# mini03、mini04、mini05 启动datanode
# 由于添加环境变量，所以可以在任何目录启动
[yun@mini02 ~]$ hadoop-daemon.sh start datanode # 停止使用： hadoop-daemon.sh stop datanode
starting datanode, logging to /app/hadoop-2.7.6/logs/hadoop-yun-datanode-mini02.out
[yun@mini02 ~]$ jps
5349 Jps
5263 DataNode
5.9.1. 刷新浏览器
5.10. 使用脚本批量启动hdf
# 根据规划在mini01启动
[yun@mini01 hadoop]$ start-dfs.sh
Starting namenodes on [mini01]
mini01: starting namenode, logging to /app/hadoop-2.7.6/logs/hadoop-yun-namenode-mini01.out
mini04: starting datanode, logging to /app/hadoop-2.7.6/logs/hadoop-yun-datanode-mini04.out
mini03: starting datanode, logging to /app/hadoop-2.7.6/logs/hadoop-yun-datanode-mini03.out
mini05: starting datanode, logging to /app/hadoop-2.7.6/logs/hadoop-yun-datanode-mini05.out
Starting secondary namenodes [mini01]
mini01: starting secondarynamenode, logging to /app/hadoop-2.7.6/logs/hadoop-yun-secondarynamenode-mini01.out
URL地址：（HDFS管理界面）
:50070
5.11. 使用脚本批量启动yarn
# 根据规划在mini02启动
# 启动yarn
[yun@mini02 hadoop]$ start-yarn.sh
starting yarn daemons
starting resourcemanager, logging to /app/hadoop-2.7.6/logs/yarn-yun-resourcemanager-mini02.out
mini05: starting nodemanager, logging to /app/hadoop-2.7.6/logs/yarn-yun-nodemanager-mini05.out
mini04: starting nodemanager, logging to /app/hadoop-2.7.6/logs/yarn-yun-nodemanager-mini04.out
mini03: starting nodemanager, logging to /app/hadoop-2.7.6/logs/yarn-yun-nodemanager-mini03.out
URL地址：（MR管理界面）
:8088
5.12. 最后结果
##### mini01
[yun@mini01 hadoop]$ jps
16336 NameNode
16548 SecondaryNameNode
16686 Jps
##### mini02
[yun@mini02 hadoop]$ jps
10936 ResourceManager
11213 Jps
##### mini03
[yun@mini03 ~]$ jps
9212 Jps
8957 DataNode
9039 NodeManager
##### mini04
[yun@mini04 ~]$ jps
4130 NodeManager
4296 Jps
4047 DataNode
##### mini05
[yun@mini05 ~]$ jps
7011 DataNode
7091 NodeManager
7308 Jps
Hadoop2.3-HA高可用集群环境搭建 https://www.linuxidc.com/Linux/2017-03/142155.htm
Hadoop项目之基于CentOS7的Cloudera 5.10.1（CDH）的安装部署 https://www.linuxidc.com/Linux/2017-04/143095.htm
Hadoop2.7.2集群搭建详解（高可用） https://www.linuxidc.com/Linux/2017-03/142052.htm
使用Ambari来部署Hadoop集群（搭建内网HDP源） https://www.linuxidc.com/Linux/2017-03/142136.htm
Ubuntu 14.04下Hadoop集群安装 https://www.linuxidc.com/Linux/2017-02/140783.htm
CentOS 6.7安装Hadoop 2.7.2 https://www.linuxidc.com/Linux/2017-08/146232.htm
Ubuntu 16.04上构建分布式Hadoop-2.7.3集群 https://www.linuxidc.com/Linux/2017-07/145503.htm
CentOS 7 下 Hadoop 2.6.4 分布式集群环境搭建 https://www.linuxidc.com/Linux/2017-06/144932.htm
Hadoop2.7.3+Spark2.1.0完全分布式集群搭建过程 https://www.linuxidc.com/Linux/2017-06/144926.htm
CentOS 7.4下编译安装Hadoop 2.7.6 及所需文件 https://www.linuxidc.com/Linux/2018-06/152786.htm
Ubuntu 16.04.3 下安装配置 Hadoop https://www.linuxidc.com/Linux/2018-04/151993.htm