How to restrict shard and replica to specific node

Elastic Stack Elasticsearch
1

Hello? I'm newbie to Elasticsearch.

Consider there are 1 master nodes and 6 data nodes(A,B,C,D,E,F).

I'd like to put 'log_a' index's shard and replica to first three nodes(A,B,C).
I'd like to put 'lob_b' index's shard and replica to other nodes(D,E,F).

Is this scenario possible?
If it is, then how can I implement it?

I just want to allocate specific index's shard(primary and replica) and replica to specific set of nodes.

2

You can use allocation filtering to do this. However it won't distinguish between primary and replica.

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