help with HDD mounting

[Koubashii_Rai]

i have a 1tb screenplay director power hdd which i have all my movies and shows stored on the problem is it functions with 2 partitions the main one and a second called update_img everytime i start up xbian the order the partions boot is different and i want to set up a library is there a way to get the hdd to always mount in the same order or would i be better to just add a second level of paths to the library which with my experience on xbmc would double up all the videos in my library help please