HDFS启动发现DataNode启动失败报错:java.io.IOException: Incompatible clusterIDs
报错详情：HDFS启动后有个别DataNode很快就挂掉，经查看日志文件，有如下报错：2020-07-15 09:55:09,406 INFO common.Storage (Storage.java:tryLock(776)) - Lock on /opt/hadoop/hadoop/hdfs/data/in_use.lock acquired by nodename 20657@node42020-07-15 09:55:09,408 WARN common.Storage (DataS
