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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-8110) Remove unsupported operation , -rollingUpgrade downgrade related information from document
Date Thu, 09 Apr 2015 12:01:12 GMT

    [ https://issues.apache.org/jira/browse/HDFS-8110?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14487257#comment-14487257

Hadoop QA commented on HDFS-8110:

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  against trunk revision 6495940.

    {color:green}+1 @author{color}.  The patch does not contain any @author tags.

    {color:green}+0 tests included{color}.  The patch appears to be a documentation patch
that doesn't require tests.

    {color:green}+1 javac{color}.  The applied patch does not increase the total number of
javac compiler warnings.

    {color:green}+1 javadoc{color}.  There were no new javadoc warning messages.

    {color:green}+1 eclipse:eclipse{color}.  The patch built with eclipse:eclipse.

    {color:green}+1 findbugs{color}.  The patch does not introduce any new Findbugs (version
2.0.3) warnings.

    {color:green}+1 release audit{color}.  The applied patch does not increase the total number
of release audit warnings.

    {color:red}-1 core tests{color}.  The patch failed these unit tests in hadoop-hdfs-project/hadoop-hdfs:


Test results: https://builds.apache.org/job/PreCommit-HDFS-Build/10228//testReport/
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/10228//console

This message is automatically generated.

> Remove unsupported operation , -rollingUpgrade downgrade related information from document
> ------------------------------------------------------------------------------------------
>                 Key: HDFS-8110
>                 URL: https://issues.apache.org/jira/browse/HDFS-8110
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: documentation
>            Reporter: J.Andreina
>            Assignee: J.Andreina
>            Priority: Minor
>         Attachments: HDFS-8110.1.patch
> Support for "-rollingUpgrade downgrade" is been removed as part of HDFS-7302.
> Corresponding information should be removed from document also.
> {noformat}
> Downgrade with Downtime
> Administrator may choose to first shutdown the cluster and then downgrade it. The following
are the steps:
> Shutdown all NNs and DNs.
> Restore the pre-upgrade release in all machines.
> Start NNs with the "-rollingUpgrade downgrade" option.
> Start DNs normally.
> {noformat}

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