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From "Manjunath Anand (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (HDFS-10978) fsck reports healthy even though dfsadmin -report shows under-replicated blocks
Date Sat, 21 Jan 2017 09:16:26 GMT

     [ https://issues.apache.org/jira/browse/HDFS-10978?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Manjunath Anand reassigned HDFS-10978:
--------------------------------------

    Assignee: Manjunath Anand

> fsck reports healthy even though dfsadmin -report shows under-replicated blocks
> -------------------------------------------------------------------------------
>
>                 Key: HDFS-10978
>                 URL: https://issues.apache.org/jira/browse/HDFS-10978
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: hdfs
>    Affects Versions: 2.7.2
>         Environment: Running hdfs 2.7.2 on Ubuntu 12.04
>            Reporter: Abhay Bothra
>            Assignee: Manjunath Anand
>
> Output of various hdfs commands is as follows:
> {code:java}
> fsck /
> {code}
> shows system as healthy.
> {code:java}
> dfsadmin -report 
> {code}
> lists 12 files as under-replicated.
> {code:java}
> fsck -list-corruptfileblocks / 
> {code}
> shows 12 files as corrupt. These files are not listed when running the 'ls' command.
> This looks like an issue has also been reported on [StackOverflow|http://stackoverflow.com/questions/37776860/hadoop-namenode-under-replicated-blocks-not-found-in-fsck]
for hadoop version 2.6.4 with no resolution.



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