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From Ben Bromhead <>
Subject Re: Any tips on how to track down why Cassandra won't cluster?
Date Wed, 03 Feb 2016 20:10:51 GMT
Check network connectivity. If you are using public addresses as the
broadcast, make sure you can telnet from one node to the other nodes public
address using the internode port.

Last time I looked into something like this, for some reason if you only
add a security group id to the allowed traffic in a security group you
still need to add public IP addresses for each node in a security groups
allowed inbound traffic as well.

On Wed, 3 Feb 2016 at 11:49 Richard L. Burton III <>

> I'm deploying 2 nodes at the moment using cassandra-dse on Amazon. I
> configured it to use EC2Snitch and configured rackdc to use us-east with
> rack "1".
> The second node points to the first node as the seed e.g., "seeds":
> ["54.*.*.*"] and all of the ports are open.
> Any suggestions on how to track down what might trigger this problem? I'm
> not receiving any exceptions.
> --
> -Richard L. Burton III
> @rburton
Ben Bromhead
CTO | Instaclustr
+1 650 284 9692

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