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https://issues.apache.org/jira/browse/HDFS-14601?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16898241#comment-16898241
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Íñigo Goiri commented on HDFS-14601:
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[~fengnanli] do you mind posting the changes to make it work?
My only concern would be breaking any other case but let's see.
> NameNode HA with single DNS record for NameNode discovery prevent running ZKFC
> ------------------------------------------------------------------------------
>
> Key: HDFS-14601
> URL: https://issues.apache.org/jira/browse/HDFS-14601
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: Kei Kori
> Assignee: Fengnan Li
> Priority: Major
>
> ZKFC seems not treat one DNS record for NameNode discovery as multiple
> NameNodes, so launching ZKFC is blocked on NameNodes which has only one
> "dfs.ha.namenodes" definition with DNS for resolving multiple NameNodes.
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