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https://issues.apache.org/jira/browse/HDDS-1933?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16933136#comment-16933136
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Li Cheng commented on HDDS-1933:
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After discussion, we suppose the change could remain as it is now. And
[~msingh] Please try to set DFS_DATANODE_USE_DN_HOSTNAME_DEFAULT = true in
kubernetes env and see it works.
> Datanode should use hostname in place of ip addresses to allow DN's to work
> when ipaddress change
> -------------------------------------------------------------------------------------------------
>
> Key: HDDS-1933
> URL: https://issues.apache.org/jira/browse/HDDS-1933
> Project: Hadoop Distributed Data Store
> Issue Type: Bug
> Components: Ozone Datanode, SCM
> Affects Versions: 0.4.0
> Reporter: Mukul Kumar Singh
> Priority: Blocker
>
> This was noticed by [~elek] while deploying Ozone on Kubernetes based
> environment.
> When the datanode ip address change on restart, the Datanode details cease to
> be correct for the datanode. and this prevents the cluster from functioning
> after a restart.
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