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https://issues.apache.org/jira/browse/HDFS-6700?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14065897#comment-14065897
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Tsz Wo Nicholas Sze commented on HDFS-6700:
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The failure of TestPipelinesFailover is not related. It also failed in [an
earlier build|https://builds.apache.org/job/PreCommit-HDFS-Build/7373/].
> BlockPlacementPolicy shoud choose storage but not datanode for deletion
> -----------------------------------------------------------------------
>
> Key: HDFS-6700
> URL: https://issues.apache.org/jira/browse/HDFS-6700
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: namenode
> Reporter: Tsz Wo Nicholas Sze
> Assignee: Tsz Wo Nicholas Sze
> Priority: Minor
> Attachments: h6700_20140717.patch, h6700_20140717b.patch
>
>
> HDFS-2832 changed datanode storage model from a single storage, which may
> correspond to multiple physical storage medias, to a collection of storages
> with each storage corresponding to a physical storage media.
> BlockPlacementPolicy.chooseReplicaToDelete still chooses replica in term of
> DatanodeDescriptor but not DatanodeStorageInfo.
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