# How to create an index and push data into an elastic cluster with dedicated Master, Data and co-ordinate only nodes?

**URL:** <https://discuss.elastic.co/t/how-to-create-an-index-and-push-data-into-an-elastic-cluster-with-dedicated-master-data-and-co-ordinate-only-nodes/102231>\
**Category:** Elasticsearch\
**Created:** [September 29, 2017, 9:08am UTC](https://discuss.elastic.co/t/how-to-create-an-index-and-push-data-into-an-elastic-cluster-with-dedicated-master-data-and-co-ordinate-only-nodes/102231 "2017-09-29T09:08:06Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![iam.Carrot](https://avatars.discourse-cdn.com/v4/letter/i/a9adbd/32.png) [@iam.Carrot](https://discuss.elastic.co/u/iam.Carrot)\
**Post date:** [September 29, 2017, 9:08am UTC](https://discuss.elastic.co/t/how-to-create-an-index-and-push-data-into-an-elastic-cluster-with-dedicated-master-data-and-co-ordinate-only-nodes/102231/1 "2017-09-29T09:08:06Z")

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Hi I am using a 7 node structure. I have `3 Master nodes`, then `2 Co-ordinate only nodes` and `2 Data Nodes`.

I am wondering how do I push data into elasticsearch? I mean which node should I be hitting the curl request?

I tried each node individually, all I get is cluster\_block\_exception

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**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [October 27, 2017, 9:08am UTC](https://discuss.elastic.co/t/how-to-create-an-index-and-push-data-into-an-elastic-cluster-with-dedicated-master-data-and-co-ordinate-only-nodes/102231/2 "2017-10-27T09:08:43Z")

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Closed on October 27, 2017, 9:08am UTC

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