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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-10225) DataNode hot swap drives should disallow storage type changes.
Date Fri, 22 Jul 2016 00:14:20 GMT

    [ https://issues.apache.org/jira/browse/HDFS-10225?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15388658#comment-15388658
] 

Hudson commented on HDFS-10225:
-------------------------------

SUCCESS: Integrated in Hadoop-trunk-Commit #10134 (See [https://builds.apache.org/job/Hadoop-trunk-Commit/10134/])
HDFS-10225. DataNode hot swap drives should disallow storage type (xiao: rev 132deb4cacc413a85a6af2f390ec79a76c91961c)
* hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestDataNodeHotSwapVolumes.java
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DataNode.java


> DataNode hot swap drives should disallow storage type changes. 
> ---------------------------------------------------------------
>
>                 Key: HDFS-10225
>                 URL: https://issues.apache.org/jira/browse/HDFS-10225
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: datanode
>    Affects Versions: 2.7.2
>            Reporter: Lei (Eddy) Xu
>            Assignee: Lei (Eddy) Xu
>             Fix For: 3.0.0-alpha2
>
>         Attachments: HDFS-10225.000.patch, HDFS-10225.001.patch, HDFS-10225.002.patch,
HDFS-10225.003.patch
>
>
> The current hot swap code only differentiate data dirs by their paths. People might want
to change the types of certain data dirs from the default value in an existing cluster.



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