linux-kernel - Re: ATA 4 KiB sector issues.

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Message-ID: <87f94c371003141956t6115f45bga5ec1e6d76b1ea40@mail.gmail.com>
Date:	Sun, 14 Mar 2010 22:56:07 -0400
From:	Greg Freemyer <greg.freemyer@...il.com>
To:	Denys Vlasenko <vda.linux@...glemail.com>
Cc:	"H. Peter Anvin" <hpa@...or.com>, Arnd Bergmann <arnd@...db.de>,
	Tejun Heo <tj@...nel.org>,
	"linux-ide@...r.kernel.org" <linux-ide@...r.kernel.org>,
	lkml <linux-kernel@...r.kernel.org>,
	Daniel Taylor <Daniel.Taylor@....com>,
	Jeff Garzik <jeff@...zik.org>, Mark Lord <kernel@...savvy.com>,
	tytso@....edu, hirofumi@...l.parknet.co.jp,
	Andrew Morton <akpm@...ux-foundation.org>,
	Alan Cox <alan@...rguk.ukuu.org.uk>, irtiger@...il.com,
	Matthew Wilcox <matthew@....cx>, aschnell@...e.de,
	knikanth@...e.de, jdelvare@...e.de
Subject: Re: ATA 4 KiB sector issues.

> I just played with ubuntu installation on an usb stick.
> Yes, it works. Soft of. Write performance is abysmal.
> I would pay x2 or x3 for the same sized stick if it
> would perform better.

In general USB sticks don't offer the same performance as SSDs.

You can find sticks with both USB and eSata.  I'd hope those offer
better performance.

You should read some performance reviews.  I'm sure you can find a few
sticks that are much better than what you get from a vanilla usb
stick.

Greg
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