Hi guys. Thanks for your reply.
Is this because the versions are very far from each other (e.g. Different major versions) Or as a rule of thumb, all nodes in a cluster, even in different DC's MUST have the same version? Regards Carlos Alonso | Software Engineer | @calonso <https://twitter.com/calonso> On 28 September 2015 at 19:13, Robert Coli <rc...@eventbrite.com> wrote: > On Mon, Sep 28, 2015 at 5:29 AM, Carlos Alonso <i...@mrcalonso.com> wrote: > >> I have a very old cassandra cluster 1.2.19 and I'm looking to add a new >> datacenter to it for analytics purposes in a newer version, let's say >> 2.1.8. Will those DC's communicate properly? >> > > As Jonathan suggests : > > 1) Upgrade your existing cluster to 2.1.X > 2) Then add an additional DC for analytics > > =Rob > >
