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From "Lei (Eddy) Xu (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-7610) Should use StorageDirectory.getCurrentDIr() to construct FsVolumeImpl
Date Tue, 20 Jan 2015 21:47:34 GMT

     [ https://issues.apache.org/jira/browse/HDFS-7610?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Lei (Eddy) Xu updated HDFS-7610:
--------------------------------
    Attachment: HDFS-7610.001.patch

[~cmccabe] Thanks for reviewing.

I have updated the patch to address your comments above.

> 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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