hadoop为什么突然SecondaryNameNode、datanode进程不见了？

Question

猜测是同时使用百度网盘的原因，50010端口被占用了。关掉重启就好了。。。。

以前一直用的好好的，有5个进程，突然SecondaryNameNode不见了。
datanode的信息

按照
https://blog.csdn.net/caojian...
添加了
<property>

<name>dfs.datanode.address</name>
<value>0.0.0.0:50011</value>

</property>
也没用

22/05/13 13:44:06 WARN common.Storage: java.io.IOException: Incompatible clusterIDs in D:\hadoop-2.7.2\data\datanode: namenode clusterID = CID-d5c507b1-b626-4d62-b72f-38c99f575a97; datanode clusterID = CID-40ad4ca7-d869-48f0-b597-bd179a77736e
22/05/13 13:44:06 FATAL datanode.DataNode: Initialization failed for Block pool <registering> (Datanode Uuid unassigned) service to localhost/127.0.0.1:9000. Exiting.
java.io.IOException: All specified directories are failed to load.

    at org.apache.hadoop.hdfs.server.datanode.DataStorage.recoverTransitionRead(DataStorage.java:478)
    at org.apache.hadoop.hdfs.server.datanode.DataNode.initStorage(DataNode.java:1358)
    at org.apache.hadoop.hdfs.server.datanode.DataNode.initBlockPool(DataNode.java:1323)
    at org.apache.hadoop.hdfs.server.datanode.BPOfferService.verifyAndSetNamespaceInfo(BPOfferService.java:317)
    at org.apache.hadoop.hdfs.server.datanode.BPServiceActor.connectToNNAndHandshake(BPServiceActor.java:223)
    at org.apache.hadoop.hdfs.server.datanode.BPServiceActor.run(BPServiceActor.java:802)
    at java.lang.Thread.run(Thread.java:748)

22/05/13 13:44:06 WARN datanode.DataNode: Ending block pool service for: Block pool <registering> (Datanode Uuid unassigned) service to localhost/127.0.0.1:9000
22/05/13 13:44:06 INFO datanode.DataNode: Removed Block pool <registering> (Datanode Uuid unassigned)
22/05/13 13:44:08 WARN datanode.DataNode: Exiting Datanode
22/05/13 13:44:08 INFO util.ExitUtil: Exiting with status 0
22/05/13 13:44:08 INFO datanode.DataNode: SHUTDOWN_MSG:
/**
SHUTDOWN_MSG: Shutting down DataNode at LAPTOP-TVL7J8SH/10.124.198.75
**/