Lei (Eddy) Xu created HDFS-6729:
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Summary: Support maintenance mode for DN
Key: HDFS-6729
URL: https://issues.apache.org/jira/browse/HDFS-6729
Project: Hadoop HDFS
Issue Type: Improvement
Components: datanode
Affects Versions: 2.4.0
Reporter: Lei (Eddy) Xu
We need a maintenance mode for a DN so that maintenance work can be carried out
on the DN without having to decommission it or the DN being marked as dead.
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