HA: NN should not start with upgrade option or with a pending an unfinalized
upgrade
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Key: HDFS-2952
URL: https://issues.apache.org/jira/browse/HDFS-2952
Project: Hadoop HDFS
Issue Type: Sub-task
Components: ha, name-node
Affects Versions: HA branch (HDFS-1623)
Reporter: Aaron T. Myers
Assignee: Aaron T. Myers
For simplicity, we should require that upgrades be done with HA disabled. We
might support this in future versions.
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