JiangHua Zhu created HDFS-16316:
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Summary: Improve DataNode to calculate used capacity
Key: HDFS-16316
URL: https://issues.apache.org/jira/browse/HDFS-16316
Project: Hadoop HDFS
Issue Type: Bug
Components: datanode
Affects Versions: 2.9.2
Reporter: JiangHua Zhu
Something unusual happened in the online environment.
The DataNode is configured with 11 disks (${datanode.data.dir}). It is normal
for 10 disks to calculate the used capacity, and the calculated value for the
other 1 disk is much larger, which is very strange.
This is the view of the scene:
We can look at the view on linux:
There is a big gap here, regarding'/mnt/dfs/11/data'. This situation should be
prohibited from happening.
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