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https://issues.apache.org/jira/browse/HDFS-5233?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Arpit Agarwal resolved HDFS-5233.
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Resolution: Fixed
Fix Version/s: Heterogeneous Storage (HDFS-2832)
> Use Datanode UUID to identify Datanodes
> ---------------------------------------
>
> Key: HDFS-5233
> URL: https://issues.apache.org/jira/browse/HDFS-5233
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: datanode, namenode
> Affects Versions: Heterogeneous Storage (HDFS-2832)
> Reporter: Arpit Agarwal
> Assignee: Arpit Agarwal
> Fix For: Heterogeneous Storage (HDFS-2832)
>
> Attachments: HDFS-5233.01.patch, HDFS-5233.02.patch
>
>
> StorageID currently identifies both a Datanode and a storage attached to the
> Datanode. Once we start tracking multiple storages per datanode we would like
> to deprecate StorageID in favor of a DatanodeUuid for the datanode and a
> StorageUuid per storage.
> This Jira track replacing StorageID with DatanodeUuid wherever it is used to
> identify a Datanode.
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