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From: Lenz Grimmer <lenz@grimmer.com>
To: Jens Axboe <axboe@suse.de>
Cc: Arjan van de Ven <arjan@infradead.org>,
	Alejandro Bonilla <abonilla@linuxwireless.org>,
	Jesper Juhl <jesper.juhl@gmail.com>, Dave Hansen <dave@sr71.net>,
	hdaps-devel@lists.sourceforge.net,
	LKML List <linux-kernel@vger.kernel.org>
Subject: Re: IBM HDAPS things are looking up (was: Re: [Hdaps-devel] Re: [ltp] IBM HDAPS Someone interested? (Accelerometer))
Date: Mon, 04 Jul 2005 12:33:23 +0200	[thread overview]
Message-ID: <42C91073.80900@grimmer.com> (raw)
In-Reply-To: <20050704073031.GI1444@suse.de>

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Hi,

Jens Axboe wrote:

> It isn't too pretty to rely on such unreliable timing anyways. I'm 
> not too crazy about spinning the disk down either, it's useless wear 
> compared to just parking the head.

Fully agreed, and that's the approach the IBM Windows driver seems to
take - you just hear the disk park its head when the sensor kicks in
(you can hear it) - the disk does not spin down when this happens.

Could this be some reserved ATA command that only works with certain#
drives?

Bye,
	LenZ
- --
- ------------------------------------------------------------------
 Lenz Grimmer <lenz@grimmer.com>                             -o)
 [ICQ: 160767607 | Jabber: LenZGr@jabber.org]                /\\
 http://www.lenzg.org/                                       V_V
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  reply	other threads:[~2005-07-04 10:33 UTC|newest]

Thread overview: 68+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-07-04  1:32 IBM HDAPS things are looking up (was: Re: [Hdaps-devel] Re: [ltp] IBM HDAPS Someone interested? (Accelerometer)) Jesper Juhl
2005-07-04  2:12 ` Alejandro Bonilla
2005-07-04  6:00 ` Lenz Grimmer
2005-07-04  6:17   ` Jens Axboe
2005-07-04  5:30     ` Alejandro Bonilla
2005-07-04  6:37       ` Jens Axboe
2005-07-04  7:16         ` Arjan van de Ven
2005-07-04  7:22           ` Jens Axboe
2005-07-04  7:27             ` Arjan van de Ven
2005-07-04  7:30               ` Jens Axboe
2005-07-04 10:33                 ` Lenz Grimmer [this message]
2005-07-04 11:06                   ` Jens Axboe
2005-07-04 13:18                     ` IBM HDAPS things are looking up Lenz Grimmer
2005-07-04 13:25                       ` Jens Axboe
2005-07-04 14:32                         ` [Hdaps-devel] " Shawn Starr
2005-07-07  8:03                     ` IBM HDAPS things are looking up (was: Re: [Hdaps-devel] Re: [ltp] IBM HDAPS Someone interested? (Accelerometer)) Jens Axboe
2005-07-07  8:41                       ` Head parking (was: IBM HDAPS things are looking up) Lenz Grimmer
2005-07-07  8:48                         ` Jens Axboe
2005-07-07 10:17                           ` [Hdaps-devel] " Lenz Grimmer
2005-07-07 15:06                           ` Shawn Starr
2005-07-07  9:07                         ` Pekka Enberg
2005-07-07 11:44                           ` Jens Axboe
2005-07-07 13:28                             ` Pekka Enberg
2005-07-07 14:28                       ` IBM HDAPS things are looking up (was: Re: [Hdaps-devel] Re: [ltp] IBM HDAPS Someone interested? (Accelerometer)) Shawn Starr
2005-07-07 14:37                         ` Alejandro Bonilla
2005-07-07 15:06                           ` Jens Axboe
2005-07-07 20:43                           ` Folkert van Heusden
2005-07-07 15:05                         ` Jens Axboe
2005-07-07 23:00                           ` Jon Escombe
2005-07-07 23:31                             ` Alejandro Bonilla
2005-07-08  6:31                             ` Jens Axboe
2005-07-08 18:32                               ` Shawn Starr
2005-07-07 15:03                       ` Shawn Starr
2005-07-07 17:02                       ` Clemens Koller
2005-07-07 17:15                         ` Alejandro Bonilla
2005-07-07 17:34                           ` Jens Axboe
2005-07-07 17:49                             ` Matthew Garrett
2005-07-07 18:52                               ` Jens Axboe
2005-07-07 17:27                         ` Jens Axboe
2005-07-07 17:38                           ` Dave Hansen
2005-07-07 18:01                             ` Lee Revell
2005-07-07 18:03                               ` Dave Hansen
2005-07-07 18:48                             ` Jens Axboe
2005-07-04 13:03             ` Pavel Machek
2005-07-04 20:30               ` IBM HDAPS things are looking up Lenz Grimmer
2005-07-04 22:12                 ` Pavel Machek
2005-07-04 21:08               ` IBM HDAPS things are looking up (was: Re: [Hdaps-devel] Re: [ltp] IBM HDAPS Someone interested? (Accelerometer)) Alejandro Bonilla
2005-07-05  7:14                 ` Jens Axboe
2005-07-05 12:29                   ` Alejandro Bonilla
2005-07-05 15:41                     ` Sander
2005-07-05 15:52                       ` Alejandro Bonilla
2005-07-05 15:45                     ` Lee Revell
2005-07-04 10:28     ` Lenz Grimmer
2005-07-04 14:27     ` Shawn Starr
2005-07-04 14:46       ` Jens Axboe
2005-07-04 17:24         ` IBM HDAPS things are looking up Alejandro Bonilla
2005-07-04 18:36           ` dean gaudet
2005-07-05  5:13             ` Lee Revell
2005-07-04 18:40           ` Jens Axboe
2005-07-04 18:59     ` IBM HDAPS things are looking up (was: Re: [Hdaps-devel] Re: [ltp] IBM HDAPS Someone interested? (Accelerometer)) Aaron Cohen
2005-07-04 19:27       ` Lenz Grimmer
2005-07-04  8:45   ` Andrey Panin
2005-07-04 10:49 ` Pekka Enberg
2005-07-04 11:00   ` Jesper Juhl
2005-07-04 12:32 ` Pavel Machek
     [not found] <4msjB-DS-9@gated-at.bofh.it>
     [not found] ` <4mste-IL-1@gated-at.bofh.it>
     [not found]   ` <4msME-SM-9@gated-at.bofh.it>
     [not found]     ` <4msWl-Yq-5@gated-at.bofh.it>
     [not found]       ` <4mtza-1vg-15@gated-at.bofh.it>
     [not found]         ` <4mtII-1Ab-13@gated-at.bofh.it>
     [not found]           ` <4mtSm-1FA-5@gated-at.bofh.it>
     [not found]             ` <4mtSn-1FA-11@gated-at.bofh.it>
     [not found]               ` <4mwx1-3N9-25@gated-at.bofh.it>
     [not found]                 ` <4mx9A-4qm-1@gated-at.bofh.it>
     [not found]                   ` <4nzCr-6fN-19@gated-at.bofh.it>
     [not found]                     ` <4nI36-527-9@gated-at.bofh.it>
2005-07-08  0:56                       ` Bodo Eggert
2005-07-08  6:26                         ` Jens Axboe
2005-07-08  8:49                         ` Vojtech Pavlik

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