# Shard rebalancing after adding nodes
**URL:** https://discuss.elastic.co/t/shard-rebalancing-after-adding-nodes/167770
**Category:** Elasticsearch
**Created:** [February 10, 2019, 8:25pm UTC](https://discuss.elastic.co/t/shard-rebalancing-after-adding-nodes/167770 "2019-02-10T20:25:18Z")
**Posts on this page:** 4
**Page:** 1
### Author:  [@rocknroll](https://discuss.elastic.co/u/rocknroll)
#### Post date: [February 10, 2019, 8:25pm UTC](https://discuss.elastic.co/t/shard-rebalancing-after-adding-nodes/167770/1 "2019-02-10T20:25:19Z")
So we have two data nodes and all indexes are created with 2 primary and 1 replica shard.
If we add two more data nodes to the cluster, would it be correct to assume that Elastic will rebalance the cluster so that each node holds 1 shard, ie. either a primary or a replica?
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### Author:  [@dadoonet](https://discuss.elastic.co/u/dadoonet)
#### Post date: [February 10, 2019, 8:40pm UTC](https://discuss.elastic.co/t/shard-rebalancing-after-adding-nodes/167770/2 "2019-02-10T20:40:17Z")
That looks correct
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### Author:  [@rocknroll](https://discuss.elastic.co/u/rocknroll)
#### Post date: [February 10, 2019, 8:42pm UTC](https://discuss.elastic.co/t/shard-rebalancing-after-adding-nodes/167770/3 "2019-02-10T20:42:42Z")
Wow that was fast!
Many thanks @dadoonet
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### Author:  [@system](https://discuss.elastic.co/u/system)
#### Post date: [March 10, 2019, 8:50pm UTC](https://discuss.elastic.co/t/shard-rebalancing-after-adding-nodes/167770/4 "2019-03-10T20:50:09Z")
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