You didn't mention which version you're upgrading to, but generally you
shouldn't add or
remove nodes while the nodes your cluster is not all on on the same version. So
if you're
going to add nodes, you should do that before you upgrade the first node, or
after you have
upgraded all of them.
Hello, newbie here.
Currently we are using Cassandra v2.2.1 (two DCs, naming them DC1, DC2,
respectively), and recently we have two issues:
1. Cannot adding new node due to CASSANDRA-10961
2. Cannot repair node, due to CASSANDRA-10501
We learned that we can do rolling upgrade, since we are only