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From: Jeff Garzik <jeff@garzik.org>
Date: Fri, 15 Jun 2007 17:50:50 -0400

> FWIW that's why libata followed the path it did:  faking SCSI required 
> the least amount of code for the maximal amount of existing storage 
> driver and platform installer support.
> 
> Well, that and the fact that ATAPI is really SCSI, but that's offtopic 
> for this thread.  :)

Yep I absolutely understand that, and for my case as well it's
nearly always SCSI underneath that's why you can send SCSI
commands passthru to the virtual disk server if you like.