@VapechiK Thanks for your replies and advice, I will work through your suggestions tomorrow when I have time, I really appreciate your response and the links I should be able to get somewhere with all that information🙂
@Shane Thank you that is all very useful to know. I am not sure if DrivePool will be suitable if all the disks are spinning up for each access but I will try and resolve the sleep issue first and then test to see how it works out with Plex.