# ES cluster set up issue on EC2

**URL:** <https://discuss.elastic.co/t/es-cluster-set-up-issue-on-ec2/8866>\
**Category:** Elasticsearch\
**Created:** [August 28, 2012, 3:17am UTC](https://discuss.elastic.co/t/es-cluster-set-up-issue-on-ec2/8866 "2012-08-28T03:17:11Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Hua\_Lin](https://avatars.discourse-cdn.com/v4/letter/h/e79b87/32.png) [@Hua\_Lin](https://discuss.elastic.co/u/Hua_Lin)\
**Post date:** [August 28, 2012, 3:17am UTC](https://discuss.elastic.co/t/es-cluster-set-up-issue-on-ec2/8866/1 "2012-08-28T03:17:11Z")

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Too many machines found for pinging, and most of them don't have ES  
installed.  
Tried filter with groups, but it doesn't work.  
Here is my discovery setting:  
discovery:  
type: ec2  
ec2:  
ping\_timeout: 5s  
groups: sgn2-stg-sss  
any\_group: false

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<div class="post-metadata">

**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, 3:14am UTC](https://discuss.elastic.co/t/es-cluster-set-up-issue-on-ec2/8866/2 "2017-07-06T03:14:52Z")

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