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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-2285) BackupNode should reject requests trying to modify namespace
Date Sun, 11 Sep 2011 01:45:09 GMT

    [ https://issues.apache.org/jira/browse/HDFS-2285?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13102191#comment-13102191
] 

Hudson commented on HDFS-2285:
------------------------------

Integrated in Hadoop-Hdfs-22-branch #83 (See [https://builds.apache.org/job/Hadoop-Hdfs-22-branch/83/])
    HDFS-2285. BackupNode should reject requests to modify namespace. Contributed by Konstantin
Shvachko.

shv : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1167608
Files : 
* /hadoop/common/branches/branch-0.22/hdfs/CHANGES.txt
* /hadoop/common/branches/branch-0.22/hdfs/src/java/org/apache/hadoop/hdfs/server/namenode/BackupNode.java
* /hadoop/common/branches/branch-0.22/hdfs/src/java/org/apache/hadoop/hdfs/server/namenode/BackupStorage.java
* /hadoop/common/branches/branch-0.22/hdfs/src/java/org/apache/hadoop/hdfs/server/namenode/FSDirectory.java
* /hadoop/common/branches/branch-0.22/hdfs/src/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java
* /hadoop/common/branches/branch-0.22/hdfs/src/test/hdfs/org/apache/hadoop/hdfs/server/namenode/TestBackupNode.java


> BackupNode should reject requests trying to modify namespace
> ------------------------------------------------------------
>
>                 Key: HDFS-2285
>                 URL: https://issues.apache.org/jira/browse/HDFS-2285
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: name-node
>    Affects Versions: 0.22.0
>            Reporter: Konstantin Shvachko
>            Assignee: Konstantin Shvachko
>             Fix For: 0.22.0
>
>         Attachments: BNsafemode.patch
>
>
> I am trying to remove file from BackupNode using
> {code}hadoop fs -fs hdfs://backup.node.com:50100 -rm /README.txt{code}
> which is supposed to fail. But it seems to be hanging forever.
> Needs some investigation. It used to throw SafeModeException if I remember correctly.

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