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https://issues.apache.org/jira/browse/HDDS-17511?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated HDDS-17511:
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Labels: pull-request-available (was: )
> SCM can reject decommission despite sufficient healthy datanodes
> ----------------------------------------------------------------
>
> Key: HDDS-17511
> URL: https://issues.apache.org/jira/browse/HDDS-17511
> Project: Apache Ozone
> Issue Type: Bug
> Reporter: Shuo Huang
> Assignee: Shuo Huang
> Priority: Minor
> Labels: pull-request-available
>
> The decommission check subtracts all IN_SERVICE target datanodes from the
> healthy datanode count, including STALE or DEAD targets that were never
> included in that count.
>
> For example, the cluster has three healthy datanodes and one DEAD datanode.
> The DEAD datanode's container list includes a container configured to keep
> three replicas. Decommissioning that datanode is rejected with "Insufficient
> nodes": the check calculates 3 - 1 = 2, although all three healthy datanodes
> remain available.
>
> The maintenance check has the same problem.
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