Create scripts to decommission datanodes
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Key: HDFS-1811
URL: https://issues.apache.org/jira/browse/HDFS-1811
Project: Hadoop HDFS
Issue Type: Improvement
Reporter: Owen O'Malley
Assignee: Erik Steffl
Create scripts to decommission datanodes:
- distribute exclude file
- input is location of exclude file
- location on namenodes: hdfs getconf -excludeFile
- list of namenodes: hdfs getconf -namenodes
- scp excludes files to all namenodes
- refresh namenodes
- list of namenodes: hdfs getconf -namenodes
- refresh namenodes: hdfs dfsadmin -refreshNodes
Two scripts are needed because each of them might require different permissions.
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