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https://issues.apache.org/jira/browse/HDDS-4946?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Aravindan Vijayan resolved HDDS-4946.
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Resolution: Fixed
PR merged.
> Do not wait one heartbeat to move newly registered datanodes that match SCM's
> MLV from HEALTHY_READONLY to HEALTHY
> ------------------------------------------------------------------------------------------------------------------
>
> Key: HDDS-4946
> URL: https://issues.apache.org/jira/browse/HDDS-4946
> Project: Apache Ozone
> Issue Type: Sub-task
> Reporter: Ethan Rose
> Assignee: Ethan Rose
> Priority: Major
> Labels: pull-request-available
>
> Currently, when a datanode is registered with SCM, it is added as
> HEALTHY_READONLY, regardless of its metadata layout version. On the next
> heartbeat, the layout is checked against that of SCM's to determine if it
> matches and can be moved to HEALTHY. This Jira will add the check for layout
> match when the datanode is registered, as well as on each heartbeat, so nodes
> whose MLV matches SCM's on registration will move directly from
> HEALTHY_READONLY to HEALTHY without needing to wait for a heartbeat.
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