I am currently using a Raspberry Pi2, and a corsair voyager air 2.
The Corsair device is a 1TB HD connected via USB3.0 cable, and comes with it's own battery power.
Plugging in the device, turning it off/on, switching USB ports.. nothing shows up. Could it be that I cannot run the Voyager Air 2 off battery when utilizing USB?? only with it's wifi connector? that sounds like a flaw.
all I see is my Wifi dongle,
Bus 001 Device 002: ID 0424:9514 Standard Microsystems Corp.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 003: ID 0424:ec00 Standard Microsystems Corp.
Bus 001 Device 004: ID 7392:7811 Edimax Technology Co., Ltd EW-7811Un 802.11n Wireless Adapter [Realtek RTL8188CUS]