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From Eric Plowe <eric.pl...@gmail.com>
Subject Re: Cassandra communication between 2 datacenter
Date Thu, 13 Nov 2014 21:38:29 GMT
Are you sure that both DC's can communicate with each other over the
necessary ports?

On Thu, Nov 13, 2014 at 3:46 PM, Adil <adil.chabaq@gmail.com> wrote:

> yeh we started nodes one at time....my doubt is if we should configure
> alse cassandra-topology.properties or not? we leave it with default vlaues
>
> 2014-11-13 21:05 GMT+01:00 Robert Coli <rcoli@eventbrite.com>:
>
>> On Thu, Nov 13, 2014 at 10:26 AM, Adil <adil.chabaq@gmail.com> wrote:
>>
>>> Hi,
>>> we have two datacenter with those inof:
>>>
>>> Cassandra version 2.1.0
>>> DC1 with 5 nodes
>>> DC2 with 5 nodes
>>>
>>> we set the snitch to GossipingPropertyFileSnitch and in
>>> cassandra-rackdc.properties we put:
>>> in DC1:
>>> dc=DC1
>>> rack=RAC1
>>>
>>> in DC2:
>>> dc=DC2
>>> rack=RAC1
>>>
>>> and in every node's cassandra.yaml we define two seeds of DC1 and two
>>> seed of DC2.
>>>
>>
>> Do you start the nodes one at a time, and then consult nodetool ring
>> (etc.) to see if the cluster coalesces in the way you expect?
>>
>> If so, a Keyspace created in one should very quickly be created in the
>> other.
>>
>> =Rob
>> http://twitter.com/rcolidba
>>
>
>

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