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From "Bharath Mundlapudi (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-1692) In secure mode, Datanode process doesn't exit when disks fail.
Date Mon, 16 May 2011 04:19:47 GMT

    [ https://issues.apache.org/jira/browse/HDFS-1692?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13033868#comment-13033868
] 

Bharath Mundlapudi commented on HDFS-1692:
------------------------------------------

Yes, I will be porting this one to trunk. We run our clusters in secured mode. 

When a volume tolerated threshold is reached, shutdown is called but datanode continue to
run and doesn't exit. This change will address only in secured mode and non secure mode shouldn't
have this problem.




> In secure mode, Datanode process doesn't exit when disks fail.
> --------------------------------------------------------------
>
>                 Key: HDFS-1692
>                 URL: https://issues.apache.org/jira/browse/HDFS-1692
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: data-node
>    Affects Versions: 0.20.204.0
>            Reporter: Bharath Mundlapudi
>            Assignee: Bharath Mundlapudi
>             Fix For: 0.20.204.0
>
>         Attachments: HDFS-1692-1.patch
>
>
> In secure mode, when disks fail more than volumes tolerated, datanode process doesn't
exit properly and it just hangs even though shutdown method is called. 

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