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 >> >