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https://issues.apache.org/jira/browse/HDFS-4348?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Harsh J resolved HDFS-4348.
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Resolution: Duplicate
> backup node document bug of 1.x
> -------------------------------
>
> Key: HDFS-4348
> URL: https://issues.apache.org/jira/browse/HDFS-4348
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: documentation
> Affects Versions: 1.0.4
> Reporter: andy zhou
> Labels: documentation
>
> http://hadoop.apache.org/docs/r1.0.4/hdfs_user_guide.html#Backup+Node
> the document write:
> The Backup node is configured in the same manner as the Checkpoint node. It
> is started with bin/hdfs namenode -checkpoint
> but hadoop 1.0.4 there is no hdfs file:
> [zhouhh@Hadoop48 hadoop-1.0.4]$ ls bin
> hadoop hadoop-daemons.sh start-all.sh
> start-jobhistoryserver.sh stop-balancer.sh stop-mapred.sh
> hadoop-config.sh rcc start-balancer.sh start-mapred.sh
> stop-dfs.sh task-controller
> hadoop-daemon.sh slaves.sh start-dfs.sh stop-all.sh
> stop-jobhistoryserver.sh
> [zhouhh@Hadoop48 hadoop-1.0.4]$ find . -name hdfs
> ./webapps/hdfs
> ./src/webapps/hdfs
> ./src/test/org/apache/hadoop/hdfs
> ./src/test/system/aop/org/apache/hadoop/hdfs
> ./src/test/system/java/org/apache/hadoop/hdfs
> ./src/hdfs
> ./src/hdfs/org/apache/hadoop/hdfs
> 1.x does not support backup node, so there is a bug
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