You are right,
chown -R hdfs:hadoop /opt/hadoop/hdfs/namenode
chown -R hdfs:hadoop /tmp/hadoop/hdfs/namenode
chown -R hdfs:hadoop /var/hadoop/hdfs/namenode
should fix the issue.
You are right,
chown -R hdfs:hadoop /opt/hadoop/hdfs/namenode
chown -R hdfs:hadoop /tmp/hadoop/hdfs/namenode
chown -R hdfs:hadoop /var/hadoop/hdfs/namenode
should fix the issue.