Referring HDFS-5153, I took workaround. https://issues.apache.org/jira/browse/HDFS-5153   One of the couses is that I set dfs.datanode.data.dir to only one directory. So, I increased by several storages and rebalanced data manually. And then, I could boot hdfs with no currupt.   However, if this is unexpected, I hope the block report function to be fixed. And another better solution is welcome.   ... View more