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 >
