# CCR - Follow multiple leader indexes with same mapping

**URL:** https://discuss.elastic.co/t/ccr-follow-multiple-leader-indexes-with-same-mapping/206839
**Category:** Elasticsearch
**Tags:** ccr-cross-cluster-replication
**Created:** [November 6, 2019, 4:47pm UTC](https://discuss.elastic.co/t/ccr-follow-multiple-leader-indexes-with-same-mapping/206839 "2019-11-06T16:47:14Z")
**Posts on this page:** 3
**Page:** 1

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### Author: ![JakeSvajdlenka](https://avatars.discourse-cdn.com/v4/letter/j/4bbf92/32.png) [@JakeSvajdlenka](https://discuss.elastic.co/u/JakeSvajdlenka)
#### Post date: [November 6, 2019, 4:47pm UTC](https://discuss.elastic.co/t/ccr-follow-multiple-leader-indexes-with-same-mapping/206839/1 "2019-11-06T16:47:14Z")

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Currently, follower indexes can only follow one leader index. Will it ever be possible for a follower index to follow multiple leader indexes (if the leader indexes have identical mappings/settings)? or will there ever be a solution for an active fail-over scenario?

With our use-case being for an active fail-over setup, we're leveraging a Bi-Directional approach to accomplish what we're needing, but it isn't ideal. We currently have two data centers we can input data from (we have a main campus that acts as a primary and we switch services to run out of the other campus during major maintenance to avoid downtime) and we'd like to be able to have a data center hosted in Azure (for foreign web sites and to help with latency) that will be read-only and collect data that was input from either input campus

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### Author: ![jasontedor](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/jasontedor/32/66992_2.png) [@jasontedor](https://discuss.elastic.co/u/jasontedor)
#### Post date: [November 16, 2019, 1:11am UTC](https://discuss.elastic.co/t/ccr-follow-multiple-leader-indexes-with-same-mapping/206839/2 "2019-11-16T01:11:47Z")

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> [@JakeSvajdlenka](#):
>
> Will it ever be possible for a follower index to follow multiple leader indexes (if the leader indexes have identical mappings/settings)?

This is not on the roadmap, and I do not expect that it will be. It would require a fundamental re-architecture of our entire indexing/replication stack.

> [@JakeSvajdlenka](#):
>
> We currently have two data centers we can input data from (we have a main campus that acts as a primary and we switch services to run out of the other campus during major maintenance to avoid downtime) and we'd like to be able to have a data center hosted in Azure (for foreign web sites and to help with latency) that will be read-only and collect data that was input from either input campus

Maybe I'm not understanding the use-case, have you considered replicating from both campuses (to separate indices) and putting an alias on top of the two 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: [December 14, 2019, 1:11am UTC](https://discuss.elastic.co/t/ccr-follow-multiple-leader-indexes-with-same-mapping/206839/3 "2019-12-14T01:11:52Z")

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