Le 8 juin 2012 à 20:50, aaron morton a écrit :

> Are the old machines listed in the seed list on the new ones ?

No they don't.

The first of my old node was, when I was "migrating". But not anymore.

Nicolas


> Cheers
> 
> -----------------
> Aaron Morton
> Freelance Developer
> @aaronmorton
> http://www.thelastpickle.com
> 
> On 9/06/2012, at 12:10 AM, Nicolas Lalevée wrote:
> 
>> I had a configuration where I had 4 nodes, data-1,4. We then bought 3 bigger 
>> machines, data-5,7. And we moved all data from data-1,4 to data-5,7.
>> To move all the data without interruption of service, I added one new node 
>> at a time. And then I removed one by one the old machines via a "remove 
>> token".
>> 
>> Everything was working fine. Until there was an expected load on our 
>> cluster, the machine started to swap and become unresponsive. We fixed the 
>> unexpected load and the three new machines were restarted. After that the 
>> new cassandra machines were stating that some old token were not assigned, 
>> namely from data-2 and data-4. To fix this I issued again some "remove 
>> token" commands.
>> 
>> Everything seems to be back to normal, but on the network I still see some 
>> packet from the new cluster to the old machines. On the port 7000.
>> How I can tell cassandra to completely forget about the old machines ?
>> 
>> Nicolas
>> 
> 

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