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

Even after removing the remaking the directories, the datanode wasn't starting. So, I started it manually using bin/hadoop datanode It did not reach any conclusion. I opened another terminal from the same username and did jps and it showed me the running datanode process. It's working, but I just have to keep the unfinished terminal open by the side.