Nuvo - i had the same issue with my 2tb hd . i used xboxhdm 1.9 orginially then what i ended up doing was format my harddrive with xbpartitioner 1.0 32 clusters first then reformatting with xbpartitioner 1.1 64 clusters . but for some reseaon it still didnt work correctly so, i what i ended up doing was reformat with xbpartitioner 1.0 32 clusters and again reformat with xbpartitioner 1.1 64 clusters *BUT* this time i dropped each drive down a 1gb to partition in 1.1 and it works perfect now. it seems that in order to partition correctly you have to drop a it down a 1 gb but you can repartion again going up a 1gb in each drive so you don't lose 1gb. I have about 300 xbox games on my hard drive and all the emulators and i haven't have any issues with any games or emiulators and my hard drive is a 2tb. also with 2tb people You might have to partition with xbpartitioner 1.0 because 1.1 might freeze when you load it up but then repartition with 1.1 with 64 clusters. drop each drive down a 1gb to partition in 1.1 but once partition you can put back the 1gb to each drive and repartition with 1.1.