3.1_解压hadoop
tar -zxvf hadoop-2.6.0-cdh5.10.0.tar.gz
3.2_创建软连接
ln -s hadoop-2.6.0-cdh5.10.0.tar.gz hadoop
3.3_上传配置文件
core-site.xml
hadoop-env.sh
hdfs-site.xml
slaves
3.4_启动hdfs
runRemoteCmd.sh "/home/hadoop/app/zookeeper/bin/zkServer.sh status" all 启动zookeeper
runRemoteCmd.sh "/home/hadoop/app/hadoop/sbin/hadoop-daemon.sh start journalnode" all 启动journalnode
jps 查看进程
3.5_格式化
bin/hdfs namenode -format
bin/hdfs zkfc -formatZK
bin/hdfs namenode
3.6_同步nn2至nn1节点的数据信息
bin/hdfs namenode -bootstrapStandby
runRemoteCmd.sh "/home/hadoop/app/hadoop/sbin/hadoop-daemon.sh stop journalnode" all 关闭journalnode
3.7_一键启动hdfs
sbin/start-dfs.sh
用以下命令查看namenode状态
bin/hdfs haadmin -getServiceState nn1
bin/hdfs haadmin -getServiceState nn2
sbin/stop-dfs.sh 一键关闭
3.8_web页面查看
192.168.192.31:50070
3.9_创建目录
bin/hdfs dfs -ls /
bin/hdfs dfs -mkdir /test 新建
bin/hdfs dfs -put wd.txt /test 上传
bin/hdfs dfs -cat /test/wd.txt 查看
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