[jira] Commented: (HADOOP-4014) DFS upgrade fails on Windows

["Konstantin Shvachko (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HADOOP-4014?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12628236#action_12628236 ] 

Konstantin Shvachko commented on HADOOP-4014:
---------------------------------------------

I'd rather introduce a static member {{OSType osType;}} and use it to verify in which order the arguments should be set in the command line.
{{osType}} should replace {{osName}} with the latter becoming a local variable of {{getOSType()}}.
You effectively do the same by comparing command name is "fsutil". Checking osType seems to be cleaner.
"XpP" - is a good catch. 
Did you really try it on Vista?


> DFS upgrade fails on Windows
> ----------------------------
>
>                 Key: HADOOP-4014
>                 URL: https://issues.apache.org/jira/browse/HADOOP-4014
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: fs
>    Affects Versions: 0.18.0
>         Environment: Windows XP, Windows 2003 Server
>            Reporter: NOMURA Yoshihide
>         Attachments: HADOOP-4014.patch
>
>
> FileUtil.HardLink#createHardLink() didn't work on Windows, and DFS upgrade of Datanode fails.
> The windows command 'fsutil' requires the arguments link name first as follows,
> > fsutil hardlink create <link name> <target>
> But the current FileUtil passes the target first.

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