Setting up a new test cluster using 2.0.0-beta1 and I noticed the following behaviour with vnodes turned on.
I bring up one node all well and good. however if I bring up a second node, that can't contact the first (the first being the seed for the second) after a short period of time, the second goes ahead and assumes it's the only node and bootstraps with all tokens.
NOTE also this email from Robert Coli
Obviously if you have defined a seed and cannot contact it, the node should not start as a cluster of one. I have a to-do list item to file a JIRA on the subject, but if you wanted to file and link us, that'd be super.
Startup trace (from the can't contact the seed messages below).