if you have N nodes in your cluster, add N new nodes using the new hardware, then decommision the old N nodes.
(and migrate to VPC like dean said) On Wed, Oct 10, 2012 at 5:23 AM, Hiller, Dean <dean.hil...@nrel.gov> wrote: > Well, you could use amazon VPC in which case you DO pick the IP yourself > ;)….it makes life a bit easier. > > Dean > > From: Martin Koch <m...@issuu.com<mailto:m...@issuu.com>> > Reply-To: "user@cassandra.apache.org<mailto:user@cassandra.apache.org>" > <user@cassandra.apache.org<mailto:user@cassandra.apache.org>> > Date: Wednesday, October 10, 2012 3:29 AM > To: "user@cassandra.apache.org<mailto:user@cassandra.apache.org>" > <user@cassandra.apache.org<mailto:user@cassandra.apache.org>> > Subject: Upgrading hardware on a node in a cluster > > Hi List > > I'd like to migrate my nodes in a cluster to new hardware, moving one node at > a time. > > I'm running the cluster in Amazon, so I don't get to pick the ip number of > each host myself. > > I'd like to decommision, say, the node with token 0, and bring that node up > on the new hardware (which will have a new IP number). > > Can anyone provide me with a recipe for doing this? I've looked around and > read about nodetool move, which didn't make me much wiser. > > Thanks for your help, > /Martin Koch - Issuu - Senior Systems Architect
