This procedure describes how to add a USB device without vold running.
If needed, see How to Prepare to Use USB Mass Storage Devices Without vold Running for information on disabling vold.
Connect the USB mass storage device.
Verify that the USB device has been added.
Locate the USB disk device links, which may be among device links of non-USB storage devices, as follows:
$ cd /dev/rdsk $ ls -l c*0 | grep usb lrwxrwxrwx 1 root root 67 Apr 30 15:12 c1t0d0s0 -> ../../devices/pci@1f,0/pci@5/pci@0/usb@8,2/storage@1/disk@0,0:a,raw |