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https://issues.apache.org/jira/browse/HDFS-13805?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16576647#comment-16576647
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Arpit Agarwal commented on HDFS-13805:
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I don't like wiping all JNs with a single mis-executed command. This is a rare
scenario so it it's probably safer for the admin to manually wipe JNs.
> Journal Nodes should allow to format non-empty directories with "-force"
> option
> -------------------------------------------------------------------------------
>
> Key: HDFS-13805
> URL: https://issues.apache.org/jira/browse/HDFS-13805
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: journal-node
> Affects Versions: 3.0.0-alpha4
> Reporter: Surendra Singh Lilhore
> Assignee: Surendra Singh Lilhore
> Priority: Major
> Attachments: HDFS-13805.001.patch
>
>
> HDFS-11112 completely restricted to re-format journalnode, but it should be
> allowed when *"-force"* option is given. If user feel force option can
> accidentally delete the data then he can disable it by configuring
> "*dfs.reformat.disabled*"
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