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From "Lin Yiqun (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-10279) Improve the validation for tolerated volumes
Date Tue, 12 Apr 2016 05:42:25 GMT

    [ https://issues.apache.org/jira/browse/HDFS-10279?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15236630#comment-15236630

Lin Yiqun commented on HDFS-10279:

Attach a initial patch. Thanks [~brahmareddy] for great idea. [~andrew.wang], can see this
JIRA and review my patch.

> Improve the validation for tolerated volumes
> --------------------------------------------
>                 Key: HDFS-10279
>                 URL: https://issues.apache.org/jira/browse/HDFS-10279
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>            Reporter: Lin Yiqun
>            Assignee: Lin Yiqun
>         Attachments: HDFS-10279.001.patch
> Now the misconfiguration for dfs.datanode.failed.volumes.tolerated are detected too late
and not easily be found. We can move the validation logic for tolerated volumes to a eariler
time that before datanode regists to namenode. And this will let us detect the misconfiguration
soon and easily.

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