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MapReduce, mail # user - Cluster lost IP addresses


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Re: Cluster lost IP addresses
Balaji Narayanan 2013-03-23, 02:14
Assuming you are using hostnAmes and not ip address in your config
files What happens when you start the cluster? If you are using IP address
in your configs just update them and start. It should work with no issues.

On Friday, March 22, 2013, John Meza wrote:

> I have a 18 node cluster that had to be physically moved.
> Unfortunately all the ip addresses were lost (recreated).
>
> This must have happened to someone before.
> Nothing else on the machines has been changed. Most importantly the data
> in HDFS is still sitting there.
>
> Is there a way to recover this cluster to a useable state?
> thanks
> John
>
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