Ubuntu 13 Zookeeper 集群配置

一. 目标

Linux集群搭建Zookeeper集群,并配置管理Web管理系统。

二. 先决条件

 本文档中基于VirtualBox Ubuntu Server 13.04 虚机(启动SSH服务器)构建。

三. 安装 Zookeeper环境

l 下载jdk-7u51-linux-x64.gz (预先下载到局域网环境) 

l cpsing@Zookeeper-Cluster1:~# wget ftp://192.168.1.104/jdk-7u51-linux-x64.gz

l cpsing@Zookeeper-Cluster1:~# sudo  cp jdk-7u51-linux-x64.gz  /usr/local/

l cpsing@Zookeeper-Cluster1:sudo  /usr/local# tar zxvf jdk-7u51-linux-x64.gz

l cpsing@Zookeeper-Cluster1:/usr/local/jdk1.7.0_51$ sudo vi /etc/profile

l 增加如下

   export JAVA_HOME=/usr/local/jdk1.7.0_51  

   export CLASSPATH=.:$JAVA_HOME/lib:$JAVA_HOME/jre/lib:$CLASSPATH  

   export PATH=$JAVA_HOME/bin:$JAVA_HOME/jre/bin:$PATH

l cpsing@Zookeeper-Cluster1:/usr/local/jdk1.7.0_51$ source /etc/profile

l cpsing@Zookeeper-Cluster1:/usr/local/jdk1.7.0_51$ java -version

l cpsing@Zookeeper-Cluster1:/usr/local$ sudo wget http://mirror.bit.edu.cn/apache/zookeeper/zookeeper-3.4.6/zookeeper-3.4.6.tar.gz

l cpsing@Zookeeper-Cluster1:/usr/local$ sudo tar zxvf zookeeper-3.4.6.tar.gz 

l cpsing@Zookeeper-Cluster1:/usr/local/zookeeper-3.4.6$ sudo vi /etc/environment 

export ZOOKEEPER_HOME=/usr/local/zookeeper-3.4.6

export PATH=$PATH:$ZOOKEEPER_HOME/bin:$ZOOKEEPER_HOME/conf

l cpsing@Zookeeper-Cluster1:/usr/local/zookeeper-3.4.6/conf$ cp zoo_sample.cfg zoo.cfg

    dataDir=/root/zookeeper

l cpsing@Zookeeper-Cluster1:/usr/local/zookeeper-3.4.6/conf$ sudo mkdir /root/zookeeper

l root@Zookeeper-Cluster1:/usr/local/zookeeper-3.4.6/bin# ./zkServer.sh start

l root@Zookeeper-Cluster1:/etc/init.d# ps -ef | grep 'zookeeper'

 

四.执行VM Clone

    Clone两台VM,如果出现网卡不能使用的情况,则按如下操作:

l 删除 /etc/udev/rules.d/70-persistent-net.rules 

l 重启机器

l 修改/etc/hostssudo vi /etc/hosts,然后修改 /etc/hostname

五.配置集群

l 修改三台服务器的 /etc/hosts

   192.168.9.208   Zookeeper-Cluster1

   192.168.9.178   Zookeeper-Cluster2

   192.168.9.117   Zookeeper-Cluster3

l 修改三台服务器的zookeeper配置文件 增加如下;

server.1=Zookeeper-Cluster1:2888:3888  

server.2=Zookeeper-Cluster2:2888:3888  

server.3=Zookeeper-Cluster3:2888:3888

l 在我们配置的dataDir指定的目录下面,创建一个myid文件,里面内容为一个数字,用来标识当前主机,conf/zoo.cfg文件中配置的server.XX为什么数字,则myid文件中就输入这个数字,例如:

root@Zookeeper-Cluster1:/usr/local/zookeeper-3.4.6/bin# echo "1" > /root/zookeeper/myid

root@Zookeeper-Cluster2:/usr/local/zookeeper-3.4.6/bin# echo "2" > /root/zookeeper/myid

root@Zookeeper-Cluster3:/usr/local/zookeeper-3.4.6/bin# echo "3" > /root/zookeeper/myid

l 检查集群状态

root@Zookeeper-Cluster1:/usr/local/zookeeper-3.4.6/bin# n./zkServer.sh status

root@Zookeeper-Cluster1:/usr/local/zookeeper-3.4.6/bin# n./zkServer.sh status

root@Zookeeper-Cluster1:/usr/local/zookeeper-3.4.6/bin# n./zkServer.sh status 

     如果显示如下:

root@Zookeeper-Cluster3:/usr/local/zookeeper-3.4.6/bin# n./zkServer.sh status

JMX enabled by default

Using config: /usr/local/zookeeper-3.4.6/bin/../conf/zoo.cfg

Error contacting service. It is probably not running.

      执行

root@Zookeeper-Cluster1:/usr/local/zookeeper-3.4.6/bin# tail -f zookeeper.out 查看日志

       解决办法:

        Sudo  vi /etc/hosts

        注释掉:127.0.0.1 开始的行,重启zookeeper 搞定!

 

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