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Where does CDH5 store the list of data nodes?

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author-rank abhishes
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Created on ‎12-15-2014 10:33 AM - edited ‎09-16-2022 02:15 AM

I have built and existing demo cluster. It was working perfectly well.

 

however because of some changes, I have to change the IP address of each of the data nodes.

 

I did a grep -R 'oldIP' /etc on each machine and edited the files which contained the old IP addresses and replaced them with new IP.

 

I rebooted each machine.

 

However despite doing that when I do

 

sudo -u hdfs hadoop dfsadmin -report

 

it shows me 2 dead data nodes and it lists the old IP addresses.

 

How can I remove old IP and then replace them with new IP addresses?

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