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https://issues.apache.org/jira/browse/HDFS-5009?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13753543#comment-13753543
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Junping Du commented on HDFS-5009:
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Sure. Nicholas. I am glad to help here.
Yes. That sounds good to me. So StorageTypes[] previously added in HDFS-4985 is
duplicated and keep one here is necessary. Right? BTW, move package for
DatanodeStorage is a nice to have but not must. Isn't it?
> NameNode should expose storage information in the LocatedBlock
> --------------------------------------------------------------
>
> Key: HDFS-5009
> URL: https://issues.apache.org/jira/browse/HDFS-5009
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: namenode
> Affects Versions: 3.0.0
> Reporter: Arpit Agarwal
> Assignee: Tsz Wo (Nicholas), SZE
>
> The storage type is optionally reported by the DataNode along with block
> report. The NameNode should make this information available to clients via
> LocatedBlock.
> Also, LocatedBlock is used in reportBadBlocks(..). We should add storage ID
> to LocatedBlock.
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