gdrocket 发表于 2019-1-3 08:57:36

VMware上搭建lvs(DR)+keepalive (已解决)

  这个问题纠结了很久,现已解决,问题记录在:http://pmghong.blog.运维网.com/3221425/1201533
  

  最近在VMware上搭建lvs+keepalive,总是不成功,试了N多次,看了N多视频和资料,也换过不同版本的包,但结果还是那样,想请教高手帮忙看看到底是哪里出问题了。
  

  我总共开启了4台虚拟机(2台Director,2台Real Server),用真机当客户端,下面是我的IP分配
  IP分配
  192.168.30.105            DR(主)
  192.168.30.106            DR(从)
  192.168.30.113            RS1
  192.168.30.114            RS2
  192.168.30.254            VIP
  

  一、安装ipvsadm

  # yum install popt popt-devel popt-static openssl-devel kernel-devel libnl libnl-devel
  # tar xf ipvsadm-1.26.tar.gz
  # cd ipvsadm-1.26
  # make && make install
  # ipvsadm
  

  二、安装keepalive
  # tar xf keepalived-1.2.7.tar.gz
  # cd keepalived-1.2.7
  # ./configure --prefix=/usr/local/keepalive --with-kernel-dir=/usr/src/kernels/2.6.32-279.el6.x86_64/

  # cd /usr/local/keepalive/
  # make && make install
  

  # cd /usr/local/keepalive/
  # cp etc/rc.d/init.d/keepalived/etc/rc.d/init.d/
  # cp etc/sysconfig/keepalived /etc/sysconfig/
  # cp sbin/keepalived /usr/sbin/
  # cp etc/keepalived/keepalived.conf etc/keepalived/keepalived.conf.bk
  # 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 Alexandre.Cassen@firewall.loc
  smtp_server 128.0.0.1
  smtp_connect_timeout 30
  router_id LVS_DEVEL
  }
  

  vrrp_instance VI_1 {
  state MASTER
  interface eth0
  virtual_router_id 51
  priority 100
  advert_int 1
  authentication {
  auth_type PASS
  auth_pass 1111
  }
  virtual_ipaddress {
  192.168.30.254
  }
  }
  virtual_server 192.168.30.254 80 {
  delay_loop 6
  lb_algo wlc
  lb_kind DR
  nat_mask 255.255.255.0
  persistence_timeout 50
  protocol TCP
  

  real_server 192.168.30.113 80 {
  weight 1
  TCP_CHECK {
  connect_timeout 10
  nb_get_retry 3
  connect_port 80
  }
  }
  real_server 192.168.30.114 80 {
  weight 1
  TCP_CHECK {
  connect_timeout 10
  nb_get_retry 3
  connect_port 80
  }
  }
  }
  配置完成后,启动keepalive
# service keepalived start
Starting keepalived:                                       
  

  正常来说,到这里之后,查看lvs应该可以看到VIP在本机了,可是我的就是看不到:
  # ip addr show
  1: lo:mtu 16436 qdisc noqueue state UNKNOWN
  link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
  inet 127.0.0.1/8 scope host lo
  inet6 ::1/128 scope host
  valid_lft forever preferred_lft forever
  2: eth0:mtu 1500 qdisc pfifo_fast state UP qlen 1000
  link/ether 00:0c:29:5f:bb:08 brd ff:ff:ff:ff:ff:ff
      inet 192.168.30.105/24 brd 192.168.30.255 scope global eth0
  inet6 fe80::20c:29ff:fe5f:bb08/64 scope link
  valid_lft forever preferred_lft forever
  

  从上面输出信息看出VIP并不在本机上
  

  查看日志,似乎也没有报错
# tailf /var/log/messages
Mar4 00:59:46 server Keepalived_healthcheckers: Registering Kernel netlink command channel
Mar4 00:59:46 server Keepalived_vrrp: Netlink reflector reports IP 192.168.30.105 added
Mar4 00:59:46 server Keepalived_vrrp: Netlink reflector reports IP fe80::20c:29ff:fe5f:bb08 added
Mar4 00:59:46 server Keepalived_vrrp: Registering Kernel netlink reflector
Mar4 00:59:46 server Keepalived_vrrp: Registering Kernel netlink command channel
Mar4 00:59:46 server Keepalived_vrrp: Registering gratuitous ARP shared channel
Mar4 00:59:46 server Keepalived_vrrp: Configuration is using : 55324 Bytes
Mar4 00:59:46 server Keepalived_vrrp: Using LinkWatch kernel netlink reflector...
Mar4 00:59:46 server Keepalived_healthcheckers: Configuration is using : 3180 Bytes
Mar4 00:59:46 server Keepalived_healthcheckers: Using LinkWatch kernel netlink reflector...
  

  不知道什么原因,求高手指点迷津,万分感谢!



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