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https://issues.apache.org/jira/browse/HDFS-7610?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Vinod Kumar Vavilapalli updated HDFS-7610:
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Target Version/s: 2.7.0, 3.0.0 (was: 3.0.0, 2.7.0)
Fix Version/s: 2.6.1
[~sjlee0] backported this to 2.6.1, after fixing minor issues (with java
diamond operator). I just pushed the commit to 2.6.1 after running compilation
and TestFsDatasetImpl which changed in the patch.
> Fix removal of dynamically added DN volumes
> -------------------------------------------
>
> 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
> Labels: 2.6.1-candidate
> Fix For: 2.7.0, 2.6.1
>
> 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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