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https://issues.apache.org/jira/browse/HDFS-17021?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Shuyan Zhang resolved HDFS-17021.
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Resolution: Not A Bug
> GENSTAMP_MISMATCH replica can not be removed by invalidateCorruptReplicas()
> ---------------------------------------------------------------------------
>
> Key: HDFS-17021
> URL: https://issues.apache.org/jira/browse/HDFS-17021
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: Shuyan Zhang
> Assignee: Shuyan Zhang
> Priority: Major
>
> If a replica is corrupted due to generation stamp mismatch, the corresponding
> datanode stores a wrong generation stamp while `invalidateCorruptReplicas()`
> will send right generation stamp to the datanode. Therefore, the check on
> datanode can not pass successfully as discussion in
> [https://github.com/apache/hadoop/pull/5643.] resulting in the corrupted
> replica unable to be successfully deleted.
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