# How connect logstash to elasticsearch cluster? **URL:** \ **Category:** Logstash\ **Created:** [October 10, 2016, 7:46am UTC](https://discuss.elastic.co/t/how-connect-logstash-to-elasticsearch-cluster/62608 "2016-10-10T07:46:33Z")\ **Posts on this page:** 7\ **Page:** 1
**Author:** ![Amin1](https://avatars.discourse-cdn.com/v4/letter/a/e47c2d/32.png) [@Amin1](https://discuss.elastic.co/u/Amin1)\ **Post date:** [October 10, 2016, 7:46am UTC](https://discuss.elastic.co/t/how-connect-logstash-to-elasticsearch-cluster/62608/1 "2016-10-10T07:46:33Z")
hi i use this scale to manage my log in medium network 🙂 Source ----\>Logstash------\>Redis--------\>Logstash--------\> Elasticsearch cluster I have one Client Node, 3 Data -node, 1 master node. now i have following question : 1- in logstash output I dont know that i must set master ip or client ip ? 2- when i type this command " curl -XGET '[http://kbn:9200/\_cluster/health?pretty=true](http://kbn:9200/_cluster/health?pretty=true)' " in client node the following message appear : { "cluster\_name" : "cenlog", "status" : "green", "timed\_out" : false, "number\_of\_nodes" : 4, "number\_of\_data\_nodes" : 2, "active\_primary\_shards" : 96, "active\_shards" : 192, "relocating\_shards" : 0, "initializing\_shards" : 0, "unassigned\_shards" : 0, "delayed\_unassigned\_shards" : 0, "number\_of\_pending\_tasks" : 0, "number\_of\_in\_flight\_fetch" : 0, "task\_max\_waiting\_in\_queue\_millis" : 0, "active\_shards\_percent\_as\_number" : 100.0 } in this message i have only 2 data-node but actually I config 3 data node i would happy if help me Thanks . ---
**Author:** ![warkolm](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/warkolm/32/39224_2.png) [@warkolm](https://discuss.elastic.co/u/warkolm)\ **Post date:** [October 10, 2016, 7:47am UTC](https://discuss.elastic.co/t/how-connect-logstash-to-elasticsearch-cluster/62608/2 "2016-10-10T07:47:29Z")
1. Client nodes. 2. What does `_cat/nodes` show? ---
**Author:** ![Amin1](https://avatars.discourse-cdn.com/v4/letter/a/e47c2d/32.png) [@Amin1](https://discuss.elastic.co/u/Amin1)\ **Post date:** [October 10, 2016, 8:00am UTC](https://discuss.elastic.co/t/how-connect-logstash-to-elasticsearch-cluster/62608/3 "2016-10-10T08:00:07Z")
[root@KBN ~]# curl -XGET 'kbn:9200/\_cat/nodes' 172.24.36.24 172.24.36.24 16 38 0.00 d - es-data-01 172.24.36.25 172.24.36.25 17 39 0.16 d - es-data-02 172.24.36.21 172.24.36.21 11 97 0.00 - \* es-master-01 172.24.36.27 172.24.36.27 4 59 0.04 c - es-client-01 ---
**Author:** ![warkolm](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/warkolm/32/39224_2.png) [@warkolm](https://discuss.elastic.co/u/warkolm)\ **Post date:** [October 10, 2016, 8:05am UTC](https://discuss.elastic.co/t/how-connect-logstash-to-elasticsearch-cluster/62608/4 "2016-10-10T08:05:24Z")
Maybe your config is wrong then? It's only showing 2 data nodes. ---
**Author:** ![Amin1](https://avatars.discourse-cdn.com/v4/letter/a/e47c2d/32.png) [@Amin1](https://discuss.elastic.co/u/Amin1)\ **Post date:** [October 10, 2016, 8:14am UTC](https://discuss.elastic.co/t/how-connect-logstash-to-elasticsearch-cluster/62608/5 "2016-10-10T08:14:24Z")
no the same config as another data nodes ---
**Author:** ![Christian\_Dahlqvist](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/christian_dahlqvist/32/4617_2.png) [@Christian\_Dahlqvist](https://discuss.elastic.co/u/Christian_Dahlqvist)\ **Post date:** [October 10, 2016, 9:33am UTC](https://discuss.elastic.co/t/how-connect-logstash-to-elasticsearch-cluster/62608/6 "2016-10-10T09:33:42Z")
> [@Amin1](#): > > 172.24.36.24 172.24.36.24 16 38 0.00 d - es-data-01 > 172.24.36.25 172.24.36.25 17 39 0.16 d - es-data-02 > 172.24.36.21 172.24.36.21 11 97 0.00 - \* es-master-01 > 172.24.36.27 172.24.36.27 4 59 0.04 c - es-client-01 This shows that the cluster has 2 data nodes, 1 dedicated master mode and 1 client node. They even appear names accordingly. Check the config on the nodes. ---
**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\ **Post date:** [July 6, 2017, 4:34am UTC](https://discuss.elastic.co/t/how-connect-logstash-to-elasticsearch-cluster/62608/7 "2017-07-06T04:34:55Z")