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https://issues.apache.org/jira/browse/HDFS-12607?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16213001#comment-16213001
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Íñigo Goiri commented on HDFS-12607:
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* In {{ProvidedStorageMap}}, can we use the {{Logger}} format?
* The comment in {{ProvidedStorageMap#setState()}} is not very clear. Something
along the lines of the JIRA description would be better. Maybe for the whole
{{setState()}} method
* Capital for the first word of the comments?
* Can we make {{numFiles > 0}} in the unit test? Should we fail if we
{{numFiles}} is set to 0 as we are not testing anything?
* Should we do {{waitActive()}} in the test for every file?
> [READ] Even one dead datanode with PROVIDED storage results in
> ProvidedStorageInfo being marked as FAILED
> ---------------------------------------------------------------------------------------------------------
>
> Key: HDFS-12607
> URL: https://issues.apache.org/jira/browse/HDFS-12607
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Reporter: Virajith Jalaparti
> Assignee: Virajith Jalaparti
> Attachments: HDFS-12607-HDFS-9806.001.patch, HDFS-12607.repro.patch
>
>
> When a DN configured with PROVIDED storage is marked as dead by the NN, the
> state of {{providedStorageInfo}} in {{ProvidedStorageMap}} is set to FAILED,
> and never becomes NORMAL. The state should change to FAILED only if all
> datanodes with PROVIDED storage are dead, and should be restored back to
> NORMAL when a Datanode with NORMAL DatanodeStorage reports in.
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