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https://issues.apache.org/jira/browse/HDFS-3102?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13230897#comment-13230897
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Eli Collins commented on HDFS-3102:
-----------------------------------

Can't we re-use bootstrapStandby (HDFS-2731)?
                
> Add CLI tool to initialize the shared-edits dir
> -----------------------------------------------
>
>                 Key: HDFS-3102
>                 URL: https://issues.apache.org/jira/browse/HDFS-3102
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: ha, name-node
>    Affects Versions: 0.24.0, 0.23.3
>            Reporter: Todd Lipcon
>
> Currently in order to make a non-HA NN HA, you need to initialize the shared 
> edits dir. This can be done manually by cping directories around. It would be 
> preferable to add a "namenode -initializeSharedEdits" command to achieve this 
> same effect.

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