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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-7722) DataNode#checkDiskError should also remove Storage when error is found.
Date Thu, 12 Mar 2015 02:58:38 GMT

    [ https://issues.apache.org/jira/browse/HDFS-7722?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14358032#comment-14358032
] 

Hadoop QA commented on HDFS-7722:
---------------------------------

{color:green}+1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12704044/HDFS-7722.004.patch
  against trunk revision 7a346bc.

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

    {color:green}+1 tests included{color}.  The patch appears to include 6 new or modified
test files.

    {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:green}+1 core tests{color}.  The patch passed unit tests in hadoop-hdfs-project/hadoop-hdfs.

Test results: https://builds.apache.org/job/PreCommit-HDFS-Build/9846//testReport/
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/9846//console

This message is automatically generated.

> DataNode#checkDiskError should also remove Storage when error is found.
> -----------------------------------------------------------------------
>
>                 Key: HDFS-7722
>                 URL: https://issues.apache.org/jira/browse/HDFS-7722
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: datanode
>    Affects Versions: 2.6.0
>            Reporter: Lei (Eddy) Xu
>            Assignee: Lei (Eddy) Xu
>         Attachments: HDFS-7722.000.patch, HDFS-7722.001.patch, HDFS-7722.002.patch, HDFS-7722.003.patch,
HDFS-7722.004.patch
>
>
> When {{DataNode#checkDiskError}} found disk errors, it removes all block metadatas from
{{FsDatasetImpl}}. However, it does not removed the corresponding {{DataStorage}} and {{BlockPoolSliceStorage}}.

> The result is that, we could not directly run {{reconfig}} to hot swap the failure disks
without changing the configure file.



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