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From: Justin Piszcz <jpiszcz@lucidpixels.com>
To: Holger Kiehl <Holger.Kiehl@dwd.de>
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: Thu, 29 May 2008 08:06:24 -0400 (EDT)	[thread overview]
Message-ID: <alpine.DEB.1.10.0805290805500.17643@p34.internal.lan> (raw)
In-Reply-To: <Pine.LNX.4.64.0805290636020.20192@diagnostix.dwd.de>



On Thu, 29 May 2008, Holger Kiehl wrote:

> On Wed, 28 May 2008, Justin Piszcz wrote:
>
>> Hardware:
>> 
>> Results:
>> 
>> http://home.comcast.net/~jpiszcz/raid/20080528/raid-levels.html
>> http://home.comcast.net/~jpiszcz/raid/20080528/raid-levels.txt
>> 
> Why is the Sequential Output (Block) for raid6 165719 and for raid5 only
> 86797? I would have thought that raid6 was always a bit slower in writting
> due to having to write double amount of parity data.
>
> Holger
>

I will re-run the RAID5 test and also run the test on a single disk and 
update the results later.

Justin.

  reply	other threads:[~2008-05-29 12:06 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
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 [this message]
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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