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发表于 2012-11-15 14:50 |只看该作者 |倒序浏览

各位大侠
   在虚拟环境初次使用lvs+keepalived。配置之后发现，工作不正常。

   VIP：192.168.75.253
   LVS1(master) 192.168.75.135
   LVS2(backup) 192.168.75.136
   RealServer    192.168.75.142 （目前只使用一个Real，应该可以吧？)

配置
主：
cat /etc/keepalived/keepalived.conf
global_defs {
router_id LVS_DEVEL_MASTER
}

vrrp_sync_group VGM {
   group {
         VI_1
   }
}

vrrp_instance VI_1 {
state MASTER
interface eth0
lvs_sync_daemon_inteface eth0
virtual_router_id 51
priority 100
advert_int 1
authentication {
      auth_type PASS
      auth_pass 1111
}
virtual_ipaddress {
      192.168.75.253
}
}

virtual_server 192.168.75.253 80 {
delay_loop 6
lb_algo rr
lb_kind DR
nat_mask 255.255.255.0
persistence_timeout 50
protocol TCP

real_server 192.168.75.142 80 {
      weight 100
      TCP_CHECK {
         connect_timeout 3
         nb_get_retry 3
         delay_before_retry 3
         connect_port 80
      }
}
}

备：
cat /etc/keepalived/keepalived.conf
global_defs {
router_id LVS_DEVEL_BACKUP
}

vrrp_sync_group VGM {
   group {
         VI_1
   }
}

vrrp_instance VI_1 {
state BACKUP
interface eth0
lvs_sync_daemon_inteface eth0
virtual_router_id 51
priority 80
advert_int 1
authentication {
      auth_type PASS
      auth_pass 1111
}
virtual_ipaddress {
      192.168.75.253
}
}

virtual_server 192.168.75.253 80 {
delay_loop 6
lb_algo rr
lb_kind DR
nat_mask 255.255.255.0
persistence_timeout 50
protocol TCP

real_server 192.168.75.142 80 {
      weight 1
      TCP_CHECK {
         connect_timeout 3
         nb_get_retry 3
         delay_before_retry 3
         connect_port 80
      }
}

}

查看keepalived安装是正常：
ps -ef | grep keep
root    20917    1  0 13:52 ?       00:00:00 keepalived -D
root    20918 20917  0 13:52 ?       00:00:00 keepalived -D
root    20919 20917  0 13:52 ?       00:00:00 keepalived -D
root    21396  2123  0 14:49 pts/0 00:00:00 grep keep

但是，执行
ipvsadm
IP Virtual Server version 1.2.1 (size=4096)
Prot LocalAddress

ort Scheduler Flags
-> RemoteAddress

ort Forward Weight ActiveConn InActConn
TCP 192.168.75.253:http rr persistent 50

后面什么都没有了，按理说应该有REal ip的呀。
请问是什么原因，谢谢！

文库|博客

split_two

稍有积蓄

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2楼 [报告]

发表于 2012-11-15 17:29 |只看该作者

你的real上启动脚本了吗？

实战分享：从技术角度谈机器学习入门| 【大话IT】RadonDB低门槛向MySQL集群下战书 | ChinaUnix打赏功能已上线！ | 新一代分布式关系型数据库RadonDB知多少？

hanool

白手起家

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3楼 [报告]

发表于 2012-11-16 11:49 |只看该作者

回复 2# split_two

启动了啊

#!/bin/bash

#description : start realserver

VIP=192.168.75.253

/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

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

实战分享：从技术角度谈机器学习入门| 【大话IT】RadonDB低门槛向MySQL集群下战书 | ChinaUnix打赏功能已上线！ | 新一代分布式关系型数据库RadonDB知多少？

hanool

白手起家

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4楼 [报告]

发表于 2012-11-16 15:37 |只看该作者

系统日志里面有
。。。
Nov 16 15:23:59 p-lvs-1 Keepalived_healthcheckers[15746]: Activating healthchecker for service [192.168.75.142]:80
Nov 16 15:24:00 p-lvs-1 Keepalived_vrrp[15747]: VRRP_Instance(VI_GW) Transition to MASTER STATE
Nov 16 15:24:00 p-lvs-1 Keepalived_healthcheckers[15746]: TCP connection to [192.168.75.142]:80 failed !!!
Nov 16 15:24:00 p-lvs-1 Keepalived_healthcheckers[15746]: Removing service [192.168.75.142]:80 from VS [192.168.75.253]:80
Nov 16 15:24:00 p-lvs-1 Keepalived_healthcheckers[15746]: Lost quorum 1-0=1 > 0 for VS [192.168.75.253]:80
。。。
是什么原因呢？