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From "Aaron T. Myers (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-2376) fsck reports the fs as healthy even when all replicas of a block are corrupted by overwriting them with smaller content
Date Tue, 27 Sep 2011 19:47:45 GMT

    [ https://issues.apache.org/jira/browse/HDFS-2376?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13115850#comment-13115850
] 

Aaron T. Myers commented on HDFS-2376:
--------------------------------------

Hey Arpit, this sounds like it might be a duplicate of HDFS-2263. Do you agree?
                
> 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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