hadoop-集群启动问题1:datanode未启动:

1.问题点 : 2020-05-17 20:21:02,927 INFO org.apache.hadoop.hdfs.server.common.Storage: Lock on /home/hadoop/data/hadoopdata/data/in_use.lock acquired by nodename [email protected] 2020-05-17 20:21:02,930
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