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From "Ewan Higgs (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-11673) [READ] Handle failures of Datanodes with PROVIDED storage
Date Thu, 04 May 2017 11:38:04 GMT

    [ https://issues.apache.org/jira/browse/HDFS-11673?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15996596#comment-15996596
] 

Ewan Higgs commented on HDFS-11673:
-----------------------------------

I reproduced the patch problem that jenkins had:

{code}
$ patch -p1 <../patches/HDFS-11673-HDFS-9806.001.patch 
patching file hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockInfo.java
patching file hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockManager.java
patching file hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockProvider.java
patching file hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/DatanodeStorageInfo.java
patching file hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/ProvidedStorageMap.java
Hunk #4 succeeded at 282 (offset -3 lines).
Hunk #5 succeeded at 379 (offset -3 lines).
Hunk #6 succeeded at 407 (offset -3 lines).
patching file hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestGetBlocks.java
patching file hadoop-tools/hadoop-fs2img/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestNameNodeProvidedImplementation.java
Hunk #2 FAILED at 35.
Hunk #3 succeeded at 350 with fuzz 2 (offset -36 lines).
1 out of 3 hunks FAILED -- saving rejects to file hadoop-tools/hadoop-fs2img/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestNameNodeProvidedImplementation.java.rej
{code}

> [READ] Handle failures of Datanodes with PROVIDED storage
> ---------------------------------------------------------
>
>                 Key: HDFS-11673
>                 URL: https://issues.apache.org/jira/browse/HDFS-11673
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Virajith Jalaparti
>         Attachments: HDFS-11673-HDFS-9806.001.patch
>
>
> Blocks on {{PROVIDED}} storage should become unavailable if and only if all Datanodes
that are configured with {{PROVIDED}} storage become unavailable. Even if one Datanode with
{{PROVIDED}} storage is available, all blocks on the {{PROVIDED}} storage should be accessible.



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