Re: IBM HDAPS things are looking up (was: Re: [Hdaps-devel] Re: [ltp] IBM HDAPS Someone interested? (Accelerometer))

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On Mon, Jul 04 2005, Lenz Grimmer wrote:
> > I'll be working on adding sysfs stuff to it tomorrow so it's generally
> > useful (at least for monitoring things - not yet for parking disk
> > heads).
> 
> Maybe there is some kind of all-purpose ATA command that instructs the
> disk drive to park the heads? Jens, could you give us a hint on how a
> userspace application would do that?

Dunno if there's something that explicitly only parks the head, the best
option is probably to issue a STANDBY_NOW command. You can test this
with hdparm -y.

Generel observation on this driver - why isn't it just contained in user
space? You need to do the monitoring and sending of ide commands from
there anyways, I don't see the point of putting it in the kernel.

-- 
Jens Axboe

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