[atacontrol detach] drive platters won't stop

Søren Schmidt sos at FreeBSD.org
Fri Sep 9 00:05:46 PDT 2005

On 09/09/2005, at 2:55, McLone wrote:

> I'd like to not "halt -p" when changing HDDs on
> regular IDE controllers. In 5.x times i used
>> atacontrol detach 1
> and i heard the sounds of stopping/parking HDD.
> Now, in betas of 6, atacontrol (which uses not number
> but ataN) detaches drive OK, but platters keep spinning

Yes, that particular behavior has not been implemented on ATA mkIII yet.

> Unplugging such a drive is bad for its health, i suppose.

Well, if you unplug a drive that hasn't had its supply and data rails  
cut by a decent enclosure made for this, you risk frying the  
electronics on the drive no matter if it spins or not.

> Another complain: i didn't change a thing in BIOS setup
> (old i815), but now inactive drives keep spinnin' forever,
> they just won't sleep. sysutils/ataidle is "broken" too :-(

The ABI changed so you need updated tools..


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