From: "Jens Bäckman" <jens.backman@gmail.com>
To: "Justin Piszcz" <jpiszcz@lucidpixels.com>
Cc: linux-kernel@vger.kernel.org, linux-raid@vger.kernel.org,
xfs@oss.sgi.com
Subject: Re: Performance Characteristics of All Linux RAIDs (mdadm/bonnie++)
Date: Wed, 28 May 2008 18:34:00 +0200 [thread overview]
Message-ID: <95711f160805280934y77ed7d91tec5aeb531bf8013c@mail.gmail.com> (raw)
In-Reply-To: <alpine.DEB.1.10.0805280442330.4527@p34.internal.lan>
On Wed, May 28, 2008 at 10:53 AM, Justin Piszcz <jpiszcz@lucidpixels.com> wrote:
> Results:
>
> http://home.comcast.net/~jpiszcz/raid/20080528/raid-levels.html
> http://home.comcast.net/~jpiszcz/raid/20080528/raid-levels.txt
Either the RAID 1 read speed must be wrong, or something is odd in the
Linux implementation. There's six drives that can be used for reading
at the same time, as they contain the very same data. 63MB/s
sequential looks like what you would get from a single drive.
next prev parent reply other threads:[~2008-05-28 16:34 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-05-28 8:53 Justin Piszcz
2008-05-28 10:54 ` Peter Rabbitson
2008-05-28 11:05 ` Justin Piszcz
2008-05-28 15:40 ` Chris Snook
2008-05-28 17:32 ` Justin Piszcz
2008-05-28 17:53 ` Justin Piszcz
2008-05-28 19:22 ` Chris Snook
2008-05-28 19:27 ` Justin Piszcz
2008-05-29 9:57 ` Kasper Sandberg
2008-05-29 21:08 ` Justin Piszcz
2008-05-28 16:34 ` Jens Bäckman [this message]
2008-05-28 16:40 ` Chris Snook
2008-05-28 16:46 ` Bryan Mesich
2008-05-28 17:33 ` Justin Piszcz
2008-05-28 18:57 ` Alan Cox
2008-05-28 23:00 ` Bill Davidsen
2008-05-29 11:22 ` Alan Cox
2008-05-30 12:22 ` Bill Davidsen
2008-05-28 19:02 ` Keld Jørn Simonsen
2008-05-28 19:05 ` Justin Piszcz
2008-05-28 23:09 ` Bill Davidsen
2008-05-29 6:37 ` Michal Soltys
2008-05-29 6:44 ` Holger Kiehl
2008-05-29 12:06 ` Justin Piszcz
2008-05-29 17:02 ` Justin Piszcz
2008-05-30 12:55 ` Bill Davidsen
2008-05-30 14:23 ` Keld Jørn Simonsen
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