You could found the explanation from here https://docs.splunk.com/Documentation/Splunk/latest/DistSearch/AboutSHC https://docs.splunk.com/Documentation/Splunk/latest/DistSearch/SHCandindexercluster If/when your SHCs have different roles then you are needing own Deployers for both, don't use the same Deployer instance if content of those SHCs are different. It's hard to give to you any detailed explanations about your environment without more knowledge of it. And as I said, basically you have too many SHC members (SHs) vs. Indexer peers. That is something which I cannot understand with your current information.
... View more