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From "Vinayakumar B (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-12532) DN Reg can Fail when principal doesn't contain hostname and floatingIP is configured.
Date Mon, 30 Oct 2017 04:23:01 GMT

    [ https://issues.apache.org/jira/browse/HDFS-12532?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16224370#comment-16224370
] 

Vinayakumar B commented on HDFS-12532:
--------------------------------------

FYI, Usecase for the floating IP is to provide HA for a Service. Active service will bind
to floating IP.
So, using floating IP in Non-Secure setup also may still lead to same problem. which is a
valid use-case IMO.

> DN Reg can Fail when principal doesn't contain hostname and floatingIP is configured.
> -------------------------------------------------------------------------------------
>
>                 Key: HDFS-12532
>                 URL: https://issues.apache.org/jira/browse/HDFS-12532
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: Brahma Reddy Battula
>            Assignee: Brahma Reddy Battula
>         Attachments: HDFS-12532.patch
>
>
> Configure principal without hostname (i.e hdfs/hadoop@HADOOP.com)
> Configure floatingIP
> Start Cluster.
> Here DN will fail to register as it can take IP which is not in "/etc/hosts".



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