您好請問執行bin/start-all.sh後
跑出：

namenode running as process 2811. Stop it first.
hadoop1: datanode running as process 2910. Stop it first.
hadoop3: datanode running as process 2782. Stop it first.
hadoop2: datanode running as process 3094. Stop it first.
jobtracker running as process 2989. Stop it first.
hadoop1: tasktracker running as process 3088. Stop it first.
hadoop3: tasktracker running as process 2855. Stop it first.
hadoop2: tasktracker running as process 3330. Stop it first.

這樣代表什麼意思???是否正常??謝謝!!!