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https://issues.apache.org/jira/browse/HDFS-7833?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14531984#comment-14531984
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Hudson commented on HDFS-7833:
------------------------------
FAILURE: Integrated in Hadoop-trunk-Commit #7754 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/7754/])
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/test/java/org/apache/hadoop/hdfs/server/datanode/TestDataNodeVolumeFailure.java
* hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
*
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/FsDatasetImpl.java
> 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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