Yes. Here are the steps. You will have to change the DC Names first. DC1 and DC2 would be independent clusters.
Create a new DC, DC3 and include these two DC's on DC3. This should work well. On Thu, Mar 17, 2016 at 11:03 PM, Clint Martin < clintlmar...@coolfiretechnologies.com> wrote: > When you say you have two logical DC both with the same name are you > saying that you have two clusters of servers both with the same DC name, > nether of which currently talk to each other? IE they are two separate > rings? > > Or do you mean that you have two keyspaces in one cluster? > > Or? > > Clint > On Mar 14, 2016 2:11 AM, "Anishek Agarwal" <anis...@gmail.com> wrote: > >> Hello, >> >> We are using cassandra 2.0.17 and have two logical DC having different >> Keyspaces but both having same logical name DC1. >> >> we want to setup another cassandra cluster for analytics which should get >> data from both the above DC. >> >> if we setup the new DC with name DC2 and follow the steps >> https://docs.datastax.com/en/cassandra/2.0/cassandra/operations/ops_add_dc_to_cluster_t.html >> will it work ? >> >> I would think we would have to first change the names of existing >> clusters to have to different names and then go with adding another dc >> getting data from these? >> >> Also as soon as we add the node the data starts moving... this will all >> be only real time changes done to the cluster right ? we still have to do >> the rebuild to get the data for tokens for node in new cluster ? >> >> Thanks >> Anishek >> > -- "In this world, you either have an excuse or a story. I preferred to have a story"
