# How to update a elasticsearch cluster to new version when some field is not stored

**URL:** <https://discuss.elastic.co/t/how-to-update-a-elasticsearch-cluster-to-new-version-when-some-field-is-not-stored/230452>\
**Category:** Elasticsearch\
**Created:** [April 30, 2020, 12:05am UTC](https://discuss.elastic.co/t/how-to-update-a-elasticsearch-cluster-to-new-version-when-some-field-is-not-stored/230452 "2020-04-30T00:05:34Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Deng](https://avatars.discourse-cdn.com/v4/letter/d/9fc29f/32.png) [@Deng](https://discuss.elastic.co/u/Deng)\
**Post date:** [April 30, 2020, 12:05am UTC](https://discuss.elastic.co/t/how-to-update-a-elasticsearch-cluster-to-new-version-when-some-field-is-not-stored/230452/1 "2020-04-30T00:05:34Z")

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As the document said： If you have indices created in 5.x or before, you must reindex or delete them before upgrading to 7.6.2.

I have indices when some field have excluded from "\_source" because these field are just index for datas outside the es cluster。 When updating, is these any thing I can do to just updating these indices in place but not reading data from outside database and rebuilding these indices？

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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 28, 2020, 12:05am UTC](https://discuss.elastic.co/t/how-to-update-a-elasticsearch-cluster-to-new-version-when-some-field-is-not-stored/230452/2 "2020-05-28T00:05:34Z")

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Closed on May 28, 2020, 12:05am UTC

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