Try running fsck, it will also validate the block placement as well as
replication.
On Jun 27, 2014 6:49 AM, "Kilaru, Sambaiah" <[email protected]>
wrote:

>  My topology script is working fine for data I am writing to hdfs. My
> question is how to make the
> Existing data topoloy compaliant?
>
>  Thanks,
> sam
>
>   From: karthikeyan S <[email protected]>
> Reply-To: "[email protected]" <[email protected]>
> Date: Thursday, June 26, 2014 at 8:23 PM
> To: "[email protected]" <[email protected]>
> Subject: Re: How to make hdfs data rack aware
>
>   Hi
>
> Did you try supplying the script name in hdfs-site.xml as the value for
> the parameter topology.script.file.name?
>
> Thanks
>
> Karthik
> On Jun 26, 2014 6:02 AM, "Kilaru, Sambaiah" <[email protected]>
> wrote:
>
>>  Hi All,
>>
>>  We setup a cluster with out rackawareness, now that we got right
>> rackawreness script, we wanted to
>> Make sure data is rack aware.
>> How we make sure existing data is rack aware and NN should move copies if
>> all of them are in the
>> Same rack?
>>
>>  Thanks,
>> Sam
>>
>

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