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From "Chris Nauroth (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-7722) DataNode#checkDiskError should also remove Storage when error is found.
Date Mon, 09 Mar 2015 21:51:40 GMT

     [ https://issues.apache.org/jira/browse/HDFS-7722?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Chris Nauroth updated HDFS-7722:
--------------------------------
    Hadoop Flags: Reviewed

+1 for the patch from me.  It looks like this version addresses Colin's last round of feedback
too.

Jenkins failed during mvn clean while trying to delete files.  Let's try again.  I submitted
a new run here:

https://builds.apache.org/job/PreCommit-HDFS-Build/9801/

> 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
>            Assignee: Lei (Eddy) Xu
>         Attachments: HDFS-7722.000.patch, HDFS-7722.001.patch, HDFS-7722.002.patch, HDFS-7722.003.patch
>
>
> 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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