I have my main drive ssd running sparky linux and a second hdd drive i put OPNsense on. I want both to boot at start up but be in drive one with ability to toggle between at least until i get OPNsense set up to run at boot with no worries....any help with this is much appreciated so Thanks in advance. Im a newb at linux and building PC's so kiddy terms please...as well as instuctions...lol. Oh my system is HP drive one ssd drive two hdd 16 mem 1.5 tb combined space