sam liu created HDFS-7114:
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Summary: Secondary NameNode failed to rollback from 2.4.1 to 2.2.0
Key: HDFS-7114
URL: https://issues.apache.org/jira/browse/HDFS-7114
Project: Hadoop HDFS
Issue Type: Bug
Components: namenode
Affects Versions: 2.2.0
Reporter: sam liu
Priority: Blocker
Can upgrade from 2.2.0 to 2.4.1, but failed to rollback the secondary namenode
with following issue.
2014-09-22 10:41:28,358 FATAL
org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode: Failed to start
secondary namenode
org.apache.hadoop.hdfs.server.common.IncorrectVersionException: Unexpected
version of storage directory /var/hadoop/tmp/hdfs/dfs/namesecondary. Reported:
-56. Expecting = -47.
at
org.apache.hadoop.hdfs.server.common.Storage.setLayoutVersion(Storage.java:1082)
at
org.apache.hadoop.hdfs.server.common.Storage.setFieldsFromProperties(Storage.java:890)
at
org.apache.hadoop.hdfs.server.namenode.NNStorage.setFieldsFromProperties(NNStorage.java:585)
at
org.apache.hadoop.hdfs.server.common.Storage.readProperties(Storage.java:921)
at
org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode$CheckpointStorage.recoverCreate(SecondaryNameNode.java:913)
at
org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode.initialize(SecondaryNameNode.java:249)
at
org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode.<init>(SecondaryNameNode.java:199)
at
org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode.main(SecondaryNameNode.java:652)
2014-09-22 10:41:28,360 INFO org.apache.hadoop.util.ExitUtil: Exiting with
status 1
2014-09-22 10:41:28,363 INFO
org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode: SHUTDOWN_MSG:
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