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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-2186) DN volume failures on startup are not counted
Date Fri, 12 Aug 2011 03:46:27 GMT

    [ https://issues.apache.org/jira/browse/HDFS-2186?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13083900#comment-13083900

Hadoop QA commented on HDFS-2186:

-1 overall.  Here are the results of testing the latest attachment 
  against trunk revision 1156860.

    +1 @author.  The patch does not contain any @author tags.

    +1 tests included.  The patch appears to include 3 new or modified tests.

    +1 javadoc.  The javadoc tool did not generate any warning messages.

    -1 javac.  The patch appears to cause tar ant target to fail.

    +1 findbugs.  The patch does not introduce any new Findbugs (version 1.3.9) warnings.

    +1 release audit.  The applied patch does not increase the total number of release audit

    -1 core tests.  The patch failed these core unit tests:

    -1 contrib tests.  The patch failed contrib unit tests.

    -1 system test framework.  The patch failed system test framework compile.

Test results: https://builds.apache.org/job/PreCommit-HDFS-Build/1093//testReport/
Findbugs warnings: https://builds.apache.org/job/PreCommit-HDFS-Build/1093//artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/1093//console

This message is automatically generated.

> DN volume failures on startup are not counted
> ---------------------------------------------
>                 Key: HDFS-2186
>                 URL: https://issues.apache.org/jira/browse/HDFS-2186
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: data-node
>            Reporter: Eli Collins
>            Assignee: Eli Collins
>             Fix For: 0.23.0
>         Attachments: hdfs-2186-1.patch
> Volume failures detected on startup are not currently counted/reported as such. Eg if
you have configured 4 volumes, 2 tolerated failures, and you start a DN with two failed volumes
it will come up and report (to the NN) no failed volumes. The DN will still be able to tolerate
2 additional volume failures (ie it's OK with no valid volumes remaining). The intent of the
volume failure toleration config value is that if more than this # of volumes of the total
set of configured volumes have failed the DN should shutdown, therefore volume failures detected
on startup should count against this quota. 

This message is automatically generated by JIRA.
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