sam liu created HDFS-7053:
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Summary: 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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