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Posted to hdfs-issues@hadoop.apache.org by "Lei (Eddy) Xu (JIRA)" <ji...@apache.org> on 2014/09/30 23:25:35 UTC

[jira] [Created] (HDFS-7173) Only keep successfully loaded volumes in the configuration.

Lei (Eddy) Xu created HDFS-7173:
-----------------------------------

             Summary: Only keep successfully loaded volumes in the configuration.
                 Key: HDFS-7173
                 URL: https://issues.apache.org/jira/browse/HDFS-7173
             Project: Hadoop HDFS
          Issue Type: Sub-task
          Components: datanode
    Affects Versions: 3.0.0, 2.6.0
            Reporter: Lei (Eddy) Xu
            Assignee: Lei (Eddy) Xu


Hot swapping data volumes might fail. The user should be able to fix the failed volumes and disks, then ask the {{DataNode}} to retry the previously failed volumes. 

To attempt to reload the failed volume again on the same directory, this failed directory must not be presented in the {{Configuration}} object that {{DataNode has}}. Therefore, it should only put successfully loaded volumes into the {{Configuration}} object.



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