Closed Hearen closed 8 years ago
checking the logs in each /home/hadoop/hadoop/logs and in datanode host you will can find out that the datanode just cannot connect to namenode; check the iptables, firewall and selinux
checking the logs in each /home/hadoop/hadoop/logs and in datanode host you will can find out that the datanode just cannot connect to namenode; check the iptables, firewall and selinux