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From Cyril Auburtin <cyril.aubur...@gmail.com>
Subject Re: nodes moving spontaneously
Date Sat, 02 Jun 2012 07:25:25 GMT
There must be someone or something that triggered nodetool loadbalance or
nodetool move
Le 1 juin 2012 23:18, "Tyler Hobbs" <tyler@datastax.com> a écrit :

> OpsCenter just periodically calls describe_ring() on different nodes in
> the cluster, so that's how it's getting that information.
>
> Maybe try running nodetool ring on each node in your cluster to make sure
> they all have the same view of the ring?
>
> On Fri, Jun 1, 2012 at 4:01 PM, Curt Allred <curt@mediosystems.com> wrote:
>
>> We have a 10 node cluster (v0.7.9) split into 2 datacenters.  Three times
>> we have seen nodes move themselves to different locations in the ring.  In
>> each case, the move unbalanced the ring. In one case a node moved to the
>> opposite side of the ring.****
>>
>> ** **
>>
>> Sometime after the first spontaneous move we started using Datastax
>> OpsCenter.  The next 2 moves showed up in its event log like:****
>>
>> 5/20/2012 11:23am - Info -  Host 12.34.56.78 moved from '12345' to '54321'
>> ****
>>
>> ** **
>>
>> where '12345' and '54321' are the old and new tokens.****
>>
>> ** **
>>
>> Anyone know whats causing this?****
>>
>> ** **
>>
>
>
>
> --
> Tyler Hobbs
> DataStax <http://datastax.com/>
>
>

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