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https://issues.apache.org/jira/browse/HADOOP-4014?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12639151#action_12639151
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Konstantin Shvachko commented on HADOOP-4014:
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Nicholas, I don't care about windows customers. I care about fsutil. WinXP and
all later versions support fsutil, while earlier versions do not. Without
fsutil there is no way to create hard links in Windows. And this is why the
name contain XP in it. Probably more correct name would be
OS_TYPE_WIN_SUPPOTING_FSUTIL, but it is confusing.
TestJobQueueInformation fails because of HADOOP-4378.
> 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
> Assignee: Konstantin Shvachko
> Priority: Blocker
> Fix For: 0.19.0
>
> Attachments: HADOOP-4014.patch, HardLinkWin.patch, HardLinkWin.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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