From mboxrd@z Thu Jan 1 00:00:00 1970 From: Douglas Gilbert Subject: hdparm 7.3 supports SAT Date: Thu, 10 May 2007 17:55:32 -0400 Message-ID: <464394D4.10503@torque.net> Reply-To: dougg@torque.net Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from pentafluge.infradead.org ([213.146.154.40]:42945 "EHLO pentafluge.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755479AbXEJV65 (ORCPT ); Thu, 10 May 2007 17:58:57 -0400 Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: linux-scsi@vger.kernel.org Cc: mlord@pobox.com Mark Lord's hdparm version 7.3 supports the SCSI to ATA Translation (SAT) pass-through. So if SAT is supported, this allows hdparm to access ATA (e.g. SATA disks) and ATAPI (e.g. cd/dvd drives) devices behind SCSI transports. Note that the SAT layer may be in the kernel (e.g. libata), in a HBA's firmware (MPT Fusion SAS HBAs) or external. Also one of those "SCSI transports" might be SATA. See http://sourceforge.net/projects/hdparm/ Both sdparm and two utilities in sg3_utils used some tortured syntax to pipe through ATA IDENTIFY (PACKET) DEVICE responses to 'hdparm --Istdin' prior to hdparm 7.x . That, in most cases, should no longer be needed. Doug Gilbert