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https://issues.apache.org/jira/browse/HDFS-2820?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13192103#comment-13192103
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Hudson commented on HDFS-2820:
------------------------------
Integrated in Hadoop-Hdfs-HAbranch-build #57 (See
[https://builds.apache.org/job/Hadoop-Hdfs-HAbranch-build/57/])
HDFS-2820. Add a simple sanity check for HA config. Contributed by Todd
Lipcon.
todd : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1235013
Files :
*
/hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/CHANGES.HDFS-1623.txt
*
/hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSUtil.java
*
/hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java
> Add a simple sanity check for HA config
> ---------------------------------------
>
> Key: HDFS-2820
> URL: https://issues.apache.org/jira/browse/HDFS-2820
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: ha, name-node
> Affects Versions: HA branch (HDFS-1623)
> Reporter: Todd Lipcon
> Assignee: Todd Lipcon
> Priority: Trivial
> Fix For: HA branch (HDFS-1623)
>
> Attachments: hdfs-2820.txt
>
>
> If the user configures a shared edits dir, but doesn't configure the namenode
> addresses correctly, the NN will fail to start up in a very strange way.
> I had this misconfiguration in one of my test clusters which was difficult to
> debug, even though I'm very familiar with the code. This patch is to add a
> simple sanity check so that if a user has the same misconfiguration, it will
> fail to start and given a more informative dump.
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