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Date:      Wed, 30 Sep 2009 14:10:36 +0100
From:      Bruce Cran <bruce@cran.org.uk>
To:        Robert Noland <rnoland@FreeBSD.org>
Cc:        freebsd-performance@freebsd.org, freebsd-stable@freebsd.org, Oliver Lehmann <lehmann@ans-netz.de>
Subject:   Re: SATA is to slow comparing with linux
Message-ID:  <20090930141036.0000184b@unknown>
In-Reply-To: <1254304611.2268.962.camel@balrog.2hip.net>
References:  <20090930060202.45527.qmail@avocado.salatschuessel.net> <200909301646.35019.doconnor@gsoft.com.au> <20090930075357.49914.qmail@avocado.salatschuessel.net> <1254304611.2268.962.camel@balrog.2hip.net>

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On Wed, 30 Sep 2009 04:56:51 -0500
Robert Noland <rnoland@FreeBSD.org> wrote:

> On Wed, 2009-09-30 at 09:53 +0200, Oliver Lehmann wrote:
> > Daniel O'Connor writes: 
> > 
> > > In the end I got a PCI Silicon Image 3114 based controller and it
> > > worked fine.
> > 
> > I thought about getting a controller with a SiL-Chil too because
> > they are kinda cheap and another system I intend to use with SATA
> > harddisks has no SATA on-board. But then I searched through the web
> > and read many posts telling me "stay away from Silicon Image
> > controllers" so I did as advised.... 
> > 
> > I got a Promise SATA300 TX2plus instead. I'll rune some tests with
> > later (when I'm back home ;))
> 
> I would also be curious how that ahci driver from -CURRENT is
> performing relative to other implementations.

I ran the tiobench test on -CURRENT a few days ago and the ahci driver
showed an improvement in latency over the ata driver; I didn't
test transfer rates though.

-- 
Bruce



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