For ease of use reasons, I'm contemplating mounting several other physical HDD (my system will have 5) to the C:\ using the "mount to empty NTFS folder" option. My concern is that I won't be able to control defragmentation operations if I do this. I don't necessarily want to defrag 5 disks when I tell windows to defrag my C: drive, but if I mount them as empty NTFS folders, then I'm afraid my defrag process will be one from hell! Anybody know how this works????