# Upgrade ELK from 6.3 to 7.6 **URL:** \ **Category:** Elasticsearch\ **Created:** [May 19, 2020, 10:25am UTC](https://discuss.elastic.co/t/upgrade-elk-from-6-3-to-7-6/233296 "2020-05-19T10:25:02Z")\ **Posts on this page:** 4\ **Page:** 1
**Author:** ![Burga](https://avatars.discourse-cdn.com/v4/letter/b/9d8465/32.png) [@Burga](https://discuss.elastic.co/u/Burga)\ **Post date:** [May 19, 2020, 10:25am UTC](https://discuss.elastic.co/t/upgrade-elk-from-6-3-to-7-6/233296/1 "2020-05-19T10:25:02Z")
Hi , we are planning to upgrade our ELK cluster from version 6.3 to 7.6 what are the most appropriate approach to do so 1 . without downtime 2. with downtime 3. how to do a backup of 9 nodes cluster before upgrade ? Thanks in advance. ---
**Author:** ![warkolm](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/warkolm/32/39224_2.png) [@warkolm](https://discuss.elastic.co/u/warkolm)\ **Post date:** [May 19, 2020, 10:27am UTC](https://discuss.elastic.co/t/upgrade-elk-from-6-3-to-7-6/233296/2 "2020-05-19T10:27:38Z")
[https://www.elastic.co/guide/en/elastic-stack/current/upgrading-elastic-stack.html](https://www.elastic.co/guide/en/elastic-stack/current/upgrading-elastic-stack.html) is a great place to start. And if you upgrade to 6.8 you can do a rolling upgrade to 7.X 😃 ---
**Author:** ![Burga](https://avatars.discourse-cdn.com/v4/letter/b/9d8465/32.png) [@Burga](https://discuss.elastic.co/u/Burga)\ **Post date:** [May 20, 2020, 8:18am UTC](https://discuss.elastic.co/t/upgrade-elk-from-6-3-to-7-6/233296/3 "2020-05-20T08:18:17Z")
Thank you a lot . ---
**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\ **Post date:** [June 17, 2020, 8:18am UTC](https://discuss.elastic.co/t/upgrade-elk-from-6-3-to-7-6/233296/4 "2020-06-17T08:18:18Z")
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