Lei (Eddy) Xu created HDFS-7722:
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Summary: DataNode#checkDiskError should also remove Storage when
error is found.
Key: HDFS-7722
URL: https://issues.apache.org/jira/browse/HDFS-7722
Project: Hadoop HDFS
Issue Type: Bug
Components: datanode
Affects Versions: 2.6.0
Reporter: Lei (Eddy) Xu
When {{DataNode#checkDiskError}} found disk errors, it removes all block
metadatas from {{FsDatasetImpl}}. However, it does not removed the
corresponding {{DataStorage}} and {{BlockPoolSliceStorage}}.
The result is that, we could not directly run {{reconfig}} to hot swap the
failure disks without changing the configure file.
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