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Date: Mon, 04 Jul 2005 00:30:32 -0500
From: Alejandro Bonilla <abonilla@linuxwireless.org>
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To: Jens Axboe <axboe@suse.de>
CC: Lenz Grimmer <lenz@grimmer.com>, Jesper Juhl <jesper.juhl@gmail.com>,
       Dave Hansen <dave@sr71.net>, Henrik Brix Andersen <brix@gentoo.org>,
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Subject: Re: IBM HDAPS things are looking up (was: Re: [Hdaps-devel] Re: [ltp]
 IBM HDAPS Someone interested? (Accelerometer))
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Jens Axboe wrote:

>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.
>  
>
This is exactly what I said. Use hdparm to make the HD park 
inmediatelly. I did send the email to the HDPARM developer, but he never 
replied. I asked him what would be the best way to make the HD park with 
no exception and then let it come back 5 or 10 seconds later.

Never heard back. ;-(

.Alejandro