Hi Jeremy,

since I'm also out of ideas right now (something *is* wrong with the list 
of cluster nodes in Graylog2 but finding the culprit will probably take 
some time…) reinstalling the Graylog2 server might just be the easier way 
of resolving this. :(

Am Freitag, 7. November 2014 15:26:54 UTC+1 schrieb Jeremy Farr:
>
> I can install from the repos for ease of future release install and just 
> simply "attach" the new Graylog2 instance to my mongo db and my 
> elasticsearch cluster.
>

I'm afraid this wouldn't solve the problems. Graylog2 doesn't store data 
outside of MongoDB and Elasticsearch and I suspect some rogue document in 
MongoDB to cause these errors in your installation.

 

> I'll have to use Graylog2 0.90.3 as my elasticsearch cluster is still 
> version 0.90.x.  Is there a "best practice" to this?  Does the node id on 
> the replacement install need to be the same as the legacy Graylog2 server 
> instance?
>

The node ID is used to determine which inputs have been started (or should 
be started) on a particular cluster node among other things. It doesn't 
have to be the same on the new Graylog2 node but you will have to re-create 
the inputs (and their extractors) if it's not the same.


Cheers,
Jochen

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