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From Serge Blazhiyevskyy <Serge.Blazhiyevs...@nice.com>
Subject Re: namenode migration
Date Wed, 26 Sep 2012 18:14:12 GMT
This is common procedure for cases when you need to promote secondary name node to become the
primary one.

Here is the exact steps:

http://askhadoop.blogspot.com/2011/12/mapreduce-filesystem-recovery.html


Basically, you need to have the latest filesystem checkpoint and that’s it.

Straight forward!

Serge




From: Visioner Sadak <visioner.sadak@gmail.com<mailto:visioner.sadak@gmail.com>>
Reply-To: "user@hadoop.apache.org<mailto:user@hadoop.apache.org>" <user@hadoop.apache.org<mailto:user@hadoop.apache.org>>
Date: Tuesday, September 25, 2012 11:58 PM
To: "user@hadoop.apache.org<mailto:user@hadoop.apache.org>" <user@hadoop.apache.org<mailto:user@hadoop.apache.org>>
Subject: namenode migration

Hello friends can anyone tell abt migrating namenode from one ip to another wht kind of backups
will i have to take for migrating to a totally new server...

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