# Can Replica shards be used for Disaster Recovery

**URL:** <https://discuss.elastic.co/t/can-replica-shards-be-used-for-disaster-recovery/315620>\
**Category:** Elasticsearch\
**Created:** [October 1, 2022, 3:10pm UTC](https://discuss.elastic.co/t/can-replica-shards-be-used-for-disaster-recovery/315620 "2022-10-01T15:10:35Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![hiruni.insyncit.net](https://avatars.discourse-cdn.com/v4/letter/h/c68b51/32.png) [@hiruni.insyncit.net](https://discuss.elastic.co/u/hiruni.insyncit.net)\
**Post date:** [October 1, 2022, 3:10pm UTC](https://discuss.elastic.co/t/can-replica-shards-be-used-for-disaster-recovery/315620/1 "2022-10-01T15:10:35Z")

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Hi,  
We don't have backup in our cluster.  
Can we you replicas for disaster recovery purpose..?

Elasticsearch version: 8.12

Thank you...!

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**Author:** ![leandrojmp](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/leandrojmp/32/107231_2.png) [@leandrojmp](https://discuss.elastic.co/u/leandrojmp)\
**Post date:** [October 1, 2022, 3:14pm UTC](https://discuss.elastic.co/t/can-replica-shards-be-used-for-disaster-recovery/315620/2 "2022-10-01T15:14:48Z")

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Can you give more context about what kind of disaster recovery you are thinking?

If you lose a node that has primary shards, a replica shard in another node will be promoted to primary and the cluster will try to allocate a new replica shard in a different node.

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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:** [October 29, 2022, 3:15pm UTC](https://discuss.elastic.co/t/can-replica-shards-be-used-for-disaster-recovery/315620/3 "2022-10-29T15:15:23Z")

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