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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-7722) DataNode#checkDiskError should also remove Storage when error is found.
Date Thu, 19 Mar 2015 14:40:47 GMT

    [ https://issues.apache.org/jira/browse/HDFS-7722?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14369424#comment-14369424
] 

Hudson commented on HDFS-7722:
------------------------------

FAILURE: Integrated in Hadoop-Hdfs-trunk-Java8 #128 (See [https://builds.apache.org/job/Hadoop-Hdfs-trunk-Java8/128/])
Fix CHANGES.txt for HDFS-7722. (arp: rev 02a67aad65e790cddba6f49658664f459e1de788)
* hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt


> 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
>             Fix For: 2.7.0
>
>         Attachments: HDFS-7722.000.patch, HDFS-7722.001.patch, HDFS-7722.002.patch, HDFS-7722.003.patch,
HDFS-7722.004.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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