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

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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
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