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https://issues.apache.org/jira/browse/HDDS-4992?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Aravindan Vijayan resolved HDDS-4992.
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Resolution: Fixed
PR merged.
> SCM should not use pipelines with HEALTHY_READONLY datanodes
> ------------------------------------------------------------
>
> Key: HDDS-4992
> URL: https://issues.apache.org/jira/browse/HDDS-4992
> Project: Apache Ozone
> Issue Type: Sub-task
> Reporter: Ethan Rose
> Assignee: Ethan Rose
> Priority: Critical
> Labels: pull-request-available
>
> During upgrade testing for HDDS-4181, it was noticed that datanodes were
> incorrectly using the newest metadata layout version when pre-finalized.
> However, SCM still came out of safe mode counting these pipelines as healthy,
> even though the datanodes' MLV was ahead of SCM's. This Jira will make SCM
> not use pipelines involving HEATLHY_READONLY datanodes.
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