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https://issues.apache.org/jira/browse/HDFS-2111?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13057623#comment-13057623
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Harsh J commented on HDFS-2111:
-------------------------------
Eli,
I was looking into those tests today while trying to integrate mine, and they
do not seem to test the condition of a start-up failure (i.e., the
{{DataNode#getDataDirsFromURIs}} method failing specifically)
> Add tests for ensuring that the DN will start with a few bad data directories
> (Part 1 of testing DiskChecker)
> -------------------------------------------------------------------------------------------------------------
>
> Key: HDFS-2111
> URL: https://issues.apache.org/jira/browse/HDFS-2111
> Project: Hadoop HDFS
> Issue Type: Test
> Components: data-node, test
> Affects Versions: 0.23.0
> Reporter: Harsh J
> Assignee: Harsh J
> Labels: test
> Fix For: 0.23.0
>
>
> Add tests to ensure that given multiple data dirs, if a single is bad, the DN
> should still start up.
> This is to check DiskChecker's functionality used in instantiating DataNodes
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