Re: Vendor field with USB, [SP]ATA etc-attached disks

[Jeff Garzik]

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



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