start-dfs启动节点时,datanode无法启动

  首先查看日志中,报错信息如下: java.io.IOException: Incompatible clusterIDs in /opt/modules/app/hadoop/hdfs/data: namenode clusterID = CID-33b98b82-2cdb-4665-a1d3-a3b9296f7d18; datanode clusterID = CID-db74cf3a-95
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