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https://issues.apache.org/jira/browse/HDFS-6103?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13935892#comment-13935892
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jun aoki commented on HDFS-6103:
--------------------------------
Hi [~ajisakaa], thank you for clarifying. I'm using bigtop.
Let's focus on StartupOption.UPGRADE in this ticket.
> FSImage file system image version check throw a (slightly) wrong parameter.
> ---------------------------------------------------------------------------
>
> Key: HDFS-6103
> URL: https://issues.apache.org/jira/browse/HDFS-6103
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: namenode
> Affects Versions: 2.2.0
> Reporter: jun aoki
> Priority: Trivial
>
> Trivial error message issue:
> When upgrading hdfs, say from 2.0.5 to 2.2.0, users will need to start
> namenode with "upgrade" option.
> e.g.
> {code}
> sudo service namenode upgrade
> {code}
> That said, the actual error while without the option said "-upgrade" (with a
> hyphen)
> {code}
> 2014-03-13 23:38:15,488 FATAL
> org.apache.hadoop.hdfs.server.namenode.NameNode: Exception in namenode join
> java.io.IOException:
> File system image contains an old layout version -40.
> An upgrade to version -47 is required.
> Please restart NameNode with -upgrade option.
> at
> org.apache.hadoop.hdfs.server.namenode.FSImage.recoverTransitionRead(FSImage.java:221)
> at
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.loadFSImage(FSNamesystem.java:787)
> at
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.loadFromDisk(FSNamesystem.java:568)
> at
> org.apache.hadoop.hdfs.server.namenode.NameNode.loadNamesystem(NameNode.java:443)
> at
> org.apache.hadoop.hdfs.server.namenode.NameNode.initialize(NameNode.java:491)
> at
> org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:684)
> at
> org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:669)
> at
> org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:1254)
> at
> org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:1320)
> 2014-03-13 23:38:15,492 INFO org.apache.hadoop.util.ExitUtil: Exiting with
> status 1
> 2014-03-13 23:38:15,493 INFO org.apache.hadoop.hdfs.server.namenode.NameNode:
> SHUTDOWN_MSG:
> /************************************************************
> SHUTDOWN_MSG: Shutting down NameNode at nn1/192.168.2.202
> ************************************************************/
> ~
> {code}
> I'm referring to 2.0.5 above,
> https://github.com/apache/hadoop-common/blob/branch-2.0.5/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSImage.java#L225
> I haven't tried the trunk but it seems to return "UPGRADE" (all upper case)
> which again anther slightly wrong error description.
> https://github.com/apache/hadoop-common/blob/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSImage.java#L232
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