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https://issues.apache.org/jira/browse/HDDS-16798?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ethan Rose reassigned HDDS-16798:
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Assignee: Stephen O'Donnell
> Stale or Dead Datanodes whose software is not upgraded may still communicate
> with a finalized SCM
> -------------------------------------------------------------------------------------------------
>
> Key: HDDS-16798
> URL: https://issues.apache.org/jira/browse/HDDS-16798
> Project: Apache Ozone
> Issue Type: Bug
> Reporter: Siyao Meng
> Assignee: Stephen O'Donnell
> Priority: Major
>
> Only all HEALTHY nodes need to be upgraded for SCM start finalization, but
> once SCM finalizes, it should not allow communication with nodes in the older
> software. However this is checked at the time of registration and STALE and
> DEAD nodes can heartbeat back to SCM without reregistering. This should be
> fixable in the general case by sending a reregister command in response to
> any node that heartbeats a software version less than SCM when it is finalized
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