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From "Todd Lipcon (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-1936) Updating the layout version from HDFS-1822 causes upgrade problems.
Date Tue, 31 May 2011 20:28:47 GMT

    [ https://issues.apache.org/jira/browse/HDFS-1936?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13041802#comment-13041802
] 

Todd Lipcon commented on HDFS-1936:
-----------------------------------

hmm, I was able to reproduce it reliably the other day, today it's not cooperating. I'll loop
it until it fails.

> Updating the layout version from HDFS-1822 causes upgrade problems.
> -------------------------------------------------------------------
>
>                 Key: HDFS-1936
>                 URL: https://issues.apache.org/jira/browse/HDFS-1936
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: name-node
>    Affects Versions: 0.22.0, 0.23.0
>            Reporter: Suresh Srinivas
>            Assignee: Suresh Srinivas
>            Priority: Blocker
>             Fix For: 0.22.0, 0.23.0
>
>         Attachments: HDFS-1936.3.patch, HDFS-1936.4.patch, HDFS-1936.6.patch, HDFS-1936.6.patch,
HDFS-1936.7.patch, HDFS-1936.8.patch, HDFS-1936.9.patch, HDFS-1936.trunk.patch, hadoop-22-dfs-dir.tgz,
hdfs-1936-with-testcase.txt
>
>
> In HDFS-1822 and HDFS-1842, the layout versions for 203, 204, 22 and trunk were changed.
Some of the namenode logic that depends on layout version is broken because of this. Read
the comment for more description.

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