From: Douglas Gilbert <dougg@torque.net>
To: linux-scsi@vger.kernel.org
Cc: mlord@pobox.com
Subject: hdparm 7.3 supports SAT
Date: Thu, 10 May 2007 17:55:32 -0400 [thread overview]
Message-ID: <464394D4.10503@torque.net> (raw)
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
reply other threads:[~2007-05-10 21:58 UTC|newest]
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