Datanode process not running in Hadoop

Question

I set up and configured a multi-node Hadoop cluster using this tutorial.

When I type in the start-all.sh command, it shows all the processes initializing properly as

Answer 1

Try this

1. stop-all.sh
2. vi hdfs-site.xml
3. change the value given for property dfs.data.dir
4. format namenode
5. start-all.sh