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https://issues.apache.org/jira/browse/HDDS-1933?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16932172#comment-16932172
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Li Cheng commented on HDDS-1933:
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[~swagle] I was talking with [~Sammi] about this. How do we decide whether to
use IP or hostname? Or rather under which env to use one or the other?
Currently users can config it in configuration xml and shall we keep it this
way?
> 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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