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Hazem author-rank
Cloudera Employee

Created ‎11-09-2016 09:51 AM

Hi Kartik,

Have you tried following these steps:

http://www.cloudera.com/documentation/enterprise/5-4-x/topics/admin_nn_migrate_roles.html?scroll=con...

 

Otherwise, if you can bring down HDFS, you can do the following:

1. Stop HDFS service

2. Copy over JN edits from a (good) JN to the (bad) JN. Make sure you get all edits from all dirs (

dfs.journalnode.edits.dir)
3. Start HDFS service
 
Let me know if that works for you.
 

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