# Assigning nodes to an Index
**URL:** https://discuss.elastic.co/t/assigning-nodes-to-an-index/13438
**Category:** Elasticsearch
**Created:** [September 2, 2013, 8:39pm UTC](https://discuss.elastic.co/t/assigning-nodes-to-an-index/13438 "2013-09-02T20:39:17Z")
**Posts on this page:** 3
**Page:** 1
### Author:  [@Mohit\_Anchlia](https://discuss.elastic.co/u/Mohit_Anchlia)
#### Post date: [September 2, 2013, 8:39pm UTC](https://discuss.elastic.co/t/assigning-nodes-to-an-index/13438/1 "2013-09-02T20:39:17Z")
In a large cluster is it possible to assign fewer nodes to a given Index?
So for instance I might want to create Index A on node 1,2,3 and Index B on
4,5,6 and then alias on top of it.
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### Author:  [@polyfractal](https://discuss.elastic.co/u/polyfractal)
#### Post date: [September 2, 2013, 11:07pm UTC](https://discuss.elastic.co/t/assigning-nodes-to-an-index/13438/2 "2013-09-02T23:07:43Z")
Sure, check out "Shard Allocation Filtering" on the cluster allocation
page: [Elasticsearch Platform — Find real-time answers at scale | Elastic](http://www.elasticsearch.org/guide/reference/modules/cluster/)
On Monday, September 2, 2013 4:39:17 PM UTC-4, Mo wrote:
> In a large cluster is it possible to assign fewer nodes to a given Index?
> So for instance I might want to create Index A on node 1,2,3 and Index B on
> 4,5,6 and then alias on top of it.
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### Author:  [@system](https://discuss.elastic.co/u/system)
#### Post date: [July 6, 2017, 2:18am UTC](https://discuss.elastic.co/t/assigning-nodes-to-an-index/13438/3 "2017-07-06T02:18:25Z")