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Date:      Mon, 29 Jun 2009 12:55:56 +0200
From:      Ulrich =?utf-8?B?U3DDtnJsZWlu?= <uqs@spoerlein.net>
To:        Scott Long <scottl@samsco.org>
Cc:        Alexander Motin <mav@freebsd.org>, freebsd-current@freebsd.org
Subject:   Re: RFC: ATA to CAM integration patch
Message-ID:  <20090629105556.GB72094@acme.spoerlein.net>
In-Reply-To: <4A465F8C.4030901@samsco.org>
References:  <4A4517BE.9040504@FreeBSD.org> <200906271419.49329.pieter@degoeje.nl> <4A464EED.3070700@FreeBSD.org> <4A465F8C.4030901@samsco.org>

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On Sat, 27.06.2009 at 12:06:04 -0600, Scott Long wrote:
> Alexander Motin wrote:
> > This is not a problem. ATA disks does not have SCSI INQUIRY command. 
> > They use own IDENTIFY instead. inquiry should work for ATAPI devices, as 
> > they are SCSI deep inside.
> 
> This is really the big missing piece in camcontrol; we need to add
> support for getting the IDENT info and getting/setting various
> attributes, as well as sending ATA commands over passthrough.

Hi Scott,

not sure if this is related, but I always wondered why tools like
smartctl never work with USB attached ATA disks. Is it missing support
in our drivers and smartctl or is it simply impossible?

Cheers,
Ulrich Spörlein
-- 
http://www.dubistterrorist.de/



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