linux-kernel - Re: SATA-performance: Linux vs. FreeBSD

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Message-Id: <1171312488.4081.6.camel@nigel.suspend2.net>
Date:	Tue, 13 Feb 2007 07:34:48 +1100
From:	Nigel Cunningham <nigel@...el.suspend2.net>
To:	Alan <alan@...rguk.ukuu.org.uk>
Cc:	"Martin A. Fink" <fink@....mpg.de>,
	Andi Kleen <andi@...stfloor.org>, linux-kernel@...r.kernel.org
Subject: Re: SATA-performance: Linux vs. FreeBSD

Hi Alan et al.

On Mon, 2007-02-12 at 19:08 +0000, Alan wrote:
> I'm not sure you'll get 50MB/sec sustained to work although you might
> with a good current drive used for nothing else, a linear stream of data
> (no seeking and file system overhead), and a non PCI controller (PCI
> Express, host chipset bus etc). 

That's Suspend2's usage pattern when given a whole partition, so I can
state without reservation you can get maximum throughput under those
circumstances, even with a PCI controller. Swsusp should do about the
same too.

Nigel

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