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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-7833) DataNode reconfiguration does not recalculate valid volumes required, based on configured failed volumes tolerated.
Date Thu, 07 May 2015 10:46:07 GMT

    [ https://issues.apache.org/jira/browse/HDFS-7833?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14532439#comment-14532439
] 

Hudson commented on HDFS-7833:
------------------------------

FAILURE: Integrated in Hadoop-Yarn-trunk #920 (See [https://builds.apache.org/job/Hadoop-Yarn-trunk/920/])
HDFS-7833. DataNode reconfiguration does not recalculate valid volumes required, based on
configured failed volumes tolerated. Contributed by Lei (Eddy) Xu. (cnauroth: rev 6633a8474d7e92fa028ede8fd6c6e41b6c5887f5)
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/FsDatasetImpl.java
* hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestDataNodeVolumeFailure.java
* hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt


> DataNode reconfiguration does not recalculate valid volumes required, based on configured
failed volumes tolerated.
> -------------------------------------------------------------------------------------------------------------------
>
>                 Key: HDFS-7833
>                 URL: https://issues.apache.org/jira/browse/HDFS-7833
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: datanode
>    Affects Versions: 2.6.0
>            Reporter: Chris Nauroth
>            Assignee: Lei (Eddy) Xu
>              Labels: BB2015-05-TBR
>             Fix For: 2.8.0
>
>         Attachments: HDFS-7833.000.patch, HDFS-7833.001.patch, HDFS-7833.002.patch, HDFS-7833.003.patch
>
>
> DataNode reconfiguration never recalculates {{FsDatasetImpl#validVolsRequired}}.  This
may cause incorrect behavior of the {{dfs.datanode.failed.volumes.tolerated}} property if
reconfiguration causes the DataNode to run with a different total number of volumes.



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