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hdfs_dfsadmin [2015/09/11 11:04] steve |
hdfs_dfsadmin [2016/04/18 18:22] steve |
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* [[Hadoop]] | * [[Hadoop]] | ||
- | * [[hdfs]] | + | * [[HDFS]] |
+ | |||
+ | * [[https://developer.yahoo.com/hadoop/tutorial/module2.html#admincommandref|HDFS dfsadmin Command Reference]] | ||
** Put the cluster in Safemode: ** | ** Put the cluster in Safemode: ** | ||
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<code> | <code> | ||
hdfs dfsadmin -safemode enter | hdfs dfsadmin -safemode enter | ||
- | </code> | ||
- | |||
- | ** Generate a list of DataNodes: ** | ||
- | |||
- | <code> | ||
- | hdfs dfsadmin -report | ||
</code> | </code> | ||