1.26.tar.gz

wget http://www.keepalived.org/software/keepalived-1.2.23.tar.gz
  yum-y install libnl* popt*

tar -zxvf ipvsadm-1.26.tar.gz

  cdipvsadm-1.26
  ln-s /usr/src/kernels/2.6.18-164.el5-i686/ /usr/src/linux
make && make install

pvsadm

  cd..
  tar-zxvf keepalived-1.2.23.tar.gz
  cdkeepalived-1.2.23
./configure --prefix=/usr/local/keepalived
  yuminstall openssh* -y
  yuminstall -y openssl*
./configure --prefix=/usr/local/keepalived
make && make install
  cp/usr/local/keepalived/etc/rc.d/init.d/keepalived /etc/rc.d/init.d/
  cp/usr/local/keepalived/etc/sysconfig/keepalived /etc/sysconfig/
mkdir /etc/keepalived
  cp/usr/local/keepalived/etc/keepalived/keepalived.conf  /etc/keepalived/
  cp/usr/local/keepalived/sbin/keepalived /usr/sbin
service keepalived start
chkconfig keepalived on
echo "1" > /proc/sys/net/ipv4/ip_forward

vim /etc/keepalived/keepalived.conf

service keepalived restart
  vim/etc/keepalived/keepalived.conf

##################################################################

! Configuration File for keepalived

global_defs {
  notification_email {
    acassen@firewall.loc
    failover@firewall.loc
    sysadmin@firewall.loc
   }
  notification_email_from 652168095@qq.com
  smtp_server 127.0.0.1
  smtp_connect_timeout 30
  router_id LVS_DEVEL_TEST_WEB
  vrrp_skip_check_adv_addr
  vrrp_strict
  vrrp_garp_interval 0
  vrrp_gna_interval 0
}

vrrp_instance VI_1 {
   state SLAVE
   interface eth0
   virtual_router_id 55
   priority 99
   advert_int 1
   authentication {
       auth_type PASS
       auth_pass 1111
    }
   virtual_ipaddress {
      192.168.1.200
    }
}

#Manger server
virtual_server 192.168.1.200 80 {
   delay_loop 6
   lb_algo wrr
   lb_kind DR
   nat_mask 255.255.255.0
   persistence_timeout 50
   protocol TCP

   real_server 192.168.1.231 80 {
       weight 1
       TCP_CHECK {
           connect_timeout 3
           nb_get_retry 3
           delay_before_retry 3
       }
    }
   real_server 192.168.1.232 80 {
       weight 1
       TCP_CHECK {
           connect_timeout 3
           nb_get_retry 3
           delay_before_retry 3
       }
    }
}
##################################################################

service keepalived restart

ip addr

service keepalived restart