Re: Enable CONFIG_USB_SUSPEND by default or some mobile HD can't be unplugged safely

Yan Li
2009-01-03T02:24:35Z

On Fri, Jan 02, 2009 at 07:15:38PM +0100, Tino Keitel wrote:
> The issue I noticed with the WD Passport drives is that the hard disk
> won't spin down with /usr/bin/eject, which is used by HAL if the user
> ejects the device (i.e. via his desktop environment). The WD Passport
> drives need to be set into a sleep power condition. Something
> like "sg_start --pc=3 /dev/sdX" needs to be used in this case.
>
> I just checked hdparm -Y, and this works too.

STOP SCSI command spins down the drive but the device is still `on'.

The only way I found on Linux to shut down it's power is to put it
into `suspend' mode.

--
Li, Yan