Hi Ryan Did you ever find out if the first Mongo_uri server is used as the primary?
On Friday, 26 February 2016 08:45:33 UTC, [email protected] wrote: > > Hi, > > Thank you very much; your suggested changes to mongodb_uri worked > perfectly, and our several-node Graylog cluster is now working as expected. > > On Monday, February 22, 2016 at 5:33:52 PM UTC, Florent B wrote: >> >> Hi, >> >> You can set multiple MongoDB servers in mongodb_uri as specified in >> example config file : >> >> mongodb_uri = >> mongodb://grayloguser:secret@localhost:27017,localhost:27018,localhost:27019/graylog2 >> >> On 02/22/2016 03:39 PM, [email protected] wrote: >> >> >> Hello, >> >> We're currently implementing a setup with three-graylog servers, and >> we're having a lot of problems getting MongoDb to work correctly with >> Graylog: >> >> - In order to run a cluster of three Graylog (1.2.1) servers, you >> need to set up a MongoDB replica set. >> - 'mongodb_uri' (set in the configuration file) needs to point to the >> MongoDB replica set *primary*; (in this case we try to set it to >> "vm-0"). >> - Graylog fails with the following error if the URI does not point to >> the replica set primary (at least on initial startup): >> >> >> ERROR [CmdLineTool] Guice error (more detail on log level debug): Error >> injecting constructor, com.mongodb.CommandFailureException: { >> "serverUsed" : "vm-0:27017" , "ok" : 0.0 , "errmsg" : "not master" , >> "code" : 10107} >> >> >> >> - There is no way to specify three mongodb_uri values, and let >> Graylog 'detect' which of these is primary. >> - It is difficult to force MongoDB to set a particular VM to be >> primary reliably. >> >> This means that it is difficult to guarantee that mongodb_uri is pointing >> to the current MongoDB master. There's only two ways I know how to ensure >> Graylog' mongo_uri is pointing to the current master: >> >> - Dynamically change the Graylog configuration file to point to the >> current primary each time Graylog starts up. >> - Write scripts to try force MongoDB's to place its primary on a >> particular server. >> >> Neither of these are very good solutions, and manual setup is not an >> option (the deployment is fully automated). >> >> Is there an easier way of configuring Graylog to always point towards the >> current MongoDB replica set primary? Unfortunately, my options don't >> include upgrading to 2.0. >> >> Thanks for any help you can offer; if any clarification is needed please >> leave an email and I'll respond quickly. >> >> >> *Server Layout:* >> >> VM-0: >> >> - Graylog-Server >> - ElasticSearch >> - MongoDb >> >> >> VM-1: >> >> - Graylog-Server >> - Graylog-Web >> - ElasticSearch >> - MongoDb >> >> >> >> VM-2: >> >> - Graylog-Server >> - ElasticSearch >> - MongoDb >> >> >> *Versions:* >> >> >> - Web 1.3.3 >> - Server 1.2.2 >> >> >> >> *Graylog's MongoDb-Related Configuration:* >> >> mongodb_useauth = false >> mongodb_uri = mongodb: >> //vm-0:27017/graylog2 >> mongodb_max_connections = 100 >> mongodb_threads_allowed_to_block_multiplier = 5 >> mongodb_replica_set = vm-0:27017,vm-1: >> 27017,vm-2:27017 >> >> >> *MongoDB Configuration:* >> >> storage: >> dbPath: /var/lib/mongodb >> journal: >> enabled: true >> >> >> systemLog: >> destination: file >> logAppend: true >> path: /var/log/mongodb/mongod.log >> >> >> net: >> port: 27017 >> >> >> replication: >> replSetName: vm-replicaset-0 >> >> >> >> >> >> >> >> >> >> >> >> -- >> 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/eb939a2b-939b-4f77-8ad0-e39e9ddfcad3%40googlegroups.com?utm_medium=email&utm_source=footer> >> https://groups.google.com/d/msgid/graylog2/eb939a2b-939b-4f77-8ad0-e39e9ddfcad3%40googlegroups.com >> . >> For more options, visit https://groups.google.com/d/optout. >> >> >> -- 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/graylog2/5922087f-99ee-4e35-8dfb-7a16545bc6b8%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
