9 DataNodes are required for the erasure coding policies: RS-6-3-1024k
刚装的CDH6.2.1版本的集群172.30.81.203 manager172.30.81.204 node1172.30.81.205 node2172.30.81.206 node3存在隐患:9 DataNodes are required for the erasure coding policies: RS-6-3-1024k.The number of DataNodes is only 3.解决方案使用RS-6-3-1024k编码纠删码策略至少需要9个DataNode