InsecureSpike
Participant
Post count: 571

you cold see if either of these help

Power 2.5″ Hard Drive with Raspberry Pi 2 and B+

there maybe something in those that could help! i would try the max_usb_current=1 method first
i have a wd elements with my file system on and no external power, and alls good!

moving file system to usb/hdd
http://www.raspberrypi.org/forums/viewtopic.php?f=29&t=44177&hilit=move+root+fs+usb+tutorial&sid=2503f9ffe9afaa2edb49aef4537a862a