How to stop attached USB device / send IRP_MN_REMOVE_DEVICE?

[Dag-Erling Smørgrav]

Sven Hazejager <sven-freebsd at hazejager.nl> writes:
> No, camcontrol does not support this over USB. Windows XP demonstrates
> it is technically possible, and I do not believe it is fully safe to
> disconnect the drive (even when unmounted), as the drive then is not
> able to park its heads, which it DOES do under XP.

All modern disks (since at least the early 1990s) automatically park
their heads when they lose power.  There is no need to do it in
software.

DES
-- 
Dag-Erling Smørgrav - des at des.no