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https://issues.apache.org/jira/browse/HDFS-3277?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13602527#comment-13602527
]
Hudson commented on HDFS-3277:
------------------------------
Integrated in Hadoop-trunk-Commit #3472 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/3472/])
HDFS-3277. fail over to loading a different FSImage if the first one we try
to load is corrupt. Contributed by Colin Patrick McCabe and Andrew Wang.
(Revision 1456578)
Result = SUCCESS
atm : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1456578
Files :
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSImage.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSImageFormat.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSImagePreTransactionalStorageInspector.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSImageStorageInspector.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSImageTransactionalStorageInspector.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/LogVerificationAppender.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSUpgradeFromImage.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/blockmanagement/TestReplicationPolicy.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/FSImageTestUtil.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestFSImageStorageInspector.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestStartup.java
> fail over to loading a different FSImage if the first one we try to load is
> corrupt
> -----------------------------------------------------------------------------------
>
> Key: HDFS-3277
> URL: https://issues.apache.org/jira/browse/HDFS-3277
> Project: Hadoop HDFS
> Issue Type: Bug
> Affects Versions: 3.0.0
> Reporter: Colin Patrick McCabe
> Assignee: Andrew Wang
> Attachments: HDFS-3277.002.patch, HDFS-3277.003.patch,
> HDFS-3277.004.patch, HDFS-3277.005.patch, HDFS-3277.006.patch
>
>
> Most users store multiple copies of the FSImage in order to prevent
> catastrophic data loss if a hard disk fails. However, our image loading code
> is currently not set up to start reading another FSImage if loading the first
> one does not succeed. We should add this capability.
> We should also be sure to remove the FSImage directory that failed from the
> list of FSImage directories to write to, in the way we normally do when a
> write (as opopsed to read) fails.
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