# Elasticsearch Upgrade from 2.x to 6.x

**URL:** <https://discuss.elastic.co/t/elasticsearch-upgrade-from-2-x-to-6-x/301590>\
**Category:** Elasticsearch\
**Created:** [April 5, 2022, 6:24am UTC](https://discuss.elastic.co/t/elasticsearch-upgrade-from-2-x-to-6-x/301590 "2022-04-05T06:24:33Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![veenarvg](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/veenarvg/32/103949_2.png) [@veenarvg](https://discuss.elastic.co/u/veenarvg)\
**Post date:** [April 5, 2022, 6:24am UTC](https://discuss.elastic.co/t/elasticsearch-upgrade-from-2-x-to-6-x/301590/1 "2022-04-05T06:24:33Z")

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This category relates to the [Enterprise Search](https://www.elastic.co/enterprise-search) set of products - App Search, Site Search and Workplace Search.  
If your question relates to core Elasticsearch functionality, please head over to the #elastic-stack:elasticsearch category for assistance.

Hi,  
Our enterprise has a good amount of data (multiple clusters each having min 20tb of data) on Elasticsearch 2.x which we are looking to upgrade to 6.x. Since data size is huge, looking to hear back on the best approaches/steps for the migration.  
Thanks,  
Veena G

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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:** [May 3, 2022, 6:41pm UTC](https://discuss.elastic.co/t/elasticsearch-upgrade-from-2-x-to-6-x/301590/2 "2022-05-03T18:41:44Z")

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