Hadoop集群安装与部署（三节点）

核心提示： 1.2.1 环境准备环境由三台服务器组成，分别为目录节点，Hadoop集群安装与部署（三节点），内容节点，服务器列表如下所示：表１ 主机环境准备 IP 机器名称

 1.2.1 环境准备

[hadoop@m1 .ssh]$ cat /etc/sysconfig/network-scripts/ifcfg-eth0 DEVICE="eth0" NM_CONTROLLED="yes" ONBOOT=yes TYPE=Ethernet BOOTPROTO=none IPADDR=10.0.0.201 PREFIX=24 GATEWAY=10.0.0.254 DEFROUTE=yes IPV4_FAILURE_FATAL=yes IPV6INIT=no NAME="System eth0" HWADDR=10:50:56:AF:00:CF [hadoop@m1 .ssh]$ cat /etc/hosts 10.0.0.201　 m1.hadoop 10.0.0.209　 s1.hadoop 10.0.0.211　 s2.hadoop 127.0.0.1　　　 localhost.localdomain　 localhost  [hadoop@m1 .ssh]$ cat /etc/sysconfig/network NETWORKING=yes HOSTNAME=m1.hadoop FORWARD_IPV4=yes

[hadoop@s1 .ssh]$ cat /etc/sysconfig/network-scripts/ifcfg-eth0 DEVICE="eth0" NM_CONTROLLED="yes" ONBOOT=yes HWADDR=10:50:56:AF:00:D4 TYPE=Ethernet BOOTPROTO=none IPADDR=10.0.0.209 PREFIX=24 GATEWAY=10.0.0.254 DEFROUTE=yes IPV4_FAILURE_FATAL=yes IPV6INIT=no NAME="System eth0"  [hadoop@s1 .ssh]$ cat /etc/hosts 10.0.0.209　 s1.hadoop 10.0.0.201　 m1.hadoop 10.0.0.211　 s2.hadoop 127.0.0.1　 localhost.localdomain　  localhost  [hadoop@s1 .ssh]$ cat /etc/sysconfig/network NETWORKING=yes HOSTNAME=s1.hadoop