java.io.IOException: Incompatible clusterIDs in /opt/modules/hadoop-2.6.0/data/tmp/dfs/data: namenode clusterID = CID-10c4a581-792e-48a2-932b-c279a448df47; datanode clusterID = CID-ea44321a-a510-430f-93b7-4334c3c800b7
解决办法:
改为最新的,一致,即可。
位置即/opt/modules/hadoop-2.6.0/data/tmp/dfs/data/current/ 下的VERSION文件: