# ELK high Availability

**URL:** https://discuss.elastic.co/t/elk-high-availability/126229
**Category:** Elasticsearch
**Created:** [March 30, 2018, 12:38pm UTC](https://discuss.elastic.co/t/elk-high-availability/126229 "2018-03-30T12:38:57Z")
**Posts on this page:** 5
**Page:** 1

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### Author: ![jugurtha](https://avatars.discourse-cdn.com/v4/letter/j/a3d4f5/32.png) [@jugurtha](https://discuss.elastic.co/u/jugurtha)
#### Post date: [March 30, 2018, 12:38pm UTC](https://discuss.elastic.co/t/elk-high-availability/126229/1 "2018-03-30T12:38:57Z")

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HI  
I have 3 elestic search node  
node1  
master (data center1)  
node 2  
(master+data) (data center 2)  
node 3  
master+data data center 1  
my issue is:  
if the data center 1 falls down my elastic search is down  
do you have any architecture to propose to that if i lose one my elastci search steel up ?  
i tried the same with 4 nodes but i have the same issue  
node1(master) datacenter1  
node2(master) datacenter2  
node3(master+data)datacenter1  
node4(master+data) datacenter2

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<div class="post-metadata">

### Author: ![jugurtha](https://avatars.discourse-cdn.com/v4/letter/j/a3d4f5/32.png) [@jugurtha](https://discuss.elastic.co/u/jugurtha)
#### Post date: [March 30, 2018, 12:39pm UTC](https://discuss.elastic.co/t/elk-high-availability/126229/2 "2018-03-30T12:39:21Z")

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any help please

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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: [March 30, 2018, 12:45pm UTC](https://discuss.elastic.co/t/elk-high-availability/126229/3 "2018-03-30T12:45:57Z")

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If you want to have symmetric high availability in case a full data centre goes down, you will need 3 data centres. With only 2 data centres you can never guarantee a majority of master nodes will survive.

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### Author: ![jugurtha](https://avatars.discourse-cdn.com/v4/letter/j/a3d4f5/32.png) [@jugurtha](https://discuss.elastic.co/u/jugurtha)
#### Post date: [March 30, 2018, 12:50pm UTC](https://discuss.elastic.co/t/elk-high-availability/126229/4 "2018-03-30T12:50:27Z")

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thank you for your answer 🙂

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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: [April 27, 2018, 12:50pm UTC](https://discuss.elastic.co/t/elk-high-availability/126229/5 "2018-04-27T12:50:52Z")

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