# About shards and replicas？

**URL:** <https://discuss.elastic.co/t/about-shards-and-replicas/7947>\
**Category:** Elasticsearch\
**Created:** [June 2, 2012, 12:56am UTC](https://discuss.elastic.co/t/about-shards-and-replicas/7947 "2012-06-02T00:56:38Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![1119](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/1119/32/2866_2.png) [@1119](https://discuss.elastic.co/u/1119)\
**Post date:** [June 2, 2012, 12:56am UTC](https://discuss.elastic.co/t/about-shards-and-replicas/7947/1 "2012-06-02T00:56:38Z")

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example  
user three node  
set shard=1,replicas=1

on first node build index, es replica index file to second node ,this time third node is no index file,is no work?

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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, 3:25am UTC](https://discuss.elastic.co/t/about-shards-and-replicas/7947/2 "2017-07-06T03:25:57Z")

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