Deployment Architecture

Is it possible for a search head cluster to search multiple index clusters?


 Is it possible for a search head cluster to search multiple index clusters? 

A Solo Searchhead can do so, but I'm not sure with the Searchhead Cluster. 

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Path Finder
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Yes, you can have single SH or SH-cluster searching multiple indexers and indexer clusters as well as single indexer/indexer cluster being searched by multiple SHs. Or any combination of those options.

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Yes it should be able to. You can configure multiple multisite indexers to be searchable to a SH cluster.

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