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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-1955) FSImage.doUpgrade() was made too fault-tolerant by HDFS-1826
Date Thu, 30 Jun 2011 18:55:29 GMT

    [ https://issues.apache.org/jira/browse/HDFS-1955?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13057982#comment-13057982
] 

Hudson commented on HDFS-1955:
------------------------------

Integrated in Hadoop-Hdfs-trunk-Commit #769 (See [https://builds.apache.org/job/Hadoop-Hdfs-trunk-Commit/769/])
    HDFS-1955. FSImage.doUpgrade() was made too fault-tolerant by HDFS-1826. Contributed by
Matt Foley.

mattf : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1141658
Files : 
* /hadoop/common/trunk/hdfs/CHANGES.txt
* /hadoop/common/trunk/hdfs/src/test/hdfs/org/apache/hadoop/hdfs/TestDFSUpgrade.java
* /hadoop/common/trunk/hdfs/src/java/org/apache/hadoop/hdfs/server/namenode/FSImage.java
* /hadoop/common/trunk/hdfs/src/java/org/apache/hadoop/hdfs/server/namenode/FSEditLog.java
* /hadoop/common/trunk/hdfs/src/java/org/apache/hadoop/hdfs/server/namenode/NNStorage.java


> FSImage.doUpgrade() was made too fault-tolerant by HDFS-1826
> ------------------------------------------------------------
>
>                 Key: HDFS-1955
>                 URL: https://issues.apache.org/jira/browse/HDFS-1955
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: name-node
>    Affects Versions: 0.22.0, 0.23.0
>            Reporter: Matt Foley
>            Assignee: Matt Foley
>             Fix For: 0.23.0
>
>         Attachments: hdfs-1955_1.patch, hdfs-1955_1.patch, hdfs-1955_2.patch
>
>
> Prior to HDFS-1826, doUpgrade() would fail if any of the storage directories failed to
successfully write the new fsimage or edits files.
> Now it appears to "succeed" even if some or all of the individual directories fail.
> There is some discussion about whether doUpgrade() should have some fault tolerance,
but for now make it fail on any single storage directory failure, as before.

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