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https://issues.apache.org/jira/browse/HADOOP-5599?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12694138#action_12694138
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Ramya R commented on HADOOP-5599:
---------------------------------
Consider the following simple scenario:
* Generate data
* Datanodes in a given rack goes down(2 replicas of many block are lost)
* Run sort on the generated data
* Sort job fails
* The filesystem is declared CORRUPT
However the expected behavior would be to successfully sort the data available
using the third replica of blocks.
> Unable to run jobs when all the nodes in rack are down
> ------------------------------------------------------
>
> Key: HADOOP-5599
> URL: https://issues.apache.org/jira/browse/HADOOP-5599
> Project: Hadoop Core
> Issue Type: Bug
> Components: dfs
> Affects Versions: 0.20.0
> Reporter: Ramya R
> Fix For: 0.20.0
>
>
> Jobs such as randomwriter, sort, validator fail when all the datanodes in a
> rack are down.
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