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Adding new storage directories to existing Datanodes

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desind
Expert Contributor

Created on ‎10-01-2018 01:35 PM - last edited on ‎10-05-2018 09:13 AM by Community Manager Community Manager

I plan to expand my HDFS cluster by adding new volumes to existing datanodes. 

 

1. Do i need to stop the data node before making any change to dfs.data.dir, dfs.datanode.data.dir ? 

 

Can i make the change in CM and do rolling restart ?

 

 

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Harsh J
Master Guru

Created ‎10-01-2018 01:46 PM

The answer to both questions is yes.
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