i have 3 hard drives, 2 in raid (main os, gaming, and media drive). i was wondering if its possible to run defraggler to defrag all hard drives at once?
Hi Cyberpunk, and welcome to Piriform.
No. Defraggler will only defrag sequentially.
http://www.piriform.com/docs/defraggler/introducing-defraggler/what-it-can-and-can't-do