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From Patrick McFadin <pmcfa...@gmail.com>
Subject Re: Change the IP of a live node
Date Thu, 16 Mar 2017 15:17:46 GMT
It also looks like you changed your topology by altering rack from r1 to
RAC1. Shouldn't effect this issue but something to get consistent.

On Thu, Mar 16, 2017 at 4:49 AM, George Sigletos <sigletos@textkernel.nl>
wrote:

> This was a network problem at our side after all which we fixed. Cassandra
> was blocking connections between 192.168.xxx <-> 10.179.xxx on port 7000
>
> On Wed, Mar 15, 2017 at 2:47 PM, Ryan Svihla <rs@foundev.pro> wrote:
>
>> I've actually changed the ip address quite a bit (gossip complains on
>> startup and happily picks up the new address),  I think this maybe easier
>> such as..can those ip addresses route to one another ?
>>
>> As in can the first node with 192.168.xx.xx hit the node with
>> 10.179.xx.xx on that interface?
>>
>> On Wed, Mar 15, 2017 at 9:37 AM, kurt greaves <kurt@instaclustr.com>
>> wrote:
>>
>>> Cassandra uses the IP address for more or less everything. It's possible
>>> to change it through some hackery however probably not a great idea. The
>>> nodes system tables will still reference the old IP which is likely your
>>> problem here.
>>>
>>> On 14 March 2017 at 18:58, George Sigletos <sigletos@textkernel.nl>
>>> wrote:
>>>
>>>> To give a complete picture, my node has actually two network
>>>> interfaces: eth0 for 192.168.xx.xx and eth1 for 10.179.xx.xx
>>>>
>>>> On Tue, Mar 14, 2017 at 7:46 PM, George Sigletos <
>>>> sigletos@textkernel.nl> wrote:
>>>>
>>>>> Hello,
>>>>>
>>>>> I am trying to change the IP of a live node (I am not replacing a dead
>>>>> one).
>>>>>
>>>>> So I stop the service on my node (not a seed node), I change the IP
>>>>> from 192.168.xx.xx to 10.179.xx.xx, and modify "listen_address" and
>>>>> "rpc_address" in the cassandra.yaml, while I also set auto_bootstrap:
>>>>> false. Then I restart but it fails to see the rest of the cluster:
>>>>>
>>>>> Datacenter: DC1
>>>>> ===============
>>>>> Status=Up/Down
>>>>> |/ State=Normal/Leaving/Joining/Moving
>>>>> --  Address        Load       Tokens  Owns    Host
>>>>> ID                               Rack
>>>>> DN  192.168.xx.xx  ?          256     ?
>>>>> 241f3002-8f89-4433-a521-4fa4b070b704  r1
>>>>> UN  10.179.xx.xx  3.45 TB    256     ?
>>>>> 3b07df3b-683b-4e2d-b307-3c48190c8f1c  RAC1
>>>>> DN  192.168.xx.xx  ?          256     ?
>>>>> 19636f1e-9417-4354-8364-6617b8d3d20b  r1
>>>>> DN  192.168.xx.xx    ?          256     ?
>>>>> 9c65c71c-f5dd-4267-af9e-a20881cf3d48  r1
>>>>> DN  192.168.xx.xx   ?          256     ?
>>>>> ee75219f-0f2c-4be0-bd6d-038315212728  r1
>>>>>
>>>>> Am I doing anything wrong? Thanks in advance
>>>>>
>>>>> Kind regards,
>>>>> George
>>>>>
>>>>
>>>>
>>>
>>
>>
>> --
>>
>> Thanks,
>> Ryan Svihla
>>
>>
>

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