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https://issues.apache.org/jira/browse/HDFS-7053?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jing Zhao resolved HDFS-7053.
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Resolution: Invalid
Close this jira as invalid.
> Failed to rollback hdfs version from 2.4.1 to 2.2.0
> ---------------------------------------------------
>
> Key: HDFS-7053
> URL: https://issues.apache.org/jira/browse/HDFS-7053
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: ha, namenode
> Affects Versions: 2.4.1
> Reporter: sam liu
> Priority: Blocker
>
> I can successfully upgrade from 2.2.0 to 2.4.1 with QJM HA enabled and with
> downtime, but failed to rollback from 2.4.1 to 2.2.0. The error message:
> 2014-09-10 16:50:29,599 FATAL
> org.apache.hadoop.hdfs.server.namenode.NameNode: Exception in namenode join
> org.apache.hadoop.HadoopIllegalArgumentException: Invalid startup option.
> Cannot perform DFS upgrade with HA enabled.
> at
> org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:1207)
> at
> org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:1320)
> 2014-09-10 16:50:29,601 INFO org.apache.hadoop.util.ExitUtil: Exiting with
> status 1
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