Yes, or decomission the old one and build anew after new one is operational
“All men dream, but not equally. Those who dream by night in the dusty recesses of their minds wake up in the day to find it was vanity, but the dreamers of the day are dangerous men, for they may act their dreams with open eyes, to make it possible.” — T.E. Lawrence sent from my mobile Daemeon Reiydelle skype daemeon.c.m.reiydelle USA 415.501.0198 On May 18, 2017 8:20 AM, "Chuck Reynolds" <creyno...@ancestry.com> wrote: > I have a need to create another datacenter and upgrade my existing > Cassandra from 2.1.13 to Cassandra 3.0.9. > > > > Can I do this as one step? Create a new Cassandra ring that is version > 3.0.9 and replicate the data from an existing ring that is Cassandra 2.1.13? > > > > After replicating to the new ring if possible them I would upgrade the old > ring to Cassandra 3.0.9 >