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https://issues.apache.org/jira/browse/HDFS-17056?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17800338#comment-17800338
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ASF GitHub Bot commented on HDFS-17056:
---------------------------------------

ayushtkn merged PR #6379:
URL: https://github.com/apache/hadoop/pull/6379




> EC: Fix verifyClusterSetup output in case of an invalid param.
> --------------------------------------------------------------
>
>                 Key: HDFS-17056
>                 URL: https://issues.apache.org/jira/browse/HDFS-17056
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: ec
>            Reporter: Ayush Saxena
>            Assignee: huangzhaobo99
>            Priority: Major
>              Labels: newbie, pull-request-available
>
> {code:java}
> bin/hdfs ec  -verifyClusterSetup XOR-2-1-1024k        
> 9 DataNodes are required for the erasure coding policies: RS-6-3-1024k, 
> XOR-2-1-1024k. The number of DataNodes is only 3. {code}
> verifyClusterSetup requires -policy then the name of policies, else it 
> defaults to all enabled policies.
> In case there are additional invalid options it silently ignores them, unlike 
> other EC commands which throws out Too Many Argument exception.



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