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https://issues.apache.org/jira/browse/HDFS-4173?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14284418#comment-14284418
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Hadoop QA commented on HDFS-4173:
---------------------------------
{color:red}-1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12552952/HDFS-4173.001.patch
against trunk revision dd0228b.
{color:red}-1 patch{color}. The patch command could not apply the patch.
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/9278//console
This message is automatically generated.
> If the NameNode has already been formatted, but a QuroumJournal has not,
> auto-format it on startup
> --------------------------------------------------------------------------------------------------
>
> Key: HDFS-4173
> URL: https://issues.apache.org/jira/browse/HDFS-4173
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: journal-node, namenode
> Affects Versions: 2.0.3-alpha
> Reporter: Colin Patrick McCabe
> Assignee: Colin Patrick McCabe
> Priority: Minor
> Attachments: HDFS-4173.001.patch
>
>
> If we have multiple edit log directories, and some of them are formatted, but
> others are not, we format the unformatted ones. However, when we implemented
> QuorumJournalManager, we did not extend this behavior to it. It makes sense
> to do this.
> One use case is if you want to add a QuorumJournalManager URI
> ({{journal://}}) to an existing {{NameNode}}, without reformatting
> everything. There is currently no easy way to do this, since {{namenode
> \-format}} will nuke everything, and there's no other way to format the
> {{JournalNodes}}.
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