Differences
This shows you the differences between two versions of the page.
| Both sides previous revision Previous revision Next revision | Previous revision | ||
|
hdfs_dfsadmin [2015/09/08 15:10] steve old revision restored (2015/09/08 21:06) |
hdfs_dfsadmin [2016/04/18 18:22] steve |
||
|---|---|---|---|
| Line 2: | Line 2: | ||
| * [[Hadoop]] | * [[Hadoop]] | ||
| - | * [[hdfs]] | + | * [[HDFS]] |
| - | * [[dfs]] | + | |
| + | * [[https://developer.yahoo.com/hadoop/tutorial/module2.html#admincommandref|HDFS dfsadmin Command Reference]] | ||
| ** Put the cluster in Safemode: ** | ** Put the cluster in Safemode: ** | ||
| Line 9: | Line 10: | ||
| <code> | <code> | ||
| hdfs dfsadmin -safemode enter | hdfs dfsadmin -safemode enter | ||
| - | </code> | ||
| - | |||
| - | ** Generate a list of DataNodes: ** | ||
| - | |||
| - | <code> | ||
| - | hdfs dfsadmin -report | ||
| </code> | </code> | ||
| Line 27: | Line 22: | ||
| <code> | <code> | ||
| hdfs dfsadmin -report | hdfs dfsadmin -report | ||
| + | </code> | ||
| + | |||
| + | ** Check the status of the nodes in the rack ** | ||
| + | |||
| + | <code> | ||
| + | hdfs dfsadmin -printTopology | ||
| </code> | </code> | ||
