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From Ravi Prakash <ravi...@ymail.com>
Subject Re: LVM to JBOD conversion without data loss
Date Tue, 13 May 2014 06:01:29 GMT

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One way I can think of is decomissioning the nodes and then basically
re-imaging it however you want to. Is that not an option?

On 05/12/14 00:18, Bharath Kumar wrote:
> Hi I am a query regarding JBOD ,
>
> I sit possible to migrate from LVM to JBOD without loosing data ? Is there
> any reference documentation ?
>
> The steps which i can think of is
>
> 1) reduce the replication
>
> 2) change the hdfs-site.xml in namenode
>
> 3) add the data node back with new JBOD directory structure for haddop
>
> 4) rebalance the cluster
>
> repeat 1 -4 for all data nodes is the steps correct ?
>

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