I've seen this before, when I tried to be clever and add nodes of a different major version into a cluster. Any chance that's what's happening here?
> On Feb 25, 2015, at 4:52 PM, Robert Coli <rc...@eventbrite.com> wrote: > >> On Wed, Feb 25, 2015 at 3:38 PM, Batranut Bogdan <batra...@yahoo.com> wrote: >> I have a new node that I want to add to the ring. The problem is that >> nodetool says UJ I have left it for several days and the status has not >> changed. In Opscenter it is "seen" as in an unknown cluster. > > If I were you, I would do the following [1] : > > 1) stop the joining node > 2) make sure that the other nodes no longer see it joining > 3) wipe the joining node's data directory > 4) verify cluster name is correct in cassandra.yaml, and matches the other > nodes > 5) re-join the node > > What version of Cassandra? > > =Rob > [1] Which, jeesh, I should put into a "dealing with failed bootstrap" blog > post one of these days...