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From "Lei (Eddy) Xu (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-7722) DataNode#checkDiskError should also remove Storage when error is found.
Date Sat, 31 Jan 2015 01:22:34 GMT
Lei (Eddy) Xu created HDFS-7722:
-----------------------------------

             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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