Upgrade to federated namespace fails
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Key: HDFS-1919
URL: https://issues.apache.org/jira/browse/HDFS-1919
Project: Hadoop HDFS
Issue Type: Bug
Components: name-node
Affects Versions: 0.23.0
Reporter: Todd Lipcon
Priority: Blocker
Fix For: 0.23.0
I formatted a namenode running off 0.22 branch, and trying to start it on trunk
yields:
org.apache.hadoop.hdfs.server.common.InconsistentFSStateException: Directory
/tmp/name1 is in an inconsistent state: file VERSION has clusterID mising.
It looks like 0.22 has LAYOUT_VERSION -33, but trunk has
LAST_PRE_FEDERATION_LAYOUT_VERSION = -30, which is incorrect.
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