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https://issues.apache.org/jira/browse/HDFS-12066?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16119592#comment-16119592
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Wei-Chiu Chuang commented on HDFS-12066:
----------------------------------------

Looks good to me.
Would it be feasible to add tests in 
TestSafeMode#testOperationsWhileInSafeMode? 

> When Namenode is in safemode,may not allowed to remove an user's erasure 
> coding policy
> --------------------------------------------------------------------------------------
>
>                 Key: HDFS-12066
>                 URL: https://issues.apache.org/jira/browse/HDFS-12066
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: hdfs
>    Affects Versions: 3.0.0-alpha3
>            Reporter: lufei
>            Assignee: lufei
>              Labels: hdfs-ec-3.0-nice-to-have
>         Attachments: HDFS-12066.001.patch
>
>
> FSNamesystem#removeErasureCodingPolicy should call checkNameNodeSafeMode() to 
> ensure Namenode is not in safemode



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