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https://issues.apache.org/jira/browse/HDFS-7610?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14285136#comment-14285136
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Colin Patrick McCabe commented on HDFS-7610:
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+1. Thanks, [~eddyxu].
> Should use StorageDirectory.getCurrentDIr() to construct FsVolumeImpl
> ---------------------------------------------------------------------
>
> Key: HDFS-7610
> URL: https://issues.apache.org/jira/browse/HDFS-7610
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: datanode
> Affects Versions: 2.6.0
> Reporter: Lei (Eddy) Xu
> Assignee: Lei (Eddy) Xu
> Attachments: HDFS-7610.000.patch, HDFS-7610.001.patch
>
>
> In the hot swap feature, {{FsDatasetImpl#addVolume}} uses the base volume dir
> (e.g. "{{/foo/data0}}", instead of volume's current dir
> "{{/foo/data/current}}" to construct {{FsVolumeImpl}}. As a result, DataNode
> can not remove this newly added volume, because its
> {{FsVolumeImpl#getBasePath}} returns "{{/foo}}".
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