Hi Steven, Graylog2 0.91.1 simply isn't compatible with newer Elasticsearch versions.
You have to upgrade Graylog first. See http://docs.graylog.org/en/2.1/pages/configuration/elasticsearch.html#elasticsearch-versions for a compatibility table of Elasticsearch versions. Cheers, Jochen On Friday, 4 November 2016 17:00:31 UTC+1, Steven Cherry wrote: > > Hi All, > > Some background first. > > We're using currently using Graylog 0.91.1 in our production environments. > A while back (over a year ago) I tested later versions of Graylog in our > non-production environments. This required me to upgrade ES from 1.3.4 to > 1.7.2 in the non-production environments. As it turned out the testing > didn't go well so we decided to stay at Graylog version 0.91.1. I didn't > downgrade ES in the non-production environments as it seemed to be working > well at the later version plus, doing so would have caused data loss since > indexes created in ES version 1.7.2 are not compatible with 1.3.4. The > upgraded ES continued to perform well in non production environments so I > decided to upgrade production ES to version 1.7.2. It all went well and ES > is performing as expected. Now for the problem, I need to introduce a new > Graylog server cluster node into our production cluster. From what I can > conclude, the Graylog cluster node registers with ES upon it's first > connection as an ES client node. The new Grayloy server node is refusing to > do this as it's insisting on ES version 1.3.4 where as we are using 1.7.2. > Where as Graylog nodes introduced pre ES upgrade are fine. I'm unable to > downgrade ES without data loss. Any suggestions? > -- You received this message because you are subscribed to the Google Groups "Graylog Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/graylog2/3162d896-0356-44f7-b223-40af8bb8dd7b%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
