From: Jeff Garzik <jeff@garzik.org>
To: Michael Tokarev <mjt@tls.msk.ru>
Cc: Linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: Vendor field with USB, [SP]ATA etc-attached disks
Date: Mon, 11 Sep 2006 15:34:03 -0400 [thread overview]
Message-ID: <4505BA2B.1020105@garzik.org> (raw)
In-Reply-To: <4505A612.8070603@tls.msk.ru>
Michael Tokarev wrote:
> With current SATA, PATA and at least some USB disks,
> Linux reports Vendor: $subsystem, instead of the actual
> vendor of the drive, like this:
>
> scsi1 : ata_piix
> Vendor: ATA Model: ST3808110AS Rev: n/a
> Type: Direct-Access ANSI SCSI revision: 05
>
> This should be Vendor: Seagate, not ATA (Note also the lack
> of "Revision" field). The same for PATA disk:
>
> scsi0 : pata_via
> Vendor: ATA Model: ST3120026A Rev: 3.76
> Type: Direct-Access ANSI SCSI revision: 05
>
> The same is shown in /sys/block/$DEV/device/vendor.
>
> Can it be changed to show real vendor, instead of the subsystem name?
No. Two reasons:
* ATA doesn't export the vendor separate from the model, and in some
cases (Seagate) it isn't present at all, anywhere.
* "ATA" vendor string is the standardized value to put in that field,
according to the SCSI T10 specifications.
Jeff
next prev parent reply other threads:[~2006-09-11 19:34 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-09-11 18:08 Vendor field with USB, [SP]ATA etc-attached disks Michael Tokarev
2006-09-11 19:34 ` Jeff Garzik [this message]
2006-09-12 12:42 ` Tejun Heo
2006-09-13 1:22 ` Jeff Garzik
2006-09-13 1:28 ` Tejun Heo
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