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https://issues.apache.org/jira/browse/HADOOP-4268?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12796468#action_12796468
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Tsz Wo (Nicholas), SZE commented on HADOOP-4268:
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HADOOP-4268-0_20.2.patch looks good to me. Thanks, Jitendra!
> Permission checking in fsck
> ---------------------------
>
> Key: HADOOP-4268
> URL: https://issues.apache.org/jira/browse/HADOOP-4268
> Project: Hadoop Common
> Issue Type: New Feature
> Affects Versions: 0.17.2
> Reporter: Koji Noguchi
> Assignee: Tsz Wo (Nicholas), SZE
> Fix For: 0.21.0
>
> Attachments: 4268_20081217.patch, 4268_20081218.patch,
> 4268_20081218b.patch, 4268_20081230.patch, HADOOP-4268-0_20.2.patch
>
>
> Quoting from HADOOP-3222 ("fsck should require superuser privilege"),
> bq. I agree that it makes sense to make fsck do permission checking for the
> nodes that it traverses. If a user does a fsck on files/directories that
> he/she has access to (using permissions) then that invocation of fsck should
> be allowed. Since "/" is usually owned by super-user, only super-user should
> be allowed to run fsck on "/".
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