# Heterogeneous storage (SSD & non-SSD) for ELK

**URL:** <https://discuss.elastic.co/t/heterogeneous-storage-ssd-non-ssd-for-elk/161588>\
**Category:** Elasticsearch\
**Created:** [December 19, 2018, 7:36pm UTC](https://discuss.elastic.co/t/heterogeneous-storage-ssd-non-ssd-for-elk/161588 "2018-12-19T19:36:20Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![pinkesh.valdria](https://avatars.discourse-cdn.com/v4/letter/p/48db29/32.png) [@pinkesh.valdria](https://discuss.elastic.co/u/pinkesh.valdria)\
**Post date:** [December 19, 2018, 7:36pm UTC](https://discuss.elastic.co/t/heterogeneous-storage-ssd-non-ssd-for-elk/161588/1 "2018-12-19T19:36:20Z")

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Hi,

Can I use a mix of SSD storage and non-SSD block storage on ELK instances and configure it to use SSD storage for task which can benefits from high IO and performance and use non-SSD for non-critical task.

eg:  
I have 50TB of NVMe SSD storage locally attached to instance and I can use upto a petabyte of network attached block storage.

If yes, are there recommendations for what should we use SSD's for?

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**Author:** ![Christian\_Dahlqvist](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/christian_dahlqvist/32/4617_2.png) [@Christian\_Dahlqvist](https://discuss.elastic.co/u/Christian_Dahlqvist)\
**Post date:** [December 19, 2018, 8:12pm UTC](https://discuss.elastic.co/t/heterogeneous-storage-ssd-non-ssd-for-elk/161588/2 "2018-12-19T20:12:20Z")

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Each node should have just one type of storage, but you can divide nodes into zones depending of which storage type they have. This is what is done in a [hot-warm architecture](https://www.elastic.co/blog/hot-warm-architecture-in-elasticsearch-5-x), which is commonly used for logging and metrics use-cases.

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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:** [January 16, 2019, 8:12pm UTC](https://discuss.elastic.co/t/heterogeneous-storage-ssd-non-ssd-for-elk/161588/3 "2019-01-16T20:12:24Z")

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