Help information of refreshNodes does not show how to decomission nodes
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Key: HADOOP-5778
URL: https://issues.apache.org/jira/browse/HADOOP-5778
Project: Hadoop Core
Issue Type: Bug
Components: dfs
Affects Versions: 0.19.1
Environment: hadoop 0.19.1, jdk 1.6, CentOS 5.2
Reporter: Wang Xu
Assignee: Wang Xu
Fix For: 0.19.2
The help information does not indicate how to decommission nodes.
It only describes two scenarios:
* to stop nodes if not in dfs.hosts
* stop decommissioning if node is decommissioning and in both dfs.hosts and
dfs.host.exclude
but omits this one:
* starting decommissioning if node is in service and in both dfs.hosts and
dfs.host.exclude
It would better describe as "Each entry defined in dfs.hosts and also
in dfs.host.exclude is start decommissioning and start block replication
if it is in service, or is stopped from decommissioning if it has already
been marked for decommission."
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