Lei (Eddy) Xu created HDFS-7610:
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Summary: 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
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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