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MapReduce >> mail # user >> Cluster lost IP addresses

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Re: Cluster lost IP addresses
it has issues, namenode save blockid->nodes, using ip addr if your slaves
config file using ip addr instead of hostname.
On Mar 23, 2013 10:14 AM, "Balaji Narayanan (பாலாஜி நாராயணன்)" <

> 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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