利用LVS+Keepalived 实现高性能高可用负载均衡服务器

z0800

这可是线上运行的东西，拿出来和大家分享，希望能帮助大家解决比较简单的负载均衡问题。
如果发现有什么问题，希望大家多多发言：）
linuxtone 发表于 2008-10-27 18:10

哈哈，LVS+Keepalive并非简单的负载均衡啊。俺觉得他的功能很强大。

fireskyno1

太好啦！好东西，楼主顶顶。。

ljb-2000

好咯！回去实践一下！

bian_yuan45

很好的实践资料，理论也讲得很好，谢谢！

gangzi

支持！～支持！～支持！～支持！～支持！～支持！～支持！～支持！～支持！～支持！～支持！～支持！～支持！～支持！～

hjrnet

东西我觉得很不错，我也在这里学习的，不过我现在碰到一个问题，以上设置好了，但防火墙要怎么设置呢？要打开哪些端口呢？ 1# NetSeek

jackshan

很好很强大，也来学习学习

nuud1026

不错，收下啦，谢谢！

thinkpad

不错....适合创业型服务iq...

wangpeng1381

多谢分享。

yong

thank

unix2000

支持下～～～～～～～～～～

tenglong

马上按照试验做下，有问题在请教各位

linuxking

Aug 18 10:54:22 localhost root: ./dr1.sh called with start
Aug 18 10:54:22 localhost avahi-daemon[2530]: Registering new address record for 192.168.0.7 on eth0.
Aug 18 10:54:22 localhost avahi-daemon[2530]: Withdrawing address record for 192.168.0.7 on eth0.
Aug 18 10:54:22 localhost avahi-daemon[2530]: Registering new address record for 192.168.0.7 on eth0.
Aug 18 10:54:22 localhost avahi-daemon[2530]: Withdrawing address record for 192.168.0.7 on eth0.
Aug 18 10:54:22 localhost avahi-daemon[2530]: Registering new address record for 192.168.0.7 on eth0.
Aug 18 10:54:55 localhost Keepalived: Starting Keepalived v1.1.15 (08/17,2009)
Aug 18 10:54:55 localhost Keepalived_healthcheckers: Using MII-BMSR NIC polling thread...
Aug 18 10:54:55 localhost Keepalived_healthcheckers: Netlink reflector reports IP 192.168.122.1 added
Aug 18 10:54:55 localhost Keepalived_healthcheckers: Netlink reflector reports IP 192.168.0.47 added
Aug 18 10:54:55 localhost Keepalived_healthcheckers: Netlink reflector reports IP 192.168.0.7 added
Aug 18 10:54:55 localhost Keepalived_healthcheckers: Registering Kernel netlink reflector
Aug 18 10:54:55 localhost Keepalived_healthcheckers: Registering Kernel netlink command channel
Aug 18 10:54:55 localhost Keepalived_healthcheckers: Opening file '/etc/keepalived/keepalived.conf'.
Aug 18 10:54:55 localhost Keepalived_healthcheckers: Configuration is using : 11089 Bytes
Aug 18 10:54:55 localhost Keepalived_healthcheckers: IPVS: Service already exists
Aug 18 10:54:55 localhost Keepalived_healthcheckers: IPVS: Destination already exists
Aug 18 10:54:55 localhost Keepalived_healthcheckers: Activating healtchecker for service [192.168.0.47:80]
Aug 18 10:54:55 localhost Keepalived: Starting Healthcheck child process, pid=3735
Aug 18 10:54:55 localhost Keepalived: Starting VRRP child process, pid=3737
Aug 18 10:54:55 localhost Keepalived_vrrp: Using MII-BMSR NIC polling thread...
Aug 18 10:54:55 localhost Keepalived_vrrp: Netlink reflector reports IP 192.168.122.1 added
Aug 18 10:54:55 localhost Keepalived_vrrp: Netlink reflector reports IP 192.168.0.47 added
Aug 18 10:54:55 localhost Keepalived_vrrp: Netlink reflector reports IP 192.168.0.7 added
Aug 18 10:54:55 localhost Keepalived_vrrp: Registering Kernel netlink reflector
Aug 18 10:54:55 localhost Keepalived_vrrp: Registering Kernel netlink command channel
Aug 18 10:54:55 localhost Keepalived_vrrp: Registering gratutious ARP shared channel
Aug 18 10:54:55 localhost Keepalived_vrrp: Opening file '/etc/keepalived/keepalived.conf'.
Aug 18 10:54:55 localhost Keepalived_vrrp: Configuration is using : 37660 Bytes
Aug 18 10:54:55 localhost Keepalived_vrrp: VRRP sockpool: [ifindex(6), proto(112), fd(8,9)]
Aug 18 10:54:56 localhost Keepalived_vrrp: VRRP_Instance(VI_1) Transition to MASTER STATE
Aug 18 10:54:57 localhost Keepalived_vrrp: VRRP_Instance(VI_1) Entering MASTER STATE
Aug 18 10:54:57 localhost Keepalived_vrrp: VRRP_Instance(VI_1) setting protocol VIPs.
Aug 18 10:54:57 localhost Keepalived_vrrp: Netlink: error: File exists, type=(20), seq=1250564096, pid=0
Aug 18 10:54:57 localhost Keepalived_vrrp: VRRP_Instance(VI_1) Sending gratuitous ARPs on eth0 for 192.168.0.7

我配置完毕脚本之后.
首先启动主脚本.
然后又启动了两台real的脚本.
最后启动了.keepalived
这是输出到messages内的信息...
您看看问题处在哪里了.?
现在问题是不能转发.

linuxking

感谢您...发布了这么好的资料.我现在那个问题解决了.让我学习到了很多.