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https://issues.apache.org/jira/browse/HDFS-2376?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Arpit Gupta resolved HDFS-2376.
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Resolution: Duplicate
Resolving it as duplicate of HDFS-2263
> fsck reports the fs as healthy even when all replicas of a block are
> corrupted by overwriting them with smaller content
> -----------------------------------------------------------------------------------------------------------------------
>
> Key: HDFS-2376
> URL: https://issues.apache.org/jira/browse/HDFS-2376
> Project: Hadoop HDFS
> Issue Type: Bug
> Affects Versions: 0.20.205.0
> Reporter: Arpit Gupta
>
> Here is the issue
> 1. Find all 3 replicas for a block
> 2. Corrupt the 3 blocks by overwriting them with smaller content
> 3. cat the file which had the above block (cat fails as content is not
> correct)
> 4. run fsck and fsck still reports the fs as healthy
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