I am curious, though, how any of this worked in the first place spread across three AZ's without that being set?
boradcast_address is only needed when you are going cross region (IIRC it's the EC2MultiRegionSnitch) that sets it. 

As rob said, make sure the seed list includes on of the other nodes and that the cluster_name set. 

Cheers

-----------------
Aaron Morton
New Zealand
@aaronmorton

Co-Founder & Principal Consultant
Apache Cassandra Consulting
http://www.thelastpickle.com

On 26/09/2013, at 8:12 AM, Skye Book <skye.book@gmail.com> wrote:

Thank you, both Michael and Robert for your suggestions.  I actually saw 5760, but we were running on 2.0.0, which it seems like this was fixed in.

That said, I noticed that my Chef scripts were failing to set the broadcast_address correctly, which I'm guessing is the cause of the problem, fixing that and trying a redeploy.  I am curious, though, how any of this worked in the first place spread across three AZ's without that being set?

-Skye

On Sep 25, 2013, at 3:56 PM, Robert Coli <rcoli@eventbrite.com> wrote:

On Wed, Sep 25, 2013 at 12:41 PM, Skye Book <skye.book@gmail.com> wrote:
I have a three node cluster using the EC2 Multi-Region Snitch currently operating only in US-EAST.  On having a node go down this morning, I started a new node with an identical configuration, except for the seed list, the listen address and the rpc address.  The new node comes up and creates its own cluster rather than joining the pre-existing ring.  I've tried creating a node both before ad after using `nodetool remove` for the bad node, each time with the same result.

What version of Cassandra?

This particular confusing behavior is fixed upstream, in a version you should not deploy to production yet. Take some solace, however, that you may be the last Cassandra administrator to die for a broken code path!


Does anyone have any suggestions for where to look that might put me on the right track?

It must be that your seed list is wrong in some way, or your node state is wrong. If you're trying to bootstrap a node, note that you can't bootstrap a node when it is in its own seed list.

If you have installed Cassandra via debian package, there is a possibility that your node has started before you explicitly started it. If so, it might have invalid node state.

Have you tried wiping the data directory and trying again?

What is your seed list? Are you sure the new node can reach the seeds on the network layer?

=Rob