File /hbase could only be replicated to 0 nodes instead of minReplication (=1). There are 30 datanode(s) running and no node(s) are excluded in this operation.
原因：
hdfs-site.xml中的配置为：
<property>
<name>dfs.datanode.du.reserved</name>
<value>400000000000</value>
</property>
dfs.datanode.du.reserved值太大了，预留近400G。
设小一点就可以了10737418240，例如10G。
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