From: Jeff Garzik <jgarzik@pobox.com>
To: dougg@torque.net
Cc: Mirko Benz <mirko.benz@web.de>, linux-scsi@vger.kernel.org
Subject: Re: SATA on mptsas performance
Date: Wed, 01 Mar 2006 01:09:18 -0500 [thread overview]
Message-ID: <44053A8E.6000206@pobox.com> (raw)
In-Reply-To: <44051548.9090408@torque.net>
Douglas Gilbert wrote:
> If the SATA disk does 3 Gb/sec then yes but SATA-1 disks
> run at 1.5 Gb/sec (and don't have NCQ). When a SAS HBA
To further confuse things, "SATA-1", "SATA-2", etc. don't mean much at
all. I recommend never using these terms.
There are many disks that can do NCQ but not 3 Gb/sec, for example.
Its best just to mention the existence of features, because there is no
__technical__ definition of "SATA 2" that one can test in software.
SATA 2 is just a set of features defined by marketing.
Jeff
next prev parent reply other threads:[~2006-03-01 6:09 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-02-14 16:02 SATA on mptsas performance Moore, Eric
2006-02-15 7:52 ` Mirko Benz
2006-03-01 3:30 ` Douglas Gilbert
2006-03-01 6:09 ` Jeff Garzik [this message]
2006-03-01 8:16 ` Mirko Benz
2006-03-01 17:55 ` Asgeir Eiriksson
-- strict thread matches above, loose matches on Subject: below --
2006-03-01 16:04 Moore, Eric
2006-02-13 14:01 Mirko Benz
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