Here (https://github.com/apache/cassandra/blob/cassandra-3.0/NEWS.txt) is stated that the minimum supported version for the 2.2.X branch is 2.2.2.
On Fri, May 19, 2017 at 2:16 PM, Nicolas Guyomar <nicolas.guyo...@gmail.com> wrote: > Hi Xihui, > > I was looking for this documentation also, but I believe datastax removed > it, and it is not available yet on the apache website > > As far as I remember, intermediate version was needed if C* Version < > 2.1.7. > > You should be safe starting from 2.2.6, but testing the upgrade on a > dedicated platform is always a good idea. > > Nicolas > > On 19 May 2017 at 09:02, Xihui He <xihu...@gmail.com> wrote: > >> Hi All, >> >> We are planning to upgrade our production cluster to 3.x, but I can't >> find the upgrade guide anymore. >> Can I upgrade to 3.0.13 from 2.2.6 directly? Is a interim version >> necessary? >> >> Thanks, >> Xihui >> > >