You can petty easily point Lidarr to an alternate cache server. Either use the docker images they provide (link below) or of you already have Lidarr with plugins setup, you can do it that way (also explained in the link below)

https://github.com/blampe/hearring-aid?tab=readme-ov-file#-docker-images

Oh, the way it’s worded I thought you were calling it a neat filter that already existed.

I agree though. Would be a great filter.

I don’t see a filter for drive bays. I’m on mobile so maybe that’s why?