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https://issues.apache.org/jira/browse/HADOOP-10462?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Akira AJISAKA updated HADOOP-10462:
-----------------------------------

    Attachment: HADOOP-10462.3.patch

Attaching a patch that separates  {{TestDFVariations#TestMountAndFileSystem}} 
and removes unused import from {{DF}} and {{TestDFVariations}}.

> DF#getFilesystem is not parsing the command output
> --------------------------------------------------
>
>                 Key: HADOOP-10462
>                 URL: https://issues.apache.org/jira/browse/HADOOP-10462
>             Project: Hadoop Common
>          Issue Type: Bug
>    Affects Versions: 2.3.0
>            Reporter: Akira AJISAKA
>            Assignee: Akira AJISAKA
>         Attachments: HADOOP-10462.3.patch, HDFS-6073.2.patch, HDFS-6073.patch
>
>
> {{DF#getFileSystem}} returns null if {{DF#getMount}} is not called before. 
> This is because {{DF#getFileSystem}} is not parsing the df command output.
> This causes {{NameNodeResourceChecker}} to print the log as follows if the 
> available space on the volume used for saving fsimage is less than the 
> specified value (100MB by default).
> {code}
> Space available on volume 'null' is 92274688, which is below the configured 
> reserved amount 104857600
> {code}



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